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2024
Fusco, NA; Cosentino, BJ; Gibbs, JP; Allen, ML; Blumenfeld, AJ; Boettner, GH; Briggs, K; Carlen, EJ; Collins, M; Dennison, C; DiGiacopo, D; Drapeau Picard, AP; Edmonson, J; Fisher-Reid, MC; Fyffe, R; Gallo, T; Grant, A; Harbold, W; Heard, SB; Lafferty, DJR; Lehtinen, RM; Marino, S; McDonald, JE; Mortelliti, A; Murray, M; Newman, A; Oswald, KN; Ott-Conn, C; Richardson, JL; Rimbach, R; Salaman, P; Steele, M; Stothart, MR; Urban, MC; Vandegrift, K; Vanek, LP; Vanderluit, SN; Vezina, L; Caccone, A (2024): Population genomic structure of a widespread urban-adapted mammal. Molecular Ecology 33: e17230. doi: 10.1111/mec.17230
Kaiser, MI; Gadau, J; Kaiser, S; Müller, C; Richter, SH (2024): Individualized social niches in animals: Theoretical clarifications and processes of niche change. BioScience 0: biad122. doi: 10.1093/biosci/biad122
McGrosky, A; Swanson, ZS; Rimbach, R; Bethancourt, H; Ndiema, E; Nzunza, R; Braun, DR; Rosinger, AY; Pontzer, H (2024): Total daily energy expenditure and elevated water turnover in a small-scale semi-nomadic pastoralist society from northern Kenya. Annals of Human Biology 51: 2310724. doi: 10.1080/03014460.2024.2310724
Mundinger, A; Mundinger, C (2024): Artificial Intelligence in Senology - Where Do We Stand and What Are the Future Horizons? European Journal of Breast Health 20: 73-80. doi: 10.4274/ejbh.galenos.2024.2023-12-13
Pohle, J; Signer, J; Eccard, JA; Dammhahn, M; Schlägel, UE (2024): How to account for behavioral states in step-selection analysis: a model comparison. PeerJ 12: e16509. doi:10.7717/peerj.16509
Richter, SH (2024): Challenging current scientific practice: how a shift in research methodology could reduce animal use. Lab Animal 53: 9–12. doi: 10.1038/s41684-023-01308-9
Rystrom, TL; Richter, SH; Sachser, N; Kaiser, S (2024): Social niche shapes social behavior and cortisol concentrations during adolescence in female guinea pigs. Hormones and Behavior 162: 105539. doi: 10.1016/j.yhbeh.2024.105539
Schulte, L; Oswald, P; Mühlenhaupt, M; Ossendorf, E; Kruse, S; Kaiser, S; Caspers, BA (2024): Stress response of fire salamander larvae differs between habitat types. Royal Society Open Science 11: 231304. doi:10.1098/rsos.231304
von Kortzfleisch, VT; Richter, SH (2024): Systematic heterogenization revisited: Increasing variation in animal experiments to improve reproducibility?. Journal of Neuroscience Methods 401: 109992. doi: 10.1016/j.jneumeth.2023.109992
2023
Berry, PE; Dammhahn, M; Blaum, N (2023): Keeping cool on hot days: activity responses of African antelope to heat extremes. Frontiers in Ecology and Evolution 11:1172303. doi: 10.3389/fevo.2023.1172303
Best, AW; McGrosky, A; Swanson, Z; Rimbach, R; McConaughy, K; McConaughy, J; Ocobock, C; Pontzer, H (2023): Total energy expenditure and nutritional intake in continuous multi-day ultramarathon events. International Journal of Sport Nutrition and Exercise Metabolism. doi: 10.1123/ijsnem.2023-0063
Bohn, L; Bierbaum, L; Kästner, N; von Kortzfleisch, VT; Kaiser, S; Sachser, N; Richter, SH (2023): Structural enrichment for laboratory mice: exploring the effects of novelty and complexity. Frontiers in Veterinary Science 10: 1207332. doi: 10.3389/fvets.2023.1207332
Ferreira, CM; Dammhahn, M; Eccard, JA (2023): So many choices, so little time: Food preference and movement vary with the landscape of fear. Ecology and Evolution 13: e10330. doi: 10.1002/ece3.10330
Hermanussen, M; Dammhahn, M; Scheffler, C; Groth, D (2023): Winner-loser effects improve social network efficiency between competitors with equal resource holding power. Scientific Reports 13: 14439. doi: 10.1038/s41598-023-41225-y
Kaiser, S; Korte, A; Wistuba, J; Baldy, M; Wissmann, A; Dubičanac, M; Richter, SH; Sachser, N (2023): Effects of castration and sterilization on cortisol responsiveness–a case study in male guinea pigs. Frontiers in Veterinary Science 9: 2047. doi: 10.3389/fvets.2022.1093157
Makuya, L; Pillay, N; Rimbach, R; Schradin, C (2023): Suppression of the physiological stress response is not stress. Trends in Ecology and Evolution 38: 907-909. doi: 10.1016/j.tree.2023.06.007
Mundinger, C; Wolf, JM; Gogarten, JF; Fierz, M; Scheuerlein, A; Kerth, G (2023): Artificially raised roost temperatures lead to larger body sizes in wild bats. Current Biology 33: 3977-3984.e4. doi: 10.1016/j.cub.2023.08.004
Mutwill, AM; Schielzeth, H; Richter, SH; Kaiser, S; Sachser, N (2023): Conditional on the social environment? Roots of repeatability in hormone concentrations of male guinea pigs. Hormones and Behavior 155: 105423. doi: 10.1016/j.yhbeh.2023.105423
Quante, SM; Siewert, V; Palme, R; Kaiser, S; Sachser, N; Richter SH (2023): The power of a touch: Regular touchscreen training but not its termination affects hormones and behavior in mice. Frontiers in Behavioral Neuroscience 17:1112780. doi: 10.3389/fnbeh.2023.1112780
Reusch, C; Scheuerlein, A; Grosche, L; Meier, F; Gampe, J; Dammhahn, M; van Schaik, Joop; Kerth, G; (2023): The risk faced by the early bat: individual plasticity and mortality costs of the timing of spring departure after hibernation. Oikos: e09654. doi: 10.1111/oik.09654
Rimbach, R; Pontzer, H (2023): Increased physical activity is not related to markers of cardiometabolic health in two lemur species. American Journal of Primatology e23564. doi: 10.1002/ajp.23564
Rystrom, TL; Wesseler, Y; Richter, SH; Sachser, N & Kaiser, S (2023): Shaped by you: The effect of social partner on cortisol and behavior during adolescence in a female rodent. Ethology 130: e13414. doi: 10.1111/eth.13414
Schradin, C; Makuya, L; Pillay, N; Rimbach, R (2023): Harshness is not stress. Trends in Ecology and Evolution 38: 224-227. doi: 10.1016/j.tree.2023.06.007
Schüßler, D; Blanco, MB; Guthrie, NK; Sgarlata, GM; Dammhahn, M; Ernest, R; … Radespiel, U (2023): Morphological variability or inter-observer bias? A methodological toolkit to improve data quality of multi-researcher datasets for the analysis of morphological variation. American Journal of Biological Anthropology. doi: 10.1002/ajpa.24836
Segelcke, D; Linneman, J; Pradier, B; Kronenberg, D; Stange, R; Richter, SH; Görlich, D; Baldini, N; Di Pompo, G; Verri, WA Jr.; Avnet, S; Pogatzki-Zahn, EM (2023): Behavioral voluntary and social bioassays enabling identification of complex and sex-dependent pain-(-related) phenotypes in rats with bone cancer. Cancers 15: 1565. doi: https://doi.org/10.3390/cancers15051565
Stieger, B; Wesseler, Y; Kaiser, S; Sachser, N; Richter, SH (2023): Behavioral lateralization of mice varying in serotonin transporter genotype. Frontiers in Behavioral Neuroscience 16: 1095567. doi: 10.3389/fnbeh.2022.1095567
Waterkamp, C; von Kortzfleisch, VT; Neu, C; Kitanovski, S; Richter, SH; Hoffmann, D (2023): Increasing information gain in animal research by improving statistical model accuracy. Contributed to the International Workshop on Mathematical Modeling and Scientific Computing 2022, München. doi: 10.1088/1742-6596/2514/1/012021
2022
Bračić, M; Bohn, L; Siewert, V; von Kortzfleisch, VT; Schielzeth, H; Kaiser, S; Sachser, N; Richter, SH (2022): Once an optimist, always an optimist? Studying cognitive judgment bias in mice. Behavioral Ecology 33: 775-788. doi: 10.1093/beheco/arac040
Dammhahn, M; Lange, P; Eccard, JA (2022): The landscape of fear has individual layers: an experimental test of among-individual differences in perceived predation risk during foraging. Oikos 2022: e09124. doi: 10.1111/oik.09124
Eccard, JA; Ferreira, C; Pereiro Arce, A; Dammhahn, M (2022): Top-down effects of foraging decisions on local, landscape and regional biodiversity of resources (DivGUD). Ecology Letters 25: 3-16. doi: 10.1111/ele.13901
Eccard, JA; Herde, A; Schuster, A; Liesenjohann, T; Knopp, T; Heckel, G; Dammhahn, M (2022): Fitness, risk taking and spatial behaviour covary with animal personality in experimental vole populations. Ecology & Evolution 12: e8521. doi: 10.1002/ece3.8521
Feige-Diller, J; Herrera-Rivero, M; Witten, A; Stoll, M; Kaiser, S; Richter, SH; Sachser, N (2022): The impact of varying food availability on gene expression in the liver: Testing the Match-Mismatch hypothesis. Frontiers in Nutrition 9: 910762. doi: 10.3389/fnut.2022.910762
Ferreira, CM; Dammhahn, M; Eccard, JA (2022): Forager-mediated cascading effects on food resource species diversity. Ecology & Evolution 12: e9523. doi: 10.1002/ece3.9523
Gharnit, E; Dammhahn, M; Garant, D; Réale, D (2022): Ecological and behavioural determinants of individual diet specialization. American Naturalist 200: 1-16. doi: 10.5061/dryad.0rxwdbs2c
Herrera-Rivero, M; Bohn, L; Witten, A; Jüngling, K; Kaiser, S; Richter, SH; Stoll, M; Sachser, N (2022): Transcriptional profiles in the mouse amygdala after a cognitive judgment bias test largely depend on the genotype. Frontiers in Molecular Neuroscience. doi: 10.3389/fnmol.2022.1025389
Jaric, I; Voelkl, B; Clerc, M; Schmid, MW; Novak, J; Rosso, M; Rufener, R; von Kortzfleisch, VT; Richter, SH; Buettner, M; Bleich, A; Amrein, I; Wolfer, DP; Touma, C; Sunagawa, S; Würbel, H (2022): The rearing environment persistently modulates mouse phenotypes from the molecular to the behavioural level. PLoS Biology 20 (10): e3001837. doi: 10.1371/journal.pbio.3001837
