© Sylvia Kaiser

Prof. Dr. Sylvia Kaiser (apl.)

kaisesy@uni-muenster.de

Tel: (+49)-(0)251-83-24676
Fax: (+49)-(0)251-83-23896

Raum 151

Sprechstunde: nach Absprache

 
Forschungsschwerpunkte
  • Verhaltensbiologie
  • Stress, Stressvermeidung und Wohlergehen
  • Umwelt, Gene und die Entwicklung einzigartiger Tierpersönlichkeiten
  • Hormone und Verhalten
Vita

Akademische Ausbildung

Dr. rer. nat (zoology, behavioural biology), Unversity of Münster
Study of biology, Universities of Bayreuth and Münster

Beruflicher Werdegang

Adjunct professor, Department of Behavioural Biology, University of Münster
Substitute professor, Department of Behavioural Biology, WWU Münster
Adjunct professor, Department of Behavioural Biology, University of Münster
Associate professor, Department of Behavioural Biology, University of Münster
Assistant professor, Department of Behavioural Biology, University of Münster
Postdoctoral fellow, Netherlands Institute for Brain Research, Amsterdam, The Netherlands
Assistant professor, Department of Behavioural Biology, University of Münster

Mitgliedschaften und Aktivitäten in Gremien

Mitglied des Vorstandes der "Münster Graduate School of Evolution" (MGSE), Westfälische Wilhelms-Universität Münster
Member of the extended editorial board of the Ethological Society
Mitglied der Koordinierungskommission für tierexperimentelle Forschung, Westfälische Wilhelms-Universität Münster
Mitglied des Tierschutzausschusses der Westfälischen Wilhelms-Universität Münster
Manager of the Ethological Society
Mitglied des Vorstands des "Otto Creutzfeldt Center for Cognitive and Behavioral Neuroscience" (OCC), Westfälische Wilhelms-Universität Münster
Equal opportunity commissioner of the school of Biology
Member of the "Society for Behavioral Neuroendocrinology"
Editorial board: Behaviour
Co-organization first european conference on behavioural biology (ECBB) / foundation of a conference tradition
Young German scientist at the Dahlem conference on coping with challenge
Member of the "Deutsche Zoologische Gesellschaft" (German Zoological Society)
Member of the "Verband Deutscher Biologen" (Association of German Biolgists)
Speaker of the section „Behavioural Biology“ of the German Zoological Society
Member of the "Ethologische Gesellschaft" (Ethologcial Society)
Projekte

Laufend

Abgeschlossen

Publikationen

  • , , , , , , , , , , , , , , , , , , , , , , , , , , , und . . „Individualised niches: an integrative conceptual framework across behaviour, ecology, and evolution.Preprint. Biological reviews 101: 17931804. doi: 10.1002/brv.70147.
  • , , , und . . „The sound of silence: sex and individual differences in rat ultrasonic vocalization.Behavioural Brain Research 496 115823. doi: 10.1016/j.bbr.2025.115823.
  • , , , und . . „Shaped from an early age: Hormonal and behavioural phenotypes in juvenile male guinea pigs living in distinct social environments.Physiology and Behavior 305 115210. doi: 10.1016/j.physbeh.2025.115210.
  • , , , , , , , und . . „Effects of enrichment removal on cognitive judgement bias of mice: a comparison of two paradigms.Frontiers in Veterinary Science 13 1813283. doi: 10.3389/fvets.2026.1813283.
  • , , , , und . . „Personality tips the scale: how individual differences in exploration shape behavioural and hormonal adjustment to different environments.Frontiers in Ecology and Evolution 14 1769757. doi: 10.3389/fevo.2026.1769757.
  • , , , , , , , und . . „Reflective interdisciplinarity in practice: integrating biology and philosophy in studies of individualization.Humanities and Social Sciences Communications 13 1247. doi: 10.1057/s41599-026-08458-4.

