© Sylvia Kaiser

Prof. Dr. sylvia kaiser

kaisesy@uni-muenster.de

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

Room 151

Office hours: upon consultation

 
  • CV

    Education

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

    Positions

    since
    Adjunct professor, University of Münster
    -
    Associate professor, 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

    External functions

    since
    Member of the steering committee of the Münster Graduate School of Evolution (MGSE), University of Münster
    since
    Member of the University Animal Experimentation Committee, University of Münster
    since
    Equal opportunity commissioner of the school of Biology
    since
    Member of the "Ethologische Gesellschaft" (Ethological Society)
    since
    Member of the "Deutsche Zoologische Gesellschaft" (German Zoological Society)
    -
    Member of the Animal Welfare Committee, University of Münster
    -
    Member of the steering committee of the Otto Creutzfeldt Center for Cognitive and Behavioral Neuroscience (OCC), University of Münster
    -
    Manager of the Ethological Society
    -
    Member of the "Society for Behavioral Neuroendocrinology"
    -
    Editorial board: Behaviour
    -
    Member of the "Verband Deutscher Biologen" (Association of German Biolgists)
    -
    Speaker of the section „Behavioural Biology“ of the German Zoological Society
    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
  • Projects

    Granted
    • Kastration oder Sterilisation? Eine grundlagenorientierte Studie zu den Auswirkungen auf Wohlergehen und Partnerwahl von Hausmeerschweinchen ( - )
      Third-party funding : DFG - Individual Grants Programme | Project Number: KA 1546/10-1
    In Progress
    • Domestication and Behaviour (since )
      Own funding
    • Stress, Stress Avoidance and Animal Welfare (since )
      Own funding
    • CRC TRR 212 S - Technology Service Platforms ( - )
      Third-party funding : DFG - Collaborative Research Centre | Project Number: TRR 212/1
    • CRC TRR 212 B01 - Social niche conformance and social niche transition during adolescence and beyond: effects on biobehavioural profile and fitness ( - )
      Third-party funding : DFG - Collaborative Research Centre | Project Number: TRR 212/1
    • NC3 - CRC 212 - A Novel Synthesis of Individualisation across Behaviour, Ecology and Evolution: Niche Choice, Niche Conformance, Niche Construction ( - )
      Third-party funding : DFG - Collaborative Research Centre | Project Number: TRR 212/1
    • MGSE - Münster Graduate School of Evolution - Unterstützung des Evolution Think Tank ( - )
      Third-party funding : Santander Consumer Bank AG
    Finished
    • FOR 1232 TPZ - Administration of the Research Unit and central platforms for "Genetic paternity determination" and "Endocrinological determination" ( - )
      Third-party funding : DFG - Research Unit | Project Number: KA 1546/9-1
    • FOR 1232 WP03 - The social modulation of behaviour, cognition and stress reactivity during pregnancy and lactation ( - )
      Third-party funding : DFG - Research Unit | Project Number: KA 1546/6-2; 597926
    • FOR 1232 TPZ - Administration of the Research Unit and central platforms for "Genetic paternity determination" and "Endocrinological determination" ( - )
      Third-party funding : DFG - Research Unit | Project Number: KA 1546/7-1:1
    • FOR 1232 WP03 - Social Environmental during Pregnancy Shapes Behavioural Profile in Adulthood: Constraint or Adaption? ( - )
      Third-party funding : DFG - Research Unit | Project Number: KA 1546/6-1:1
  • Publications

    • Feige-Diller J, Krakenberg V, Bierbaum L, Seifert L, Palme R, Kaiser S, Sachser N, Richter SH. . ‘The effects of different feeding routines on welfare in laboratory mice.’ Frontiers in Veterinary Science 6: 479.
    • Mutwill AM, Zimmermann TD, Hennicke A, Richter SH, Kaiser S, Sachser N. . ‘Adaptive reshaping of the hormonal phenotype after social niche transition in adulthood.’ Proceedings of the Royal Society B: Biological Sciences 287. doi: 10.1098/rspb.2020.0667.

    • Bodden C, von Kortzfleisch V, Karwinkel F, Kaiser S, Sachser N, Richter SH. . ‘Heterogenising study samples across testing time improves reproducibility of behavioural data.’ Scientific Reports 9: 8247.
    • Krakenberg V, Woigk I, Garcia Rodriguez L, Kästner N, Kaiser S, Sachser N, Richter SH. . ‘Technology or ecology? New tools to assess cognitive judgement bias in mice.’ Behavioural Brain Research 362: 279-287.
    • Krakenberg V, von Kortzfleisch V, Kaiser S, Sachser N, Richter SH. . ‘Differential effects of serotonin transporter genotype on anxiety-like behavior and cognitive judgment bias in mice.’ Frontiers in Behavioral Neuroscience 13: 263.
    • Kästner N, Richter SH, Urbanik S, Kunert J, Waider J, Lesch K-P, Kaiser S, Sachser N. . ‘Brain serotonin deficiency affects female aggression.’ Scientific Reports 9, No. 1366.
    • Melotti L, Kästner N, Eick AK, Schnelle AL, Palme R, Sachser N, Kaiser S, Richter SH. . ‘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. . ‘High reproductive success despite queuing – Socio-sexual development of males in a complex social environment.’ Frontiers in Psychology 10: 2810.
    • Von Kortzfleisch V, Kästner N, Prange L, Kaiser S, Sachser N, Richter SH. . ‘Have I been here before? Effects of repeated testing and age on the results of behavioural tests.’ Behavioural Brain Research 367: 143-148.