Kappeler, PM; Benhaiem, S; Fichtel, C; Fromhage, L; Höner, OP; Jennions, MD; Kaiser, S; Krüger, O; Schneider, JM; Tuni, C; van Schaik, J; Goymann, W (2022): Sex roles and sex ratios in animals. Biological Reviews. doi: 10.1111/brv.12915
Lilie, ND; Riyahi, S; Kalinowski, A; Salazar, SM; Kaiser, S; Schmoll, T; Korsten, P (2022): Male social niche conformance? Effects of manipulated opportunity for extra-pair mating on behavior and hormones of male zebra finches. Hormones and Behavior 146: 105243. doi: 10.1016/j.yhbeh.2022.105243
Milles, A; Dammhahn, M; Schlägel, U; Jeltsch, F; Grimm, V (2022): Fluctuations in density-dependent selection drive the evolution of a pace-of-life-syndrome in populations. American Naturalist 199: E124-E139. doi: 10.1086/718473
Nagel, R; Kaiser, S; Stainfield, C; Toscani, C; Fox-Clarke, C; Paijmans, AJ; Costa Castro, C; Vendrami, DLJ; Forcada, J; Hoffman, JI (2022): Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped. Ecology and Evolution 12: e8757. doi: 10.1002/ece3.8757
Rystrom, TL; Prawitt, RC; Richter, SH; Sachser, N; Kaiser, S (2022): Repeatability of endocrine traits and dominance rank in female guinea pigs. Frontiers in Zoology 19: 4. doi: 10.1186/s12983-021-00449-2
Stieger, B; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2022): When left is right: The effects of paw preference training on behaviour in mice. Behavioural Brain Research 430: 113929. doi: 10.1016/j.bbr.2022.113929
Stiegler, J; Lins, A; Dammhahn, M; Kramer-Schadt, S; Ortmann, S; Blaum, N (2022): Personality drives activity and space use in a mammalian herbivore. Movement Ecology 10: 33. doi: 10.1186/s40462-022-00333-6
von Kortzfleisch, VT; Ambrée, O; Karp, NA; Meyer, N; Novak, J; Palme, R; Rosso, M; Touma, C; Würbel, H; Kaiser, S; Sachser, N; Richter, SH (2022): Do multiple experimenters improve the reproducibility of animal studies? PLOS Biology 20(5): e3001564. doi: 10.1371/journal.pbio.3001564
2021
Alexander, R; Aragon, OR; Bookwala, J; Cherbuin, N; Gatt, JM; Kahrilas, IJ; Kästner, N; Lawrence, A; Lowe, L; Morrison, RG; Mueller, SC; Nusslock, R; Papadelis, C; Polnaszek, KL; Richter, SH; Silton, RL; Styliadis, C (2021): The neuroscience of positive emotions and affect: Implications for cultivating happiness and wellbeing. Neuroscience and Biobehavioral Reviews 121: 220–249. doi: 10.1016/j.neubiorev.2020.12.002
Bodden, C; Wewer, M; Kästner, N; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2021): Not all mice are alike: Mixed-strain housing alters social behaviour. Physiology & Behavior 228: 113220. doi: 10.1016/j.physbeh.2020.113220
Desjardins, E; Kurtz, J; Kranke, N; Lindeza, A; Richter, SH (2021): Beyond standardization: Improving external validity and reproducibility in experimental evolution. BioScience: biab008. doi: 10.1093/biosci/biab008
Feige-Diller, J; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2021): The impact of varying food availability on health and welfare in mice: Testing the Match-Mismatch hypothesis. Physiology & Behavior 228: 113193. doi: 10.1016/j.physbeh.2020.113193
Krakenberg, V; Wewer, M; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2021): Regular touchscreen training affects faecal corticosterone metabolites and anxiety-like behaviour in mice. Behavioural Brain Research 401: 113080. doi: 10.1016/j.bbr.2020.113080
Melotti, L; Siestrup; S; Peng, M; Vitali, V; Dowling, D; von Kortzfleisch, VT; Bračić, M; Sachser N; Kaiser S; Richter SH (2021): Individuality, as well as genetic background, affects syntactical features of courtship songs in male mice. Animal Behaviour 180: 179–196. doi: 10.1016/j.anbehav.2021.08.003
Mutwill, AM; Schielzeth, H; Zimmermann, TD; Richter, SH; Kaiser, S; Sachser, N (2021): Individuality meets plasticity: Endocrine phenotypes across male dominance rank acquisition in guinea pigs living in a complex social environment. Hormones and Behavior 131: 104967. doi: 10.1016/J.YHBEH.2021.104967
Stieger, B; Melotti, L; Quante, SM; Kaiser, S; Sachser, N; Richter, SH (2021): A step in the right direction: the effect of context, strain and sex on paw preference in mice. Animal Behaviour 174: 21-30. doi: 10.1016/j.anbehav.2021.01.012
2020
Feige-Diller, J; Krakenberg, V; Bierbaum, L; Seifert, L; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2020): The Effects of Different Feeding Routines on Welfare in Laboratory Mice. Frontiers in Veterinary Science 6: 479. doi:10.3389/fvets.2019.00479
Krakenberg, V; Siestrup, S; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2020): Effects of different social experiences on emotional state in mice. Scientific Reports 10: 1-12. doi: 10.1038/s41598-020-71994-9
Müller, C; Caspers, BA; Gadau, J; Kaiser, S (2020): The power of infochemicals in mediating individualized niches. Trends in Ecology & Evolution 35: 981-989. doi: 10.1016/j.tree.2020.07.001
Mutwill, AM; Zimmermann, TD; Hennicke, A; Richter, SH; Kaiser, S; Sachser, N (2020): Adaptive reshaping of the hormonal phenotype after social niche transition in adulthood. Proceedings of the Royal Society of London B 287: 20200667. doi: 10.1098/rspb.2020.0667
Richter, SH (2020): Automated home-cage testing as a tool to improve reproducibility of behavioral research?. Frontiers in Neuroscience 14: 383. doi: 10.3389/fnins.2020.00383
Richter, SH; von Kortzfleisch, V (2020): It is time for an empirically informed paradigm shift in animal research. Nature Reviews Neuroscience 21: 660. doi: 10.1038/s41583-020-0369-0
Sachser, N; Zimmermann, TD; Hennessy, MB; Kaiser, S (2020): Sensitive phases in the development of rodent social behavior. Current Opinion in Behavioral Sciences 36: 63–70. doi: 10.1016/j.cobeha.2020.07.014
von Kortzfleisch, VT; Karp, NA; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2020): Improving reproducibility in animal research by splitting the study population into several ‘mini-experiments’. Scientific Reports 10: 16579. doi: 10.1038/s41598-020-73503-4
2019
Bodden, C; von Kortzfleisch, V; Karwinkel, F; Kaiser, S; Sachser, N; Richter, SH (2019): Heterogenising study samples across testing time improves reproducibility of behavioural data. Scientific Reports 9: 8247.
Haaker, J; Maren, S; Andreatta, M; Merz, CJ; Richter, J; Richter, SH; Drexler Shira, S; Lange, MD; Jüngling, K; Nees, F; Seidenbecher, T; Fullana, MA; Wotjak, C; Lonsdorf, TB (2019): Making translation work: Harmonizing cross-species methodology in the behavioural neuroscience of Pavlovian fear conditioning. Neuroscience & Biobehavioral Reviews 107: 329-345.
Kästner N, Richter SH, Urbanik S, Kunert J, Waider J, Lesch KP, Kaiser S, Sachser N (2019): Brain serotonin deficiency affects female aggression. Scientific Reports 9: 1366.
Krakenberg, V; von Kortzfleisch, V; Kaiser, S; Sachser, N; Richter, SH (2019): Differential effects of serotonin transporter genotype on anxiety-like behavior and cognitive judgment bias in mice. Frontiers in Behavioral Neuroscience 13: 263.
Krakenberg, V; Woigk, I; Garcia Rodriguez, L; Kästner, N; Kaiser, S; Sachser, N; Richter, SH (2019): Technology or ecology? New tools to assess cognitive judgement bias in mice. Behavioural Brain Research 362: 279-287.
Melotti, L; Kästner, N; Eick, AK; Schnelle, AL; Palme, R; Sachser, N; Kaiser, S; Richter, SH (2019): Can live with ’em, can live without ’em: pair housed male C57BL/6J mice show low aggression and increasing sociopositive interactions with age, but can adapt to single housing if separated. Applied Animal Behaviour Science 214: 79-88.
Mutwill, AM; Zimmermann, TD; Reuland, C; Fuchs, S; Kunert, J; Richter, SH; Kaiser, S; Sachser, N (2019): High reproductive success despite queuing – Socio-sexual development of males in a complex social environment. Frontiers in Psychology 10: 2810.
Richter, SH; Hintze, S (2019): From the individual to the population – and back again? Emphasising the role of the individual in animal welfare science. Applied Animal Behaviour Science: 1-8.
von Kortzfleisch,VT; Kästner, N; Prange,L; Kaiser,S; Sachser, N; Richter, SH (2019): Have I been here before? Complex interactions of age and test experience modulate the results of behavioural tests. Behavioural Brain Research 367: 143-148.
2018
Bodden, C; Siestrup, S; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2018): Evidence-based severity assessment: Impact of repeated versus single open-field testing on welfare in C57BL/6J mice. Behavioural Brain Research 336: 261-268.
Kästner, N; Richter, SH; Bodden, C; Palme, R; Kaiser, S; Sachser, N (2018): Varying social experiences in adulthood do not differentially affect anxiety-like behavior but stress hormone levels. Frontiers in Behavioral Neurosciences: 12:72.
Kafkafi, N; Agassi, J; Chesler, EJ; Crabbe, JC; Crusio WE; Eilam, D; Gerlai, R; Golani, I; Gomez-Marin, A; Heller, R; Iraqi, F; Jaljuli, I; Karp, NA; Morgan, H; Nicholson, G; Pfaff, DW; Richter, SH; Stark, PB; Stiedl O, Stodden, V; Tarantino, LM; Tucci, V; Valdar, W; Williams, RW; Würbel, H; Benjamini, Y (2018): Reproducibility and replicability of rodent phenotyping in preclinical studies. Neuroscience & Biobehavioral Reviews 87: 218-232.