  • , , , , , , , und . . „Environmental dynamics influence scale cortisol levels in Mexican cavefish.Preprint. bioRxiv doi: 10.1101/2025.03.09.642216.
  • , , , , , , und . . „Adjustment of paternal care in response to experimental variation in extra-pair mating opportunity in male zebra finches.Hormones and Behavior 176: 105834105834. doi: 10.1016/j.yhbeh.2025.105834.
  • , , , und . . „Animal research revisited - the case of behavioural studies.Trends in Ecology & Evolution 40 (2): 99103. doi: 10.1016/j.tree.2024.11.014.
  • , , , , , , , und . . „The behavioural ecology of optimism: judgement bias and foraging under predation risk in mice.Animal Behaviour 219 122991. doi: 10.1016/j.anbehav.2024.10.005.
  • , , , und . . „Optimism and pessimism: a concept for behavioural ecology.Biological reviews 100: 11521162. doi: 10.1111/brv.13178.
  • , , und . . „Task complexity matters: investigating behavioural lateralization in rats.Animal Behaviour 123118. doi: 10.1016/j.anbehav.2025.123118.
  • , , , , und . . „What it is like to be an optimist: temporal stability of cognitive bias in rats and its link to other individual traits.Animal Behaviour 224 123202. doi: 10.1016/j.anbehav.2025.123202.
  • , , und . . „Is Paw Preference in Rats Influenced by Environmental Novelty?Ethology 131: 7793. doi: 10.1111/eth.13580.
  • , , , , und . . „Forever an optimist? Investigating the temporal consistency of optimism within and across life phases in rats.Animal Behaviour 229 123334. doi: 10.1016/j.anbehav.2025.123334.
  • , , , und . . „The influence of regularly changing enrichment on the cognitive judgement bias of laboratory rats.Scientific Reports 15 35049. doi: 10.1038/s41598-025-22088-x.

  • , , , , , , und . . „Stress response of fire salamander larvae differs between habitat types.Royal Society Open Science 11 (4) 231304. doi: 10.1098/rsos.231304.
  • , , , , und . . „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.
  • , , , , und . . „Individualized social niches in animals: Theoretical clarifications and processes of niche change.BioScience 74: 146158. doi: 10.1093/biosci/biad122.
  • , , , und . . „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.
  • , , , , , , , , , , , , , , , , , , , , , und . „Individualisation and individualised science across disciplinary perspectives.European Journal for Philosophy of Science 14 (41) 41. doi: 10.1007/s13194-024-00602-8.
  • , , und . . „The guinea pig.“ In The UFAW handbook on the care and management of laboratory and other research animals, herausgegeben von H Golledge und C Richardson. Chichester: Wiley-Blackwell.
  • , , , , , und . . „Personality matters – The interplay between consistent individual differences and mouse welfare in female C57BL6/J mice.Frontiers in Animal Science 5 (14238). doi: 10.3389/fanim.2024.1423814.
  • , , , , und . „Specifically Unspecific – Simple Devices as Feasible and Effective Enrichment for Small Mammals.Animal Behavior and Cognition 11 (3): 305329. doi: 10.26451/abc.11.03.05.2024.
  • , , , , , , , , , , , und . . „The gut microbiota-immune-brain axis in a wild vertebrate: dynamic interactions and health impacts.Frontiers in Microbiology 15. doi: 10.3389/fmicb.2024.1413976.

  • , , , , und . . „Behavioral lateralization of mice varying in serotonin transporter genotype.Frontiers in Behavioral Neuroscience 16 1095567. doi: 10.3389/fnbeh.2022.1095567.
  • , , , , , , , und . . „Effects of castration and sterilization on cortisol responsiveness – a case study in male guinea pigs.Frontiers in Veterinary Science 9 (1093157). doi: 10.3389/fvets.2022.1093157.
  • , , , , , und . . „The power of a touch: Regular touchscreen training but not its termination affects hormones and behavior in mice.Frontiers in Behavioral Neuroscience 17. doi: 10.3389/fnbeh.2023.1112780.
  • , , , , und . . „Conditional on the social environment? Roots of repeatability in hormone concentrations of male guinea pigs.Hormones and Behavior 155 105423.
  • , , , , , , und . . „Structural enrichment for laboratory mice: exploring the effects of novelty and complexity.Frontiers in Veterinary Science 10 1207332. doi: 10.3389/fvets.2023.1207332.