    • Bodden C, Siestrup S, Palme R, Kaiser S, Sachser N, Richter SH. . ‘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. . ‘Varying social experiences in adulthood do not differentially affect anxiety-like behavior but stress hormone levels.’ Frontiers in Behavioral Neuroscience 12: 72.
    • Richter SH, Sachser N, Kaiser S. . „Emotionen.“ In Handbuch Tierethik, herausgegeben von Ach JS, Borchers D, 64-69. Stuttgart: J.B. Metzler.
    • Sachser N, Hennessy MB, Kaiser S. . ‘The adaptive shaping of social behavioural phenotypes during adolescence.’ Biology Letters 14. doi: 10.1098/rsbl.2018.0536.
    • Sachser N, Richter SH, Kaiser S. . „Artgerecht/tiergerecht.“ In Handbuch Tierethik, herausgegeben von Ach JS, Borchers D, 155-160. Stuttgart: J.B. Metzler.
    • Sangenstedt S, Szardenings C, Sachser N, Kaiser, S. . ‘Does the early social environment prepare individuals for the future? A match-mismatch experiment in female wild cavies.’ Frontiers in Zoology 15:13. doi: https://doi.org/10.1186/s12983-018-0261-1.

    • Kästner, N, Richter, SH, Gamer, M, Kaiser, S, Sachser, N. . ‘What a difference a day makes - female behaviour is less predictable near ovulation.’ Royal Society open science 4. doi: 10.1098/rsos.160998.
    • Meyer N, Jenikejew J, Richter SH, Kaiser S, Sachser N. . ‘Social experiences during adolescence affect anxiety-like behavior but not aggressiveness in male mice.’ Behavioural Brain Research 326: 147-153. doi: 10.1016/j.bbr.2017.03.017.
    • Sangenstedt S., Jaljuli I., Sachser N., Kaiser S. . ‘Stress responsiveness and anxiety-like behavior: The early social environment differentially shapes stability over time in a small rodent.’ Hormones and Behavior 90, No. null: 90-97. doi: 10.1016/j.yhbeh.2017.02.010.
    • Siegeler K, Lewejohann L, Failing K., Sachser N, Kaiser S. . ‘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. . ‘Adaptive shaping of the behavioural and neuroendocrine phenotype during adolescence.’ Proceedings of the Royal Society B: Biological Sciences 284, No. 1849. doi: 10.1098/rspb.2016.2784.
    • Zimmermann TD, Kaiser S, Sachser N. . ‘The adaptiveness of a queuing strategy shaped by social experiences during adolescence.’ Physiology and Behavior 181: 29-37. doi: 10.1016/j.physbeh.2017.08.025.

    • Graulich DM, Kaiser S, Sachser N, Richter SH. . ‘Looking on the bright side of bias - validation of an affective bias test for laboratory mice.’ Applied Animal Behaviour Science 181: 173-181.
    • Meyer N, Richter SH, Schreiber RS, Kloke V, Kaiser S, Lesch KP, Sachser N. . ‘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, No. 97. doi: 10.3389/fnbeh.2016.00097.
    • Richter, SH, Kästner, N, Kriwet, M, Kaiser, S, Sachser, N. . ‘Play matters - the surprising relationship between juvenile playfulness and anxiety in later life.’ Animal Behaviour 114: 261-271. doi: 10.1016/j.anbehav.2016.02.003.
    • Richter SH, Kästner, N, Loddenkemper, DH, Kaiser, S, Sachser, N. . ‘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.