Richter, SH; Sachser, N; Kaiser, S (2018): Emotionen (Kapitel 11). In: Handbuch Tierethik by Ach JS, Borchers D (Eds), J.B. Metzler Verlag GmbH, Stuttgart, 64-69.
Sachser, N; Hennessy, MB; Kaiser S (2018): The adaptive shaping of social behavioural phenotypes during adolescence. Biol. Lett.14: DOI: 10.1098/rsbl.2018.0536.
Sachser, N; Richter, SH; Kaiser, S (2018): Artgerecht/tiergerecht (Kapitel 26). In: Handbuch Tierethik by Ach JS, Borchers D (Eds), J.B. Metzler Verlag GmbH, Stuttgart, 155-160.
Sangenstedt, S; Szardenings, C; Sachser, N; Kaiser, S (2018): Does the early social environment prepare individuals for the future? A match-mismatch experiment in female wild cavies. Frontiers in Zoology: 15:13.
2017
Bodden, C; van den Hove, D; Lesch, K-P; Sachser, N (2017): Impact of varying social experiences during life history on behaviour, gene expression, and vasopressin receptor gene methylation in mice. Scientific Reports 7:8719: doi: 10.1038/s41598-017-09292-0.
Kästner, N; Richter, SH; Gamer, M; Kaiser, S; Sachser, N (2017): What a difference a day makes - female behaviour is less predictable near ovulation. Royal Society open science DOI: 10.1098/rsos.160998.
Meyer, N; Jenikejew, J; Richter, SH; Kaiser, S; Sachser, N (2017): Social experiences during adolescence affect anxiety-like behavior but not aggressiveness in male mice. Behavioural Brain Research 326: 147-153.
Richter, SH (2017): Systematic heterogenization for better reproducibility in animal experimentation. Lab Animal NY (Nature Research Journal) 46: 343-349.
Sangenstedt, S; Jaljuli, I; Sachser, N; Kaiser, S (2017): Stress responsiveness and anxiety-like behavior: The early social environment differentially shapes stability over time in a small rodent. Hormones and Behavior 90: 90-97.
Siegeler, K; Lewejohann, L; Failing, K; Sachser, N; Kaiser, S (2017): Start early! Does social instability during the pre- and early postnatal development prepare male wild cavies for social challenge later in life? Frontiers in Zoology 14: 2.
Zimmermann, TD; Kaiser, S; Hennessy, MB; Sachser, N (2017): Adaptive shaping of the behavioural and neuroendocrine phenotype during adolescence. Proceedings of the Royal Society of London B 284: 20162784. doi: 10.1098/rspb.2016.278.
Zimmermann, TD; Kaiser, S; Sachser, N (2017): The adaptiveness of a queuing strategy shaped by social experiences during adolescence. Physiology & Behavior 181: 29-37. doi: 10.1016/j.physbeh.2017.08.02.
2016
Graulich, DM; Kaiser, S; Sachser, N; Richter, SH (2016): Looking on the bright side of bias - validation of an affective bias test for laboratory mice. Applied Animal Behaviour Science 181: 173-181.
Mallien, AS; Palme, R; Richetto, J; Muzzillo, C; Richter, SH; Vogt, MA; Inta, D; Riva, MA; Vollmayr, B; Gass, P (2016): Daily exposure to a touchscreen-paradigm and associated food restriction evokes an increase in adrenocortical and neural activity in mice. Hormones and Behavior 81: 97-105.
Meyer, N; Richter, SH; Schreiber, RS; Kloke, V; Kaiser, S; Lesch, KP; Sachser, N (2016): The Unexpected Effects of Beneficial and Adverse Social Experiences during Adolescence on Anxiety and Aggression and Their Modulation by Genotype. Front. Behav. Neurosci 10: 97.
Remmes, J; Bodden, C; Richter, SH; Lesting, J; Sachser, N; Pape, HC; Seidenbecher, T (2016): Impact of Life History on Fear Memory and Extinction. Front. Behav. Neurosci 10: 185.
Richter SH; Kästner, N; Loddenkemper, DH; Kaiser, S; Sachser, N (2016): A time to wean? Impact of weaning age on anxiety-like behaviour and stability of behavioural traits in full adulthood. PLoS ONE 11(12): e0167652.
Richter, SH; Spinello, C; Macri, S (2016): Improving external validity of experimental animal data. In: Animal Models for Human Cancer: Discovery and Development of Novel Therapeutics by Martic-Kehl MI, Schubiger PA (Eds). In: Methods and Principles in Medical Chemistry edited by R. Mannhold, H. Kubinyi, G. Folkers. Wiley-VCH, Weinheim: 41-60.
Richter, SH; Kästner, N; Kriwet, M; Kaiser, S; Sachser, N (2016): Play matters - the surprising relationship between juvenile playfulness and anxiety in later life. Animal Behaviour 114: 261-271.
2015
Bodden, C; Richter, SH; Schreiber, RS; Kloke, V; Gerss, J; Palme, R; Lesch, KP; Lewejohann, L; Kaiser, S; Sacher, N (2015): Benefits of adversity?! How life history affects the behavioral profile of mice varying in serotonin transporter genotype. Frontiers in Behavioral Neuroscience 9: 47.
Calcagnoli, F; Stubbendorff, C; Meyer, N; de Boer, SF; Althaus, M; Koolhaas, JM (2015): Oxytocin microinjected into the central amygdaloid nuclei exerts anti-aggressive effects in male rats. Neuropharmacology 90: 74-81.
Freund, J; Brandmaier, AM; Lewejohann, L; Kirste, I; Kritzler, M; Krüger, A; Sachser, N; Lindenberger, U; Kempermann, G (2015): Association between exploratory activity and social individuality in genetically identical mice living in the same enriched environment. Neuroscience.
Hennessy, MB; Kaiser, S; Tiedtke, T; Sachser, N (2015): Stability and change: Stress responses and the shaping of behavioral phenotypes over the life span. Frontiers in Zoology 12(Suppl1): 18. doi: 10.1186/1742-9994-12-S1-S18.
Hillje, AL; Beckmann, E; Pavlou, M; Jaeger, C; Pires Pacheco, M; Sauter, T; Schwamborn, JC; Lewejohann, L (2015): The neural stem cell fate determinant TRIM32 regulates complex behavioral traits. Frontiers in Cellular Neuroscience 9: 75.
Kästner, N; Richter, SH; Lesch, KP; Schreiber, RS; Kaiser, S; Sachser, N (2015): Benefits of a "vulnerability gene"? A study in serotonin transporter knockout mice. Behavioural Brain Research 283: 116-120.
Kaiser, S; Hennessy, MB; Sachser, N (2015): Domestication affects the structure, development and stability of biobehavioural profiles. Frontiers in Zoology. 12(Suppl1): 19.
Kaiser, S; Schwerdt, B; Siegeler, K; Sachser, N (2015): Social instability during pregnancy and lactation alters female wild cavy offsprings' endocrine status and behaviour later in life. Behaviour 152 (7-8): 837 - 859.
Macri, S; Richter, SH; (2015): The Snark was a Boojum - reloaded. Frontiers in Zoology 12: 20.
Sachser, N; Richter, SH (2015): Animals can tell us more. Behavioral and Brain Sciences 38: 44-45.
2014
Calcagnolia, F; Meyer, N; de Boer, SF; Althaus, M; Koolhaas,JM (2014): Chronic enhancement of brain oxytocin levels causes enduring anti-aggressive and pro-social explorative behavioral effects in male rats. Hormones an Behavior 6: 427-433.
Guenther, A; Palme, R; Dersena, M; Kaiser, S; Trillmich, F (2014): Photoperiodic effects on reproductive development in male cavies (Cavia aperea). Physiology & Behavior 123: 142-147.
Kloke, V; Schreiber, RS; Bodden, C; Moellers, J; Ruhmann, H; Kaiser, S; Lesch, KP; Sacher, N; Lewejohann, L (2014): Hope for the best or prepare for the worst? Towards a spatial cognitive bias test for mice. PLoS ONE 9(8): e105431.
Lima-Ojeda, JM; Vogt, M; Richter, SH; Dormann, C; Schneider, M; Gass, P; Inta, D (2014): Lack of protracted behavioral abnormalities following intermittent or continuous chronic mild hypoxia in perinatal C57BL/6 mice. Neuroscience Letters 577C: 77-82.
Richter, SH; Gass, P; Fuss, J (2014): Resting is rusting: Rodent wheel-running as a model of human exercise? The Neuroscientist 20(4): 313-325.
Richter, SH; Sartorius, A; Gass, P; Vollmayr, B (2014): A matter of timing: harm reduction in learned helplessness. Behavioral and Brain Functions 10: 41.
Richter, SH; Vogel, A; Ueltzhöffer, K; Muzzillo, C; Vogt, MA; Lankisch, K; Armbruster-Genc, DJ; Riva, MA; Fiebach, CJ; Gass, P; Vollmayr, B (2014): Touchscreen-paradigm for mice reveals cross-species evidence for an antagonistic relationship of cognitive flexibility and stability. Frontiers in Behavioral Neuroscience 8: 1-13.
Richter, SH; Wollmann, E; Schmidt, M; Hellweg, R; Sprengel, R; Gass, P (2014): The effects of neonatal cryoanaesthesia-induced hypothermia on adult emotional behaviour and stress markers in C57BL/6 mice. Behavioural Brain Research http://dx.doi.org/10.1016/j.bbr.2014.05.: 300-6.
Zipser, B; Schleking, A; Kaiser, S; Sachser, N (2014): : Effects of domestication on biobehavioural profiles: a comparison of domestic guinea pigs and wild cavies from early to late adolescence. Frontiers in Zoology 11:30.
2013
Freund, J; Brandmaier, AM; Lewejohann, L; Kirste, I; Kritzler, M; Krüger, A; Sachser, N; Lindenberger, U; Kempermann, G (2013): Emergence of individuality in genetically identical mice. Science 340(6133): 756-759.
Heiming, RS; Mönning, A; Jansen, F; Kloke, V; Lesch, KP; Sachser, N (2013): To attack, or not to attack? The role of serotonin transporter genotype in the display of maternal aggression. Behavioural Brain Research 242: 135-141.
Hillje, A; Pavlou, M; Beckmann, E; Worlitzer, MMA; Bahnassawy, L; Lewejohann, L; Palm, T; Schwamborn, JC (2013): TRIM32 dependent transcription in adult neural progenitor cells regulates neuronal differentiation. Cell Death and Differentiation. Cell Death and Differentiation: 4, e976.