  • , , , , , , und . . „Male social niche conformance? Effects of manipulated opportunity for extra-pair mating on behavior and hormones of male zebra finches.Hormones and Behavior 146: 105243105243. doi: 10.1016/j.yhbeh.2022.105243.
  • , und . . „Don’t worry, be happy? Ein verhaltensbiologischer Blick auf das Gefühlsleben der Tiere.“ In Das unterschätzte Tier, herausgegeben von N Sachser, N Kästner und T Zimmermann. Hamburg: Rowohlt Taschenbuch Verlag.
  • , , , , und . . „When left is right: The effects of paw preference training on behaviour in mice.Behavioural Brain Research 430 (113929).
  • , , , , , , , , , , , und . . „Do multiple experimenters improve the reproducibility of animal studies?PLoS Biology 20(3) (e3001564). doi: 10.1371/journal.pbio.3001564.
  • , , , , und . . „Repeatability of endocrine traits and dominance rank in female guinea pigs.Frontiers in Zoology 19 (1): 4.. doi: 10.1186/s12983-021-00449-2.
  • , , , , , , und . . „The impact of varying food availability on gene expression in the liver: Testing the Match-Mismatch hypothesis.Frontiers in Nutrition 9 (910762).
  • , , , , , , , und . . „Once an Optimist, Always an Optimist? Studying Cognitive Judgment Bias in Mice.Behavioral Ecology 33: 775788.
  • , , , , , , , , , und . „Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped.Ecology and Evolution 12 (3). doi: 10.1002/ece3.8757.
  • , , , , , , , und . . „Transcriptional profiles in the mouse amygdala after a cognitive judgment bias test largely depend on the genotype.Frontiers in Molecular Neuroscience 15 1025389. doi: 10.3389/fnmol.2022.1025389.
  • , , , , , , , , , , , und . . „Sex roles and sex ratios in animals.Biological reviews 98 (2). doi: 10.1111/brv.12915.

  • , , , , und . . „The impact of varying food availability on health and welfare in mice: Testing the Match-Mismatch hypothesis.Physiology and Behavior 228 (113193). doi: 10.1016/j.physbeh.2020.113193.
  • , , , , , und . . „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.
  • , , , , , und . . „A step in the right direction: the effect of context, strain and sex on paw preference in mice.Animal Behaviour 174: 2130. doi: 10.1016/j.anbehav.2021.01.012.
  • , , , , , und . . „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.
  • , , , , , , und . . „Not all mice are alike: Mixed-strain housing alters social behaviour.Physiology and Behavior 228 (113220). doi: 10.1016/j.physbeh.2020.113220.
  • , , , , , , , , , und . . „Individuality, as well as genetic background, affects syntactical features of courtship songs in male mice.Animal Behaviour 180: 179196.
  • , , , , und . . „Editorial: Context-Dependent Plasticity in Social Species: Feedback Loops Between Individual and Social Environment.Frontiers in Psychology 12: 64519. doi: 10.3389/fpsyg.2021.645191.

  • , , , , , , , und . . „The effects of different feeding routines on welfare in laboratory mice.Frontiers in Veterinary Science 6: 479.
  • , , , , , und . . „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.
  • , , , und . . „The Power of Infochemicals in Mediating Individualized Niches.Trends in Ecology & Evolution 35: 981989. doi: 10.1016/j.tree.2020.07.001.
  • , , , , , und . . „Adaptive reshaping of the hormonal phenotype after social niche transition in adulthood.Proceedings of the Royal Society B: Biological Sciences 287 20200667. doi: 10.1098/rspb.2020.0667.
  • , , , und . . „Sensitive phases in the development of rodent social behavior.Current Opinion in Behavioral Sciences 36: 6370. doi: 10.1016/j.cobeha.2020.07.014.
  • , , , , , und . . „Effects of different social experiences on emotional state in mice.Scientific Reports 10 (15255). doi: 10.1038/s41598-020-71994-9.