    • Bodden, C; Richter, SH; Schreiber, RS; Kloke, V; Gerss, J; Palme, R; Lesch, KP; Lewejohann, L; Kaiser, S; Sacher, N. . ‘Benefits of adversity?! How life history affects the behavioral profile of mice varying in serotonin transporter genotype.’ Frontiers in Behavioral Neuroscience 9, No. 47. doi: 10.3389/fnbeh.2015.00047.
    • Hennessy MB, Kaiser S, Tiedtke T, Sachser N. . ‘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.
    • Kaiser,S; Siegeler, K; Schwerdt, B; Sachser N. . ‘Social instability during pregnancy and lactation alters female wild cavy offsprings endocrine status and behaviour later in life.Behaviour 152, No. 7-8: 837-859.
    • Kaiser S, Hennessy MB, Sachser N. . ‘Domestication affects the structure, development and stability of biobehavioural profiles.’ Frontiers in Zoology 12 (Suppl1): 19.
    • Kästner N., Richter S.H., Lesch K.P., Schreiber R.S., Kaiser S., Sachser N. . ‘Benefits of a "vulnerability gene"? A study in serotonin transporter knockout mice.’ Behavioural Brain Research 283. doi: 10.1016/j.bbr.2015.01.031.

    • Guenther A, Palme R, Dersen M, Kaiser S, Trillmich F. . ‘Photoperiodic effects on reproductive development in male cavies (Cavia aperea).’ Physiology and Behaviour 123: 142-147.
    • Kloke V., Schreiber R., Bodden C., Möllers J., Ruhmann H., Kaiser S., Lesch K., Sachser N., Lewejohann L. . ‘Hope for the best or prepare for the worst? Towards a spatial cognitive bias test for mice.’ PLoS ONE 9, No. 8. doi: 10.1371/journal.pone.0105431.
    • Zipser B, Schleking A, Kaiser S, Sachser N. . ‘Effects of domestication on biobehavioural profiles: a comparison of domestic guinea pigs and wild cavies from early to late adolescence.’ Frontiers in Zoology 11.

    • Hohoff C, Gorji A, Kaiser S, Willscher E, Korsching E, Ambree O, Arolt V, Lesch KP, Sachser N, Deckert J, Lewejohann L. . ‘Effect of acute stressor and serotonin transporter genotype on amygdala first wave transcriptome in mice.’ PLoS ONE 8, No. 3: e58880.
    • Karabeg MM, Grauthoff S, Kollert SY, Weidner M, Heiming RS, Jansen F, Popp S, Kaiser S, Lesch KP, Sachser N, Schmitt AG, Lewejohann L. . ‘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, No. 10: e78238.
    • Kloke V, Heiming RS, Bölting S, Kaiser S, Lewejohann L, Lesch KP, Sachser N. . ‘Unexpected effects of early-life adversity and social enrichment on the anxiety profile of mice varying in serotonin transporter genotype.Behavioural brain research 247C: 248-258. doi: 10.1016/j.bbr.2013.03.039.
    • Sachser N, Kaiser S, Hennessy MB. . ‘Behavioural profiles are shaped by social experience: when, how and why.Philosophical transactions of the Royal Society of London B : Biological sciences 368, No. 1618: 20120344. doi: 10.1098/rstb.2012.0344.
    • Siegeler K, Wistuba J, Damm OS, von Engelhardt N, Sachser N, Kaiser S. . ‘Early social instability affects plasma testosterone during adolescence but does not alter reproductive capacity or measures of stress later in life.Physiology & behavior 120C: 143-149. doi: 10.1016/j.physbeh.2013.08.008.
    • Zipser B, Kaiser S, Sachser N. . ‘Dimensions of Animal Personalities in Guinea Pigs.’ Ethology 119, No. 11: 970-982.

    • 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. . ‘A Comparison of Brain Gene Expression Levels in Domesticated and Wild Animals.PLoS Genetics 8(9): e1002962.
    • Stock C, Kaiser S. . „Humanbiologische Grundlagen der Gesundheitswissenschaften.In Handbuch Gesundheitswissenschaften., herausgegeben von Hurrelmann K, Razum O, 99-122. Weinheim, München: Juventa.

    • Heiming RS, Bodden C, Jansen F, Lewejohann L, Kaiser S, Lesch KP, Palme R, Sachser N. . ‘Living in a dangerous world decreases maternal care: A study in serotonin transporter knockout mice.Hormones and Behavior Volume 60, No. 4: 397–407. doi: http://dx.doi.org/10.1016/j.yhbeh.2011.07.006.
    • Jansen F, Heiming RS, Kloke V, Kaiser S, Palme R, Lesch KP, Sachser N. . ‘Away game or home match: The influence of venue and serotonin transporter genotype on the display of offensive aggression.’ BEHAVIOURAL BRAIN RESEARCH 219, No. 2: 291-301. doi: 10.1016/j.bbr.2011.01.029.
    • Lürzel S, Kaiser S, Krüger, C., Sachser N. . ‘Inhibiting influence of testosterone on stress responsiveness during adolescence.Hormones and Behavior 60, No. 5: 691-698.
    • Lürzel S, Kaiser S, Sachser N. . ‘Social interaction decreases stress responsiveness during adolescence.Psychoneuroendocrinology 36, No. 9: 1370-7. doi: 10.1016/j.psyneuen.2011.03.010.
    • Sachser N, Hennessy MB, Kaiser S. . ‘Adaptive