Hohoff, C; Gorji, A; Kaiser, S; Willscher, E; Korsching, E; Ambree, O; Arolt, V; Lesch, KP; Sachser, N; Deckert, J; Lewejohann, L (2013): Effect of acute stressor and serotonin transporter genotype on amygdala first wave transcriptome in mice. PLoS ONE 8(3): e58880.
Karabeg, MM; Grauthoff, S; Kollert, S; Weidner, M; Heiming, RS; Jansen, F; Lesch, KP; Sachser, N; Schmitt, AG; Lewejohann, L (2013): 5-HTT Deficiency Affects Neuroplasticity and Increases Stress Sensitivity Resulting in Altered Spatial Learning Performance in the Morris Water Maze but Not in the Barnes Maze. PLoS ONE 8(10): e78238.
Kloke, V; Heiming, RS; Bölting, S; Kaiser, S; Lewejohann, L; Lesch, KP; Sachser, N (2013): Unexpected effects of early-life adversity and social enrichment on the anxiety profile of mice varying in serotonin transporter genotype. Behavioural Brain Research 247: 248-258.
Sachser, N; Kaiser, S; Hennessy, M (2013): Behavioural profiles are shaped by social experience: When, how and why. Philosophical Transactions of the Royal Society B 368 (1618): doi: 10.1098/rstb.2012.0344.
Sachser, N; Lesch, K-P (2013): Das Zusammenspiel von Genotyp und Umwelt bei der Entwicklung von Furcht und Angst. Neuroforum 3/13: 102-109.
Siegeler, K; Wistuba, J; Dammb, OS; von Engelhardt, N; Sachser, N; Kaiser, S (2013): Early social instability affects plasma testosterone during adolescence but does not alter reproductive capacity or measures of stress later in life. Physiology & Behavior 120: 143-149.
Würbel, H; Richter, SH; Garner, JP (2013): Reply to:. Nature Methods 10(5): 374.
Wistuba, J; Werler, S; Lewejohann, L (2013): Mouse models for the exploration of Klinefelter´s Syndrome. In: Conn, MJ (ed.): Animal Models for the Study of Human Disease.
Zipser, B; Kaiser, S; Sachser, N (2013): Dimensions of Animal Personalities in Guinea Pigs. Ethology 119: 970-982.
2012
Albert, FW; Somel, M; Carneiro, M; Aximu-Petri, A; Halbwax, M; Thalmann, O; Blanco-Aguiar, JA; Plyusnina, IZ; Trut, L; Villafuerte, R; Ferrand, N; Kaiser, S; Jensen, P; Pääbo, S (2012): A Comparison of Brain Gene Expression Levels in Domesticated and Wild Animals. PLoS Genet 8(9): e1002962.
Gross, AN; Richter, SH; Engel, AKJ; Würbel, H (2012): Cage-induced stereotypies, perseveration and the effects of environmental enrichment in laboratory mice. Behavioural Brain Research 234: 61-68.
Reefmann, N; Muehlemann, T; Wechsler, B; Gygax, L (2012): Housing induced mood modulates reactions to emotional stimuli in sheep. Applied Animal Behaviour Science 136: 146-155.
Stock, C.; Kaiser, S (2012): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Hurrelmann, K.; Razum, O. (ed.):Handbuch Gesundheitswissenschaften Juventa, Weinheim, München: 5. Aufl: 99-122.
2011
Adrian, O; Sachser, N (2011): Diversity of social and mating systems in cavies: a review. Journal of Mammalogy 92 (1): 39-53.
Engel, AK; Gross, AN; Richter, SH; Würbel, H (2011): Variation in stress reactivity affects cage-induced stereotypies in female CD-1 (ICR) mice. Applied Animal Behaviour Science 133: 101-108.
Gross, AN; Engel, AKJ; Richter, SH; Garner, JP; Würbel, H (2011): Cage-induced stereotypies in female ICR CD-1 mice do not correlate with recurrent perseveration. Behavioural Brain Research 216: 613-620.
Heiming, RS; Bodden, C; Jansen, F; Lewejohann, L; Kaiser, S; Lesch, KP; Palme, R; Sachser, N (2011): Living in a dangerous world decreases maternal care: a study in serotonin transporter knockout mice. Hormones and Behavior: 397-407.
Herring, A; Lewejohann, L; Panzer, AL; Donath, A; Kröll, O; Sachser, N; Paulus, W; Keyvani, K (2011): Preventive and therapeutic types of environmental enrichment counteract beta amyloid pathology by different molecular mechanisms. Neurobiology of Disease 42: 530-538.
Hundelt, M; Fath, T; Selle, K; Oesterwind, K; Jordan, J; Schultz, C; Götz, J; von Engelhardt, J; Monyer, H; Lewejohann, L; Sachser, N; Bakota, L; Brandt, R (2011): Altered phosphorylation but no neurodegeneration in a mouse model of tau hyperphosphorylation. Neurobiology of Aging 32: 991-1006.
Jansen, F; Heiming, RS; Kloke, V; Kaiser, S; Palme, R; Lesch, K-P; Sachser, N (2011): Away game or home match: the influence of venue and serotonin transporter genotype on the display of offensive aggression. Behavioural Brain Research 219: 291 - 301.
Kloke, V; Jansen, F; Heiming, RS; Palme, R; Lesch, K-P; Sachser, N (2011): The winner and loser effect, serotonin transporter genotype, and the display of offensive aggression. Physiology & Behaviour 103 (5): 565-574.
Lürzel, S; Kaiser, S; Krüger, C; Sachser, N (2011): Inhibiting influence of testosterone on stress responsiveness during adolescence. Hormones & Behavior 60 (5): 691-698.
Lürzel, S; Kaiser, S; Sachser, N (2011): Social interaction decreases stress responsiveness during adolescence. Psychoneuroendocrinology 36 (9): 1370-1377.
Lewejohann, L; Zipser, B; Sachser, N (2011): "Personality" in laboratory mice used for biomedical research: A way of understanding variability? Developmental Psychobiology 53: 631-640.
Muehlemann, T; Reefmann, N; Wechsler, B; Wolf, M; Gygax, L (2011): In vivo functional near-infrared spectroscopy measures mood-modulated cerebral responses to a positive emotional stimulus in sheep. NeuroImage 54: 1625-1633.
Narayanan, V; Heiming, RS; Jansen, F; Lesting, J; Sachser, N; Pape, H-C; Seidenbecher, T (2011): Social defeat: impact on fear extinction and amygdala-prefrontal cortical theta synchrony in 5-HTT deficient mice. PlosOne 6(7): e22600.
Nietzer, SL; Bonn, M; Jansen, F; Heiming, RS; Lewejohann, L; Sachser, N; Asan, ES; Lesch, KP; Schmitt, AG (2011): Serotonin transporter knockout and repeated social defeat stress: impact on neuronal morphology and plasticity in limbic brain areas. Behavioural Brain Research 220: 42-54.
Pickel, T; Schrader, L; Scholz, B (2011): Environment, well being, and behavior. Poultry Science 90: 715-724.
Richter SH (2011): Illusion der perfekten Kontrolle. Vet Journal 12/11: 46-49.
Richter, SH (2011): Illusion der perfekten Kontrolle. Bild der Wissenschaft plus: 20-23.
Richter, SH; Garner, JP; Zipser, B; Lewejohann, L; Sachser, N; Touma, C; Schindler, B; Chourbaji, S; Brandwein, C; Gass, P; van Stipdonk, N; van der Harst, J; Spruijt, B; Voikar, V; Wolfer, DP; Würbel, H (2011): Effect of population heterogenization on the reproducibility of mouse behavior: a multi-laboratory study. PLoS one 6: e16461.
Sachser, N; Hennessy, MB; Kaiser, S (2011): Adaptive modulation of behavioural profiles by social stress during early phases of life and adolescence. Neuroscience and Biobehavioral Reviews 35 (7): 1518-1533.
Siegeler, K; Sachser, N; Kaiser, S (2011): The social environment during pregnancy and lactation shapes the behavioural and hormonal profile of male offspring in wild cavies. Developmental Psychobiology 53 (6): 575-584.
2010
Heiming, RS; Sachser, N (2010): Consequences of serotonin transporter genotype and early adversity on behavioral profile - pathology or adaptation? Frontiers in Neuroscience 4: 187.
Herring, A; Blome, M; Ambrée, O; Sachser, N; Paulus, W; Keyvani, K (2010): Reduction of cerebral oxidative stress following environmental enrichment in transgenic mice with Alzheimer-like pathology. Brain Pathology 20 (1): 166-175.
Jansen, F; Heiming, RS; Lewejohann, L; Touma, C; Palme, R; Schmitt, A; Lesch, KP; Sachser, N (2010): Modulation of Behavioural Profile and Stress Response by 5-HTT Genotype and Social Experience in Adulthood. Behavioural Brain Research 207: 21-29.
Kaiser, S; Krüger, C; Sachser, N (2010): The guinea pig. In: Hubrecht, R; Kirkwood, J (eds): The care and management of laboratory and other research animals. 8th edition. Wiley-Blackwell, Chichester, UK.: 380-398.
Lürzel, S; Kaiser, S; Sachser, N (2010): Social interaction, testosterone, and stress responsiveness during adolescence. Physiology & Behavior 99 (1): 40-46.
Lewejohann, L; Kloke, V; Heiming, RS; Jansen, F; Kaiser, S; Schmitt, A; Lesch, KP; Sachser, N (2010): Social status and day-to-day behaviour of male serotonin transporter knockout mice. Behavioural Brain Research 211: 80-88.
Lewejohann, L; Pickel, T; Sachser, N; Kaiser, S (2010): Wild genius - domestic fool? Spatial learning abilities of wild and domestic guinea pigs. Frontiers in Zoology: 7-9.
Pickel, T; Scholz, B; Schrader, L (2010): Perch material and diameter affects particular perching behaviours in laying hens. Applied Animal Behaviour Science 127 (1): 37-42.
Richter, SH; Garner, JP; Auer, C; Kunert, J; Würbel, H (2010): Systematic variation improves reproducibility of animal experiments. Nature Methods 7(3): 167 - 168.
Sachser, N; Kaiser, S (2010): The social modulation of behavioural development. In: Kappeler, P. (Ed.), Animal Behavior: Evolution and Mechanisms. Springer Verlag, Berlin: 505-536.
Sachser, N; Kaiser, S (2010): Meerschweinchen als Sozialstrategen. Spektrum der Wissenschaft Januar: 56-63.