  • , , , , , , , und . . „High reproductive success despite queuing – Socio-sexual development of males in a complex social environment.Frontiers in Psychology 10 2810. doi: 10.3389/fpsyg.2019.02810.
  • , , , , und . . „Differential effects of serotonin transporter genotype on anxiety-like behavior and cognitive judgment bias in mice.Frontiers in Behavioral Neuroscience 13: 263.
  • , , , , , und . . „Heterogenising study samples across testing time improves reproducibility of behavioural data.Scientific Reports 9: 8247..
  • , , , , , und . . „Have I been here before? Effects of repeated testing and age on the results of behavioural tests.Behavioural Brain Research 367: 143148.
  • , , , , , , , und . . „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: 7988.
  • , , , , , , , und . . „Brain serotonin deficiency affects female aggression.Scientific Reports 9 (1366).
  • , , , , , , und . . „Technology or ecology? New tools to assess cognitive judgement bias in mice.Behavioural Brain Research 362: 279287. doi: 10.1016/j.bbr.2019.01.021.

  • , , , , , und . . „Evidence-based severity assessment: Impact of repeated versus single open-field testing on welfare in C57BL/6J mice.Behavioural Brain Research 336: 261268.
  • , , , und . . „Does the early social environment prepare individuals for the future? A match-mismatch experiment in female wild cavies.Frontiers in Zoology 15:13. doi: 10.1186/s12983-018-0261-1.
  • , , , , , und . . „Varying social experiences in adulthood do not differentially affect anxiety-like behavior but stress hormone levels.Frontiers in Behavioral Neuroscience 12: 72..
  • , , und . . „The adaptive shaping of social behavioural phenotypes during adolescence.Biology Letters 14. doi: 10.1098/rsbl.2018.0536.
  • , , und . . „Artgerecht/tiergerecht.“ In Handbuch Tierethik, herausgegeben von JS Ach und D Borchers. Stuttgart: J.B. Metzler Verlag.
  • , , und . . „Emotionen.“ In Handbuch Tierethik, herausgegeben von JS Ach und D Borchers. Stuttgart: J.B. Metzler Verlag.

  • , , , und . „Stress responsiveness and anxiety-like behavior: The early social environment differentially shapes stability over time in a small rodent.Hormones and Behavior 90 (null): 9097. doi: 10.1016/j.yhbeh.2017.02.010.
  • , , und . . „The adaptiveness of a queuing strategy shaped by social experiences during adolescence.Physiology and Behavior 181: 2937. doi: 10.1016/j.physbeh.2017.08.025.
  • , , , , und . . „Social experiences during adolescence affect anxiety-like behavior but not aggressiveness in male mice.Behavioural Brain Research 326: 147153. doi: 10.1016/j.bbr.2017.03.017.
  • , , , , und . . „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.
  • , , , und . . „Adaptive shaping of the behavioural and neuroendocrine phenotype during adolescence.Proceedings of the Royal Society B: Biological Sciences 284 (1849). doi: 10.1098/rspb.2016.2784.
  • , , , , und . . „What a difference a day makes - female behaviour is less predictable near ovulation.Royal Society Open Science 4. doi: 10.1098/rsos.160998.

  • , , , und . . „Looking on the bright side of bias - validation of an affective bias test for laboratory mice.Applied Animal Behaviour Science 181: 173181.
  • , , , , , , und . . „The Unexpected Effects of Beneficial and Adverse Social Experiences during Adolescence on Anxiety and Aggression and Their Modulation by Genotype.Frontiers in Behavioral Neuroscience 10 (97). doi: 10.3389/fnbeh.2016.00097.
  • , , , , , , , , und . . „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.. doi: 10.1371/journal.pone.0167652.
  • , , , , und . . „Play matters - the surprising relationship between juvenile playfulness and anxiety in later life.Animal Behaviour 114: 261271. doi: 10.1016/j.anbehav.2016.02.003.