Schradin, C; Schneider, C; Lindholm, K (2010): The nasty neighbour in the striped mouse (Rhabdomys pumilio) steals paternity and elicits aggression. Frontiers in Zoology 7: 19.
2009
Ambrée, O; Richter, SH; Sachser, N; Lewejohann, L; Dere, E; de Souza Silva, MA; Herring, A; Keyvani, K; Paulus, W; Schäbitz, WR (2009): Levodopa ameliorates learning and memory deficits in a murine model of Alzheimer's disease. Neurobiology of Aging 30: 1192-1207.
Diederich, K; Schäbitz, W-R; Kuhnert, K; Hellström, N; Sachser, N; Schneider, A; Kuhn, G; Knecht, S (2009): Synergetic effects of granulocyte-colony stimulating factor and cognitive training on spatial learning and survival of newborn hippocampal neurons. PLoSONE DOI: 10.1371/journal.pone.0005303.
Diederich, K; Sevimli, S; Dörr, H; Kösters, E; Hoppen, M; Lewejohann, L; Klocke, R; Minnerup, J; Knecht, S; Nikol, S; Sachser, N; Schneider, A; Gorji, A; Sommer, C; Schäbitz, WR (2009): The role of granulocyte-colony stimulating factor (G-CSF) in the healthy brain: A characterization of G-CSF deficient mice. The Journal of Neuroscience 29: 11672-11581.
Glocker, ML; Langleben, DD; Ruparel, K; Loughead, JW; Gur, RC; Sachser, N (2009): Baby schema in infant faces induces cuteness perception and motivation for caretaking in adults. Ethology 115 (3): 257-263.
Glocker, ML; Langleben, DD; Ruparel, K; Loughead, JW; Valdez, JN; Griffin, MD; Sachser, N; Gur, RC (2009): Baby schema modulates the brain reward system in nulliparous women. Proceedings of the National Academie of Sciences of the USA. 106: 9115-9.
Gygax, L; Neisen, G; Wechsler, B (2009): Differences between single and paired heifers in residency in functional areas, length of travel path, and area used throughout days 1-6 after integration into a free stall dairy herd. Applied animal behaviour science 120 (1-2): 49-55.
Heiming, RS; Jansen, F; Lewejohann, L; Kaiser, S; Schmitt, A; Lesch, KP; Sachser, N (2009): Living in a dangerous world: the shaping of behavioral profile by early environment and 5-HTT genotype. Frontiers in Behavioral Neuroscience 3: 26.
Hennessy, MB; Kaiser, S; Sachser, N (2009): Social buffering of the stress response: diversity, mechanisms, and functions. Frontiers in Neuroendocrinology 30 (4): 470-82.
Herring, A; Ambrée, O; Tomm, M; Habermann, H; Sachser, N; Paulus, W; Keyvani, K (2009): Environmental enrichment enhances cellular plasticity in transgenic mice with Alzheimer-like pathology. Experimental Neurology 216 (1): 184-192.
Kaiser, S; Sachser, N (2009): Effects of prenatal social stress on offspring development: pathology or adaptation? Current Directions in Psychological Science 18(2): 118-121.
Keller, C; Schradin, C (2009): Plant and small richness correlate positively in a biodiversity hotspot. Biodiversity and Conservation 17(4): 911-923.
Kemme, K; Kaiser, S; von Engelhardt, N; Wewers, D; Groothuis, T; Sachser, N (2009): An unstable social environment affects sex ratio in guinea pigs: an adaptive maternal effect? Behaviour 146 (11): 1513-1529.
Lewejohann, L; Damm, OS; Luetjens, CM; Hämäläinen, T; Simoni, M; Nieschlag, E; Gromoll, J; Wistuba, J (2009): Impaired recognition memory in male mice with a supernumerary X chromosome. Physiology & Behavior 96: 22-29.
Lewejohann, L; Hoppmann, AM; Kegel, P; Kritzler, M; Krüger, T; Sachser, N (2009): Behavioral phenotyping of a murine model of Alzheimer's disease in a semi-naturalistic environment using RFID tracking. Behavior Research Methods 41: 850-856.
Lewejohann, L; Reefmann, N; Widmann, P; Ambrée, O; Herring, A; Keyvani, K; Paulus, W; Sachser, N (2009): Transgenic Alzheimer mice in a semi-naturalistic environment: More plaques, yet not compromised in daily life. Behavioural Brain Research 201: 99-102.
Neisen, G; Wechsler, B; Gygax, L (2009): Effects of the introduction of single heifers or pairs of heifers into dairy-cow herds on the temporal and spatial associations of heifers and cows. Applied Animal Behaviour Science 119 (3-4): 127-136.
Neisen, G; Wechsler, B; Gygax, L (2009): Choice of scan-sampling intervals - an example with quantifying neighbours in dairy cows. Applied Animal Behaviour Science 116 (2-4): 134-140.
Reefmann, N; Bütikofer Kaszàs, F; Wechsler, B; Gygax, L (2009): Ear and tail postures as indicators of emotional valence in sheep. Applied Animal Behaviour Science 118 (3-4): 199-207.
Reefmann, N; Bütikofer Kaszàs, F; Wechsler, B; Gygax, L (2009): Physiological expression of emotional reactions in sheep. Physiology & Behavior 98 (1-2): 235-241.
Reefmann, N; Wechsler, B; Gygax, L (2009): Behavioural and physiological assessment of positive and negative emotion in sheep. Animal Behaviour 78 (3): 651-659.
Richter, SH; Garner, JP; Würbel, H (2009): Environmental standardization: cure or cause of poor reproducibility in animal experiments? Nature Methods 6(4): 257-261.
Sachser, N (2009): Neugier, Spiel und Lernen: Verhaltensbiologische Anmerkungen zur Kindheit. In: Handbuch der Erziehungswissenschaft Band III/I Familie-Kindheit-Jugend-Gender: 329-339.
Schradin, C; Schneider, C; Yuen, CH (2009): Age at puberty in male African striped mice: the impact of food, population density and the presence of the father. Functional Ecology 23 (5): 1004-1013.
Trillmich, F; Mueller, B; Kaiser, S; Krause, J (2009): Puberty in female cavies (Cavia aperea) is affected by photoperiod and social conditions. Physiology & Behavior 96(3): 476-480.
2008
Adrian, O; Dekomien, G; Epplen, JT; Sachser, N (2008): Body weight and rearing conditions of males, female choice and paternities in a small mammal, Cavia aperea. Ethology 114 (9): 897-906.
Adrian, O; Jömann, N (2008): Animals: Mere objects, holder of dignity or owner of moral rights? In: Müller, K; Sachser, N (ed.): Theology meets biology. Anthropological perspectives on animals and human beings. Pustet-Verlag, Regensburg.: 137-149.
Adrian, O; Kaiser, S; Sachser, N; Jandewerth, P; Löttker, P; Epplen, JT; Hennessy, MB (2008): Female influences on pair formation, reproduction and male stress responses in a monogamous cavy (Galea monasteriensis). Hormones & Behavior 53 (3): 403-412.
Asher, M; Lippmann, T; Epplen, JT; Kraus, C; Trillmich, F; Sachser, N (2008): Large males dominate: ecology, social organization, and mating system of wild cavies, the ancestors of the guinea pig. Behavioral Ecology and Sociobiology 62 (9): 1509-1521.
Bacher, M; Dodel, R; Aljabari, B; Keyvani, K; Marambaud, P; Kayed, R; Glabe, C; Görtz, N; Hoppmann, A; Sachser, N; Klotsche, J; Schnell, S; Lewejohann, L; Al-Abed, Y (2008): CNI-1493 inhibits Aß production, plaque formation, and cognitive deterioration in an aimal model of Alzheimer's disease. The Journal of Experimental Medicine 205 (7): 1593-1599.
Görtz, N; Lewejohann, L; Tomm, M; Ambrée, O; Keyvani, K; Paulus, W; Sachser, N (2008): Effects of environmental enrichment on exploration, anxiety, and memory in female TgCRND8 Alzheimer mice. Behavioural Brain Research 191: 43-48.
Kaiser, S; Touma, C; Galert, T; Würbel, H (2008): Animal Suffering - Fact or Fiction? In : Müller, K; Sachser, N (ed.): Theology meets biology. Anthropological perspectives on animals and human beings. Pustet-Verlag, Regensburg: 123-136.
Kemme, K; Kaiser, S; Sachser, N (2008): Prenatal stress does not impair coping with challenge later in life. Physiology and Behavior 93: 68-75.
Lewejohann, L (2008): Fill My Datebook: A Software Tool to Generate and Handle Lists of Events. Behavior Research Methods 40 (2): 391-393.
Müller, K; Sachser,N (ed) (2008): Theologie meets Biology. Anthropological perspectives on animals and human beings. Pustet-Verlag, Regensburg.
Pallerla, SR; Lawrence, R; Lewejohann, L; Pan, Y; Fischer, T; Schlomann, U; Zhang, X; Esko, JD; Grobe, K (2008): Altered heparan sulfate structure in mice with deleted NDST3 gene function. The Journal of Biological Chemistry 283: 16885-16894.
Richter, SH; Ambrée, O; Lewejohann, L; Herring, A; Keyvani, K; Paulus, W; Palme, R; Touma, C; Schäbitz, WR; Sachser, N (2008): Wheel-running in a transgenic mouse model of Alzheimer's disease: protection or symptom? Behavioural Brain Research 190: 74-84.
Richter, SH; Coutellier, L (2008): Animal suffering and well-being. International symposium on the state of science. vior: a multi-laboratory study. ISAE-Newsletter 31: 9-10.
2007
Gygax, L; Neisen, G; Bollhalder, H (2007): Accuracy and validation of a radar-based automatic local position measurement system for tracking dairy cows in free-stall barns. Computers and Electronics in Agriculture 56: 23-33.
Kaiser, S; Haderthauer, S; Sachser, N; Hennessy, MB (2007): Social Housing Conditions around Puberty Determine Later Changes in Plasma Cortisol Levels and Behavior. Physiology and Behavior 90: 405-411.
Kaiser, S; Sachser, N (2007): Sex-specific effects of early social stress in mammals: A study in guinea pigs. In: Encyclopedia of stress, 2nd ed.; editor in chief: George Fink. Academic Press, Oxford; Vol.3: 479-484.
Kemme, K; Kaiser, S; Sachser, N (2007): Prenatal maternal programming determines testosterone response during social challenge. Hormones and Behavior 51: 387-394.
Kritzler, M; Lewejohann, L; Krüger, A (2007): Analysing Movement and Behavioural Patterns of Laboratory Mice in a Semi Natural Environment Based on Data collected via RFID-Technology. In: Gottfried, B (ed.): Workshop on Behaviour Monitoring and Interpretation. Osnabrück.
Reefmann N; Bütikofer F; Stauffacher M; Wechsler B; Gygax L (2007): Ethophysiologische Erfassung emotionaler Valenz bei Schafen in positiv-negativ Kontrastsituationen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung, KTBL-Schrift 461. Darmstadt: 115-124.
Richter, SH (2007): The influence of dopamine and physical exercise on stereotypies and object recognition memory in a murine model of Alzheimer's disease. Etho-News 57: 28-29.
2006
Adrian, O (2006): Meerschweinchen; Gewöhnliches Wildmeerschweinchen; Wasserschwein. In: Brockhaus-Redaktion (ed.): Faszination Natur - Tiere, Band 7: Säugetiere: 418-421, 423.
Ambrée, O; Leimer, U; Herring, A; Görtz, N; Sachser, N; Heneka, MT; Paulus, W; Keyvani, K (2006): Reduction of amyloid angiopathy and Abeta plaque burden after enriched housing in TgCRND8 mice: involvement of multiple pathways. American Journal of Pathology 169(2): 544-552.
Ambrée, O; Touma, C; Görtz, N; Keyvani, K; Paulus, W; Palme, R; Sachser, N (2006): Activity changes and marked stereotypic behavior precede Abeta pathology in TgCRND8 Alzheimer mice. Neurobiology of Aging 27: 955-964.
Dallmann, R; Touma, C; Palme, R; Albrecht, U; Steinlechner, S (2006): Impaired daily glucocorticoid rhythm in Per1 (Brd) mice. Journal of Comparative Physiology A 192: 769-775.
Hennessy, MB; Hornschuh, G; Kaiser, S; Sachser, N (2006): Cortisol responses and social buffering: A study throughout the life span. Hormones and Behavior 49: 383-390.
Hennessy, MB; Neisen, G; Bullinger, KL; Kaiser, S; Sachser, N (2006): Social organization predicts nature of infant-adult interactions in two species of wild guinea pigs (Cavia aperea and Galea monasteriensis). Journal of Comparative Psychology 120: 12-18.
Kritzler, M; Lewejohann, L; Krüger, A; Raubal, M; Sachser, N (2006): An RFID-based tracking system for laboratory mice in a semi-natural environment. In: A. Schmidt, S. Spiekermann, A. Gershman, F. Michahelles (ed.): PTA2006 Workshop, PERVASIVE - pervasive technology applied real-world experiences with RFID and sensor networks. Dublin, Ireland.
Lewejohann, L; Reinhard, C; Schrewe, A; Brandewiede, J; Haemisch, A; Görtz, N; Schachner, M; Sachser, N (2006): Environmental Bias? Effects of Housing Conditions, Laboratory Environment, and Experimenter on Behavioral Tests. Genes Brain and Behavior 5: 64-72.
Stefanski, V; Sachser, N.; Holst v. D (2006): Sozialer Stress, Verhalten, Immunsystem und Krankheit. In: Straub, R.H. (ed.): Lehrbuch der klinischen Pathophysiologie komplexer chronischer Erkrankungen. Vandenhoeck & Ruprecht, Göttingen: 221-233.
Stock, C; Sachser, N (2006): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Hurrelmann, K.; Laaser, U.; Razum, O. (ed.): Handbuch Gesundheitswissenschaften 4.Auflage. Juventa, Weinheim, München: 93-116.
Adrian, O; Brockmann, I; Hohoff, C; Sachser, N (2005): Paternal behaviour in wild guinea pigs: A comparative study in three closely related species with different social and mating systems. Journal of Zoology (Lond.) 265: 97-105.
2005
Broom, DM; Reefmann, N (2005): Chicken welfare as indicated by lesions on carcases in supermarkets. British Poultry Science 46: 407-414.
Carter, SC; Ahnert, L; Grossmann, K; Hrdy, SB; Lamb, ME; Porges, SW; Sachser N (ed.) (2005): Attachment and Bonding: A New Synthesis. MIT Press, Cambridge.
Hagencord, R (2005): Diesseits von Eden. Verhaltensbiologische und theologische Argumente für eine neue Sicht der Tiere. Pustet-Verlag, Regensburg.
Kaiser, S; Sachser, N (2005): The effects of prenatal social stress on behaviour: Mechanisms and function. Neuroscience and Biobehavioral Reviews 29: 283-294.
Pedersen, CA; Ahnert,L; Anzenberger, G; Belsky, J; Draper, P; Fleming, AS; Grossmann, K; Sachser, N; Sommer, S; Tietze, DP; Young, LJ (2005): Beyond infant attachment: the origins of bonding later in life. In: Carter SC, Ahnert L, Grossmann K, Hrdy SB, Lamb ME, Porges SW, Sachser N (ed.): Attachment and Bonding: A New Synthesis. MIT Press, Cambridge: 385-427.
Sachser, N (2005): Adult social bonding: insights from studies in non-human mammals. In: Carter, CS; Ahnert, L; Grossmann, KE; Hrdy, SB; Lamb, ME; Porges, SW; Sachser, N (ed.): Attachment and Bonding: A New Synthesis. MIT Press, Cambridge: 119-135.
Schwarze-Eicker, K; Keyvani, K; Görtz, N; Westaway, D; Sachser, N; Paulus, W (2005): Prion protein (PrPc) promotes ß-amyloid plaque formation. Neurobiology of Aging 26(8): 1177-1182.
Wewers, D; Kaiser, S; Sachser, N (2005): Application of an antiandrogen during pregnancy infantilizes the male offsprings' behaviour. Behavioural Brain Research 158: 89-95.
2004
Asher, M; Oliveira, ES; Sachser, N (2004): Social system and spatial organization of wild guinea pigs (Cavia aperea) in a natural low density population. Journal of Mammalogy 85: 788-796.
Keyvani, K; Sachser, N; Witte, OW; Paulus, W (2004): Gene expression, profiling in the intact and injured brain environment enrichment. Journal of Neuropathology and Experimental Neurology 63 (6): 598-609.
Lewejohann, L; Skryabin, BV; Sachser, N; Prehn, C; Heiduschka, P; Thanos, S; Jordan, U; Dell'Omo, G; Vyssotski, AL; Pleskacheva, MG; Lipp, HP; Tiedge, H; Brosius, J; Prior, H (2004): Role of a neuronal small non-messenger RNA: behavioural alterations in BC1 RNA-deleted mice. Behavioural Brain Research 154: 273-289.
Marashi, V; Barnekow, A; Sachser, N (2004): Effects of environmental enrichment on males of a docile inbred strain of mice. Physiology & Behavior 82: 765-776.
Prior, H; Schwegler, H; Marashi, V; Sachser, N (2004): Exploration, emotionality, and hippocampal mossy fibers in nonaggressive AB/Gat and congenic highly aggressive mice. Hippocampus 14: 135-140.
Sachser, N (2004): Neugier, Spiel und Lernen: Verhaltensbiologische Anmerkungen zur Kindheit. Zeitschrift für Pädagogik 4: 475-486.
Sachser, N; Künzl, C; Kaiser, S (2004): The welfare of laboratory guinea pigs. In: Kalista, E (ed.): The welfare of laboratory animals. Kluwer Academic Publishers, Dordrecht, The Netherlands: 181-209.
Solmsdorff, K; Kock, D; Hohoff, C; Sachser, N (2004): Comments of the genus Galea Meyen 1833 with description of Galea monasteriensis n.sp. from Bolivia (Mammalia, Rodentia, Caviidae). Senckenbergiana biologica 84: 137-156.
Touma, C; Ambrée, O; Görtz, N; Keyvani, K; Lewejohann, L; Palme, R; Paulus, W; Schwarze-Eicker, K; Sachser, N (2004): Age- and sex-dependent development of adrenocortical hyperactivity in a transgenic mouse model of Alzheimer's disease. Neurobiology of Aging 25: 893-904.
Touma, C; Palme, R; Sachser, N (2004): Analyzing corticosterone metabolites in fecal samples of mice: A noninvasive technique to monitor stress hormones. Hormones and Behavior 45: 10-22.
Trillmich, F; Kraus, C; Künkele, J; Asher, M; Clara, M; Dekomien, G; Epplen, JT; Saralegui, A; Sachser, N (2004): Species-level differentiation of two cryptic species pairs of wild cavies, genera Cavia and Galea, with a discussion of the relationship between social systems and phylogeny in the Caviinae. Canadian Journal of Zoology 82: 516-524.
2003
Hohoff, C; Franzen, K; Sachser, N (2003): Female choice in a promiscuous wild guinea pig, the yellow-toothed cavy (Galea musteloides). Behavioral Ecology and Sociobiology 53: 341-349.
Künzl, C; Kaiser, S; Meier, E; Sachser, N (2003): Is a wild mammal kept and reared in captivity still a wild animal? Hormones and Behavior 43: 187-196.
Kaiser, S; Heemann, K; Straub, RH; Sachser, N (2003): The social environment affects behaviour and androgens, but not cortisol in pregnant female guinea pigs. Psychoneuroendocrinology 28: 67-83.
Kaiser, S; Kirtzeck, M; Hornschuh, G; Sachser, N (2003): Sex specific difference in social support - a study in female guinea pigs. Physiology & Behavior 79 (2): 297-303.
Kaiser, S; Kruijver, FPM; Straub, RH; Sachser, N; Swaab, DF (2003): Early social stress in male guinea pigs changes social behaviour, and autonomic and neuroendocrine functions. The Journal of Neuroendocrinology 15: 761-769.
Kaiser, S; Kruijver, FPM; Swaab, DF; Sachser, N (2003): Early social stress in female guinea pigs induces a masculinization of adult behavior and corresponding changes in brain and neuroendocrine function. Behavioural Brain Research 144: 199-210.
Kaiser, S; Nübold, T; Rohlmann, I; Sachser, N (2003): Pregnant female guinea pigs adapt easily to a new social environment irrespective of their rearing conditions. Physiology and Behavior 80: 147-153.
Knierim, U; Hesse, D; von Borell, E; Herrmann, HJ; Müller, C; Rauch, HW; Sachser, N; Zerbe, F (2003): Minimum standards for voluntary animal welfare assessment of mass-produced farm animal housing equipment. Animal Welfare 12: 75-84.
Marashi, V; Barnekow, A; Ossendorf, E; Sachser, N (2003): Effects of different forms of environmental enrichment on behavioral, stressphysiological, and immunological parameters in male mice. Hormones and Behavior 43: 281-292.