  • , , und . . „Domestication affects the structure, development and stability of biobehavioural profiles.Frontiers in Zoology 12 (Suppl1): 19.
  • , , , und . . „Social instability during pregnancy and lactation alters female wild cavy offsprings endocrine status and behaviour later in life.Behaviour 152 (7-8): 837859.
  • , , , , , , , , , und . . „Benefits of adversity?! How life history affects the behavioral profile of mice varying in serotonin transporter genotype.Frontiers in Behavioral Neuroscience 9 (47). doi: 10.3389/fnbeh.2015.00047.
  • , , , , , und . „Benefits of a "vulnerability gene"? A study in serotonin transporter knockout mice.Behavioural Brain Research 283. doi: 10.1016/j.bbr.2015.01.031.
  • , , , und . . „Stability and change: Stress responses and the shaping of behavioral phenotypes over the life span.Frontiers in Zoology 12 (Suppl 1): 18.. doi: 10.1186/1742-9994-12-S1_S18.

  • , , , , und . . „Photoperiodic effects on reproductive development in male cavies (Cavia aperea).Physiology and Behaviour 123: 142147.
  • , , , , , , , , und . „Hope for the best or prepare for the worst? Towards a spatial cognitive bias test for mice.PloS one 9 (8). doi: 10.1371/journal.pone.0105431.
  • , , , und . . „Effects of domestication on biobehavioural profiles: a comparison of domestic guinea pigs and wild cavies from early to late adolescence.Frontiers in Zoology 11.

  • , , und . . „Behavioural profiles are shaped by social experience: when, how and why.Philosophical Transactions of the Royal Society B: Biological Sciences 368 (1618): 20120344.. doi: 10.1098/rstb.2012.0344.
  • , , , , , und . . „Early social instability affects plasma testosterone during adolescence but does not alter reproductive capacity or measures of stress later in life.Physiology and Behavior 120C: 143149. doi: 10.1016/j.physbeh.2013.08.008.
  • , , , , , , und . . „Unexpected effects of early-life adversity and social enrichment on the anxiety profile of mice varying in serotonin transporter genotype.Behavioural Brain Research 247C: 248258. doi: 10.1016/j.bbr.2013.03.039.
  • , , , , , , , , , , , und . . „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..
  • , , , , , , , , , , und . . „Effect of acute stressor and serotonin transporter genotype on amygdala first wave transcriptome in mice.PloS one 8 (3): e58880..
  • , , und . . „Dimensions of Animal Personalities in Guinea Pigs.Ethology 119 (11): 970982.

  • , und . . „Humanbiologische Grundlagen der Gesundheitswissenschaften.“ In Handbuch Gesundheitswissenschaften., herausgegeben von K Hurrelmann und O Razum. Weinheim, München: Beltz Juventa.
  • , , , , , , , , , , , , , und . . „A Comparison of Brain Gene Expression Levels in Domesticated and Wild Animals.PLOS Genetics 8(9): e1002962..

  • , , , , und . . „Inhibiting influence of testosterone on stress responsiveness during adolescence.Hormones and Behavior 60 (5): 691698.
  • , , und . . „Social interaction decreases stress responsiveness during adolescence.Psychoneuroendocrinology 36 (9): 13707. doi: 10.1016/j.psyneuen.2011.03.010.
  • , , , , , , und . . „Away game or home match: The influence of venue and serotonin transporter genotype on the display of offensive aggression.Behavioural Brain Research 219 (2): 291301. doi: 10.1016/j.bbr.2011.01.029.
  • , , und . . „Adaptive Modulation of Behavioural Profiles by Social Stress During Early Phase of Life and Adolescence.Neuroscience and Biobehavioral Reviews 35 (7): 15181533. doi: 10.1016/j.neubiorev.2010.09.002.
  • , , , , , , , und . . „Living in a dangerous world decreases maternal care: A study in serotonin transporter knockout mice.Hormones and Behavior Volume 60 (4): 397–407.. doi: 10.1016/j.yhbeh.2011.07.006.
  • , , und . . „The social environment during pregnancy and lactation shapes the behavioural and hormonal profile of male offspring in wild cavies.Developmental Psychobiology 53: 575584.