Sachser, N (2003): Soziale Umwelt, Verhalten und Stress: Erkenntnisse der modernen Verhaltensbiologie. In: Liebau, E; Peskoller, H; Wulf, C (ed.): Pädagogische Anthropologie. Band 13; Natur - Pädagogisch-anthropologische Perspektiven. Beltz Verlag, Weinheim, Basel, Berlin: 137-148.
Skryabin, BV; Sukonina, V; Jordan, U; Lewejohann, L; Sachser, N; Muslimov, I; Tiedge, H; Brosius, J (2003): Neuronal untranslated BC1 RNA: targeted gene elimination in mice. Molecular and Cellular Biology 23: 6435-6441.
Stock, C; Sachser, N (2003): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Klaus Hurrelmann; Ulrich Laaser (ed.): Handbuch Gesundheitswissenschaften 3. Auflage. Juventa Verlag, Weinheim; München: 175-195.
Touma, C; Sachser, N; Möstl, E; Palme, R (2003): Effects of sex and time of day on metabolism and excretion of corticosterone in urine and feces of mice. General and Comparative Endocrinology 130: 267-278.
Wewers, D; Kaiser, S; Sachser, N (2003): Maternal seperation in guinea pigs: a study in behavioural endocrinology. Ethology 109: 443-453.
2002
Hohoff, C; Solmsdorff, K; Löttker, P; Kemme, K; Epplen, JT; Cooper, TG; Sachser, N (2002): Monogamy in a new species of wild guinea pigs. Naturwissenschaften 89(10): 462-465.
Illies, I; Mühlen, W; Dücker, G; Sachser, N (2002): The influence of different bee traps on undertaking behaviour of the honey bee (Apis mellifera) and development of a new trap. Apidologie 33: 315-326.
Künzl, C; Meier, E; Sachser, N (2002): Verhaltensbiologische Untersuchungen zur Anpassung von Wildmeerschweinchen an den Hausstand. In: Gansloßer, U (ed.): Gruppenmechanismen. Filander-Verlag, Fürth: 153-158.
Sachser, N (2002): Faszination Verhaltensbiologie. Biologen heute 4: 2-7.
Sachser, N (2002): Verhaltensbiologische Untersuchungen zum Wohlergehen der Tiere. In: Gansloßer, U (ed.): Gruppenmechanismen. Filander-Verlag, Fürth: 153-158.
Sachser, N (2002): Die biologischen Grundlagen aggressiven Verhaltens. In: Bilstein, J; Winzen, M (ed.): Das Tier in mir. Die animalischen Ebenbilder des Menschen. Verlag der Buchhandlung Walter König, Köln: 101-113.
Schulze Westerath, H; Knierim, U; Sachser, N (2002): Lernfähigkeit, Furchtniveau und Entwicklungsstabilität von Masthühnern in angereicherter und konventioneller Haltung. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung. KTBL-Schrift, 407. Darmstadt: 92-101.
2001
Forkmann, B; Blokhuis, HJ; Broom, DM; Kaiser, S; Koolhaas, JM; Levine, S; Mendl, M; Plotsky, PM; Schedlowski, M (2001): Key sources of variability in coping. In: Broom, DM (ed.): Coping with challenge: welfare in animals including humans. Dahlem Workshop Report 87. Dahlem University Press, Berlin: 249-270.
Illies, I; Mühlen, W; Dücker, G; Sachser, N (2001): A study of undertaking behaviour of honey bees (Apis mellifera L.) by use of different bee traps. In: INRA (ed.): Hazards of pesticides to bees. Avignon (France), September 07-09, 1999. Paris: 237-244.
Kaiser, S; Sachser, N (2001): Social stress during pregnancy and lactation affects in guinea pigs the male offsprings' endocrine status and infantilizes their behaviour. Psychoneuroendocrinology 26: 503-519.
Kaiser, S; Sachser, N (2001): Stress und Wohlergehen. In: Praxis der Naturwissenschaften: Biologie in der Schule. Aulis Verlag Deubner, Köln: 15-20.
Kalthoff, A; Schmidt, C; Sachser, N (2001): Der Einfluss von Zoobesuchern auf das Verhalten und die Speichel-Corticosteronkonzentrationen von Zootieren. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 2000. KTBL-Schrift. Darmstadt: 104-112.
Knierim, U; Carter, CS; Fraser, D; Gärtner, K; Lutgendorf, SK; Mineka, S; Panksepp, J; Sachser, N (2001): Good welfare: improving quality of life. In: Broom, DM (ed.): Coping with challenge: welfare in animals including humans. Dahlem Workshop Report 87. Dahlem University Press, Berlin: 79-100.
Sachser, N (2001): What is important to achieve good welfare in animals? In: Broom, DM (ed.): Coping with challenge: welfare in animals including humans. Dahlem Workshop Report 87. Dahlem University Press, Berlin: 31-48.
Sachser, N (2001): Wechselwirkungen - Verhaltensbiologische Anmerkungen zur Natur des Menschen. Forschung & Lehre 10: 10-11.
Touma, C; Kurt, F (2001): Ethologische Untersuchungen zur Musth bei Elefantenbullen in Menschenhand. In: Kurt, F (ed.): Elefant in Menschenhand - Forschungsberichte aus Sri Lanka. Filander Verlag, Fürth: 185-196.
Touma, C; Palme, R; Sachser, N (2001): Different types of oestrus cycle in two closely related South American rodents (Cavia aperea and Galea musteloides) with different social and mating systems. Reproduction 121: 791-801.
2000
Cooper, TG; Weydert, S; Yeung, CH; Künzl, C; Sachser, N (2000): Maturation of epididymal spermatozoa in the non-domesticated guinea pigs Cavia aperea and Galea musteloides. Journal of Andrology 21 (1): 154-163.
Dücker, G et al. (2000): 100 Jahre Bernhard Rensch Biologe - Philosoph - Künstler. LIT Verlag, Münster, Hamburg, London.
Hesse, D; Knierim, U; von Borell, E; Herrmann, HJ; Koch, L; Müller, C; Rauch, HW; Sachser, N; Schwabenbauer, K; Zerbe, F (2000): Voluntary testing procedure of farm animal housing equipment with regard to animal welfare. In: AgEng Warwick 2000: full papers; agricultural engineering into the third millenium; 2000.07.02-07, Warwick. ESAE, Warwick: Paper Number 00-FB-044.
Hesse, D; Knierim, U; von Borell, E; Herrmann, HJ; Koch, L; Müller, C; Rauch, HW; Sachser, N; Zerbe, F (2000): Tiergerechtheit auf dem Prüfstand - Anforderungen an freiwillige Prüfverfahren gemäß §13a TierschG. Merkblatt der Deutschen Landwirtschaftlichen Gesellschaft e.V. 321: 1-16.
Künzl, C; Sachser, N (2000): Auswirkungen der Domestikation auf Verhalten und endokrine Anpassungsreaktionen beim Meerschweinchen. Archiv für Tierzucht, Dummerstorf 43 Sonderheft: 153-158.
Künzl, C; Sachser, N (2000): Sozialverhalten und soziale Organisation von Wild- und Hausmeerschweinchen. Tierlaboratorium 23: 100-111.
Kaiser, S; Brendel, H; Sachser, N (2000): Effects of ACTH applications during pregnancy on the female offsprings' endocrine status and behavior in guinea pigs. Physiology & Behaviour 70: 157-162.
Lewejohann, L; Sachser, N (2000): Präferenztests zur Beurteilung unterschiedlicher Haltungsbedingungen von männlichen Labormäusen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1999. KTBL Schrift 391. Darmstadt: 170-177.
Sachser, N (2000): Umwelt, Gene und Verhalten. In: Aufbruch der Biowissenschaften. In: vdbiol (ed.): Sammelband der Vorträge auf der Jahrestagung 2000 des Verbandes Deutscher Biologen und biowissenschaftlicher Fachgesellschaften - vdbiol. München: 190-194.
Schmidt, C (2000): Futterverteilung, Stallwechsel und Transport: Experimentelle Untersuchungen zu Verhalten und Belastungszustand bei im Zoo gehaltenen Breitmaulnashörnern, Ceratotherium simum simum. Schüling Verlag, Münster.
Wölbing, O; Asher, M; Bishr, Y; Kuhn, W; Sachser, N (2000): Applying GIS for investigations in behavioural biology. In: Strobl, J; Blaschke, T; Griesebner, G (ed.): Angewandte Geographische Informationsverarbeitung XII, Beiträge zum AGIT-Symposium Salzburg 2000. Herbert Wichmann Verlag, Heidelberg: 520-528.
1999
Hesse, D; Knierim, U; von Borell, E; Herrmann, HJ; Koch, L; Müller, C; Rauch, HW; Sachser, N; Schwabenbauer, K; Zerbe, F (1999): Freiwilliges Prüfverfahren für Stalleinrichtungen entsprechend dem novellierten Tierschutzgesetz von 1998. Deutsche tierärztliche Wochenschrift 106: 138-141.
Künzl, C; Meier, E; Sachser, N (1999): Ist ein Wildmeerschweinchen in Menschenhand noch ein Wildtier? In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1998. KTBL-Schrift 382. Darmstadt: 107-114.
Künzl, C; Sachser, N (1999): The behavioural endocrinology of domestication: a comparison between the domestic guinea pig (Cavia aperea f. porcellus) and its wild ancestor, the cavy (Cavia aperea). Hormones & Behavior 35: 28-37.
Kaiser, S; Classen, D; Sachser, N (1999): Auswirkungen unterschiedlicher struktureller Anreicherungen auf das Spontanverhalten weiblicher Labormäuse (Stamm NMRI). In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1998. KTBL-Schrift 382. Darmstadt: 56-62.
Keil, A; Epplen, JT; Sachser, N (1999): Reproductive success of males in the promiscuous-mating yellow-toothed cavy (Galea musteloides). Journal of Mammalogy 80(4): 1257-1263.
Sachser, N (1999): Sozialverhalten und Wohlergehen von Säugetieren in der Stadt. In: Helmstädter, E; Mohrmann, RE (ed.): Lebensraum Stadt. LIT Verlag, Münster: 59-71.
Sachser, N; Schwarz-Weig, E; Keil, A; Epplen, JT (1999): Behavioural strategies, testis size, and reproductive success in two caviomorph rodents with different mating systems. Behaviour 136: 1203-1217.
Scherbring, C; Künzl, C; Zeeb, K; Sachser, N (1999): Untersuchungen zur Kommunikation zwischen Mensch und Pferd mit Hilfe von Ohrenattrappen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1998. KTBL-Schrift 382. Darmstadt: 99-106.