  • , , , , , , , und . . „Social Status and Day-to-Day Behaviour of Male Serotonin Transporter Knockout Mice.Behavioural Brain Research 211 (2): 220228. doi: 10.1016/j.bbr.2010.03.035.
  • , , und . . „Social Interaction, Testosterone, and Stress Responsiveness During Adolescence.Physiology and Behavior 99 (1): 4046. doi: 10.1016/j.physbeh.2009.10.005.
  • , , und . „The guinea pig.“ In The care and management of laboratory and other research animals, herausgegeben von R Hubrecht und J. Kirkwood. Chichester UK: Wiley-Blackwell. doi: 10.1002/9781444318777.ch27.
  • , und . „The social modulation of behavioural development.“ In Animal Behaviour: Evolution and Mechanisms, herausgegeben von P. Kappeler. Springer VDI Verlag. doi: 10.1007/978-3-642-02624-9_17.
  • , und . „Sex-Specific Effects of Early Social Stress in Mammals: A Study in Guinea Pigs.“ In Encyclopedia of Stress, Bd.null , herausgegeben von G Fink. Elsevier. doi: 10.1016/B978-012373947-6.00478-5.
  • , , , und . „Wild genius - domestic fool? Spatial learning abilities of wild and domestic guinea pigs.Frontiers in Zoology 7 (null). doi: 10.1186/1742-9994-7-9.

  • , , , , , und . . „An Unstable Social Environment Affects Sex Ratio in Guinea Pigs: An Adaptive Maternal Effect?Behaviour 146 (11): 15131529. doi: 10.1163/156853909X445579.
  • , , und . . „Social Buffering of the Stress Response: Diversity, Mechanisms, and Functions.Frontiers in Neuroendocrinology 30 (4): 470482. doi: 10.1016/j.yfrne.2009.06.001.
  • , und . . „Effects of Prenatal Social Stress on Offspring Development: Pathology or Adaptation?Current Directions in Psychological Science 18 (2): 118121. doi: 10.1111/j.1467-8721.2009.01620.x.
  • , , , , , und . . „Living in a dangerous world: the shaping of behavioral profile by early environment and 5-HTT genotype.Frontiers in Behavioral Neuroscience 3 (26). doi: 10.3389/neuro.08.026.2009.
  • , , , und . . „Puberty in female cavies (Cavia aperea) is affected by photoperiod and social conditions.Physiology and Behavior 96 (3): 476480. doi: 10.1016/j.physbeh.2008.11.014.

  • , , , , , , und . . „Female Influences on Pair Formation, Reproduction and Male Stress Responses in a Monogamous Cavy (Galea Monasteriensis).Hormones and Behavior 53 (3): 403412. doi: 10.1016/j.yhbeh.2007.11.009.
  • , , und . . „Prenatal Stress Does Not Impair Coping with Challenge Later in Life.Physiology and Behavior 93 (1-2): 6875. doi: 10.1016/j.physbeh.2007.07.013.
  • , , , und . „Animal Suffering - Fact or Fiction?“ In Theology meets biology. Anthropological perspectives on animals and human beings, herausgegeben von K Müller und N. Sachser. Regensburg: Verlag Anton Pustet.

  • , , und . . „Prenatal Maternal Programming Determines Testosterone Response During Social Challenge.Hormones and Behavior 51 (3): 387394. doi: 10.1016/j.yhbeh.2006.12.009.
  • , , , und . . „Social Housing Conditions Around Puberty Determine Later Changes in Plasma Cortisol Levels and Behavior.Physiology and Behavior 90 (2-3): 405411. doi: 10.1016/j.physbeh.2006.10.002.

  • , , , und . . „Cortisol Responses and Social Buffering: A Study Throughout the Life Span.Hormones and Behavior 49 (3): 383390. doi: 10.1016/j.yhbeh.2005.08.006.
  • , , , , und . . „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 (1): 1218. doi: 10.1037/0735-7036.120.1.12.

  • , und . . „The Effects of Prenatal Social Stress on Behaviour: Mechanisms and Function.Neuroscience and Biobehavioral Reviews 29 (2): 283294. doi: 10.1016/j.neubiorev.2004.09.015.
  • , , und . . „Application of an Antiandrogen During Pregnancy Infantilizes the Male Offsprings' Behaviour.Behavioural Brain Research 158 (1): 8995. doi: 10.1016/j.bbr.2004.08.009.

  • , , und . . „The welfare of laboratory guinea pigs.“ In The welfare of laboratory animals, herausgegeben von E Kalista. Dordrecht, The Netherlands: Kluwer Academic.

  • , , , und . . „Pregnant female guinea pigs adapt easily to a new social environment irrespective of their rearing conditions.Physiology and Behavior 80 (1): 14753. doi: 10.1016/S0031-9384(03)00228-2.
  • , , , und . . „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 (1-2): 199210. doi: 10.1016/S0166-4328(03)00077-9.
  • , , , , und . . „Early Social Stress in Male Guinea-Pigs Changes Social Behaviour, and Autonomic and Neuroendocrine Functions.Journal of Neuroendocrinology 15 (8): 761769. doi: 10.1046/j.1365-2826.2003.01055.x.
  • , , , und . . „Sex-Specific Difference in Social Support - a Study in Female Guinea Pigs.Physiology and Behavior 79 (2): 297303. doi: 10.1016/S0031-9384(03)00091-X.
  • , , und . . „Maternal Separation in Guinea-Pigs: A Study in Behavioural Endocrinology.Ethology 109 (5): 443453. doi: 10.1046/j.1439-0310.2003.00888.x.
  • , , , und . . „Is A Wild Mammal Kept and Reared in Captivity Still a Wild Animal?Hormones and Behavior 43 (1): 187196. doi: 10.1016/S0018-506X(02)00017-X.
  • , , , und . . „The Social Environment Affects Behaviour and Androgens, But Not Cortisol in Pregnant Female Guinea Pigs.Psychoneuroendocrinology 28 (1): 6783. doi: 10.1016/S0306-4530(02)00010-0.

  • , und . . „Social Stress During Pregnancy and Lactation Affects in Guinea Pigs the Male Offsprings' Endocrine Status and Infantilizes their Behaviour.Psychoneuroendocrinology 26 (5): 503519. doi: 10.1016/S0306-4530(01)00009-9.
  • , , , , , , , , und . „Key sources of variability in coping.“ In Coping with challenge: welfare in animals including humans, herausgegeben von DM. Broom. Berlin: Selbstverlag / Eigenverlag.
  • , und . . „Stress und Wohlergehen.Praxis der Naturwissenschaften: Biologie in der Schule 50 (5): 1520.

  • , , und . . „Effects of ACTH Applications During Pregnancy on the Female Offsprings' Endocrine Status and Behavior in Guinea Pigs.Physiology and Behavior 70 (1-2): 157162. doi: 10.1016/S0031-9384(00)00248-1.

  • , und . . „The Social Environment During Pregnancy and Lactation Affects the Female Offsprings' Endocrine Status and Behaviour in Guinea Pigs.Physiology and Behavior 63 (3): 3616. doi: 10.1016/S0031-9384(97)00435-6.

  • , und . . „The Social Environment, Behaviour and Stress - a Case Study in Guinea Pigs.Acta physiologica Scandinavica. Supplementum 161: 8387.

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