1998
Blühdorn, I (1998): Auswirkungen potentieller Störreize auf das Verhalten brütender und jungeführender Kiebitze. Vogelwelt 119: 105-113.
Kaiser, S; Maicher, P; Classen, D; Sachser, N (1998): Auswirkungen von Umweltanreicherungen auf das Verhalten von Labormäusen. In: Juhr, NC et al. (ed.): Schriftenreihe Tierlaboratorium Vol. 21. Berlin: 63-69.
Kaiser, S; Sachser, N (1998): The social environment during pregnancy and lactation affects the female offsprings' endocrine status and behaviour in guinea pigs. Physiology & Behavior 63: 361-366.
Kaiser, S; Sachser, N (1998): Die pränatale Beeinflussung von Verhalten und Physiologie bei Hausmeerschweinchen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1997. KTBL Schrift 380. Darmstadt: 164-172.
Keil, A; Sachser, N (1998): Reproductive benefits from female promiscuous mating in a small mammal. Ethology 104: 897-903.
Marashi, V; Schneider-Stock, R; Epplen, JT; Sachser, N (1998): Die ethologische Charakterisierung zweier nahverwandter Mäuse-Inzuchtstämme: Ein Beitrag zur Molekulargenetik komplexen Verhaltens. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1997. KTBL Schrift 380. Darmstadt: 155-163.
Sachser, N (1998): Of domestic and wild guinea pigs: studies in sociophysiology, domestication, and social evolution. Naturwissenschaften 85: 307-317.
Sachser, N (1998): Was bringen Präferenztests? In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1997. KTBL Schrift 380. Darmstadt: 9-20.
Sachser, N; Dürschlag, M; Hirzel, D (1998): Social relationships and the management of stress. Psychoneuroendocrinology 23(8): 891-904.
Sauerland, M; Dehnhardt, G (1998): Underwater audiogram of a tucuxi (sotalia fluviatilis guianensis). The Journal of the Acoustical Society of America 103 (2): 1199-1204.
Stock, C; Sachser, N (1998): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Hurrelmann, K; Laaser, U (ed.): Handbuch Gesundheitswissenschaften 2. Auflage. Juventa Verlag, Weinheim und München: 175-195.
1997
Dücker, G (1997): Die Tierpsychologie von Bernhard Rensch. In: Bernhard Rensch: Biologe und Philosoph. Dialogverlag presse+medienservice, Münster: 25-38.
Holtkötter, M (1997): Wie Affen denken. Kognitive Prozesse beim Lösen von Problembox-Aufgaben - Untersuchungen mit verschiedenen Primaten. Verlag Natur & Wissenschaft, Solingen.
Künzl, C; Sachser, N (1997): Verhaltensbiologische Untersuchungen zur Domestikation des Meerschweinchens. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1996. KTBL Schrift 376. Darmstadt: 99-109.
Keil, S; Sachser, N (1997): Haltungsbedingungen und Wohlergehen bei Meerschweinchen. In: Juhr NC et al. (ed.): Schriftenreihe Tierlaboratorium Vol. 20. Berlin: 45-52.
Prior, H; Schwegler, H; Dücker, G (1997): Dissociation of spatial reference memory, spatial working memory, and hippocampal mossy fiber distribution in two rat strains differing in emotionality. Behavioural Brain Research 87: 183-194.
Sachser, N; Kaiser, S (1997): The social environment, behaviour and stress - a case study in guinea pigs. Acta Physiologica Scandinavica 161, Supplement 640: 83-87.
Schmidt, C; Sachser, N (1997): Auswirkungen unterschiedlicher Futterverteilungen auf Verhalten und Speichel-Streßhormonkonzentrationen von Breitmaulnashörnern im Allwetterzoo Münster. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1996. KTBL Schrift 376. Darmstadt: 188-198.
1996
Dücker, G; Prior, H; Sauerland, M; Schlagheck, G; Schüling, K (1996): Analyse des Lernverhaltens eintragemotivierter Mäuse (Stamm NMRI) bei manipulativen Problemlöseaufgaben. Zoologische Beiträge 37: 49-76.
Dehnhardt, G; Dücker, G (1996): Tactual discrimination of size and shape by a california sea lion (Zalophus californianus). Animal Learning and Behavior 24.4: 366-374.
Sachser, N; Kaiser, S (1996): Prenatal social stress masculinizes the females' behaviour in guinea pigs. Physiology & Behavior 60: 589-594.
Schwarz-Weig, E; Sachser, N (1996): Social behaviour, mating system and testes size in cuis (Galea musteloides). Zeitschrift für Säugetierkunde 61: 25-38.
1995
Dehnhardt, G; Kaminski, A (1995): Sensitivity of the mystacial vibrissae of harbour seals (Phoca vitulina) for size differences of actively touched objects. Journal of Experimental Biology 198: 2317-2323.
Prior, H; Sachser, N (1995): Effects of enriched housing environment on the behaviour of young male and female mice in four exploratory tasks. Journal of Experimental Animal Science 37: 57-68.
Sachser, N; Beer, R (1995): Long-term influences of social situation and socialisation on adaptability in behaviour. In: Gansloßer, U; Hodges, JK; Kaumanns, W (ed.): Research and Captive Propagation. Filander Verlag, Fürth: 207-214.
1994
Beer, R; Kaiser, S; Sachser, N; Stanzel, K (1994): Merkblatt zur tierschutzgerechten Haltung von Versuchstieren: Meerschweinchen. Tierärztliche Vereinigung für Tierschutz.
Dehnhardt, G (1994): Tactile size discrimination by a california sea lion (Zalophus californianus) using its mystical vibrissae. Journal comparative Physiology A 175: 791-800.
Sachser, N (1994): Social stratification and health in non-human mammals - a case study in guinea pigs. In: Ellis, L (ed.): Social Stratification and Socioeconomic Inequality Vol. 2. Praeger, Westport: 113-121.
Sachser, N (1994): Sozialphysiologische Untersuchungen an Hausmeerschweinchen. Gruppenstrukturen, soziale Situation und Endokrinium, Wohlergehen. Verlag Paul Parey, Hamburg und Berlin.
Sachser, N; Lick, C; Stanzel, K (1994): The environment, hormones and aggressive behaviour - a five-year-study in guinea pigs. Psychoneuroendocrinology 19: 697-707.
1993
Beer, R; Sachser, N (1993): Social structure and welfare in all male-groups of guinea pigs. In: Nichelmann, M et al. (ed.): Proceedings of the International Congress of Applied Ethology. Berlin: 254-258.
Kaiser, S; Sachser, N (1993): Effects of the social environment during pregnancy of guinea pigs on the behaviour of their female offspring. In: Nichelmann M et al. (ed.): Proceedings of the International Congress of Applied Ethology. Berlin: 396-398.
Sachser, N (1993): The ability to arrange with conspecifics depends on social experiences around puberty. Physiology & Behavior 53: 539-544.
Sachser, N (1993): Verhalten als Anpassungsleistung aus Sicht der ethologischen Grundlagenforschung. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1992. KTBL Schrift 356. Darmstadt: 21-41.
Sachser, N (1993): Verhalten als Anpassungsleistung aus Sicht der ethologischen Grundlagenforschung. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1992. KTBL-Schrift 356. Darmstadt: 21-41.
Sachser, N; Renninger, SV (1993): Coping with social conflict: the role of rearing conditions in guinea pigs. Ethology, Ecology & Evolution 5: 65-74.
Stanzel, K; Sachser, N (1993): The ontogeny of male guinea pigs living under different housing conditions. In: Nichelmann, M et al. (ed.): Proceedings of the International Congress of Applied Ethology. Berlin: 92-96.
1992
Beer, R; Sachser, N (1992): Sozialstruktur und Wohlergehen in Männchengruppen des Hausmeerschweinchens. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1991. KTBL-Schrift 351. Darmstadt: 158-167.
1991
Sachser, N (1991): Die Bedeutung der Aufzuchtbedingungen für Verhalten und Physiologie männlicher Hausmeerschweinchen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1990. KTBL-Schrift 344. Darmstadt: 59-69.
Sachser, N; Lick, C (1991): Social experience, behavior, and stress in guinea pigs. Physiology & Behavior 50: 83-90.
1990
Sachser, N (1990): Social organization, social status, behavioral strategies and endocrine responses in male guinea pigs. In: Balthazart (ed.): Hormones, Brain and Behaviour in Vertebrates. Comparative Physiology vol. 9. Karger, Basel: 176-187.
Sachser, N; Lick, C (1990): Haltungsbedingungen und Wohlergehen bei Hausmeerschweinchen. Wissenschaftliche Zeitschrift der Humboldt-Universität zu Berlin, Reihe Math./Nat. Wiss. 39: 346-351.
1988
Sachser, N; Pröve, E (1988): Plasma-testosterone development in colony and individually housed male guinea pigs. Ethology 79: 62-70.
1987
Sachser, N (1987): Short-term responses of plasma norepinephrine, epinephrine, glucocorticoid and testosterone titers to social and non-social stressors in male guinea pigs of different social status. Physiology & Behavior 39: 11-20.
West-Eberhardt, MJ; Bradbury, JW; Davies, NB; Gouyon, PH; Hammerstein, P; König, B; Parker, GA; Queller, DC; Sachser, N; Slagsvold, T; Trillmich, F; Vogel, C (1987): Conflicts between and within the sexes in sexual selection. In: Sexual selection:Testing the alternatives. John Wiley & Sons, Chinchester: 180-195.
1986
Sachser, N (1986): Different forms of social organization at high and low population densities in guinea pigs. Behaviour 97: 253-272.
Sachser, N (1986): The effects of long-term isolation on physiology and behavior in male guinea pigs. Physiology & Behavior 38: 31-39.
Sachser, N; Pröve E (1986): Social status and plasma-testosterone titers in male guinea pigs (Cavia aperea f. porcellus). Ethology 71: 103-114.
1984
Sachser, N; Pröve, E (1984): Short-term effects of residence on the testosterone responses to fighting in alpha male guinea pigs. Aggressive Behaviour 10: 285-292.
1983
Sachser, N (1983): Soziale Beziehungen, räumliche Organisation und Verteilung agonistischer Interaktionen in einer Gruppe von Hausmeerschweinchen (Cavia aperea f. porcellus). Zeitschrift für Säugetierkunde 48: 100-109.
1982
Sachser, N; Hendrichs, H (1982): A longitudinal study on the social structure and its dynamics in a group of guinea pigs (Cavia aperea f. porcellus). Säugetierkundliche Mitteilungen 30: 227-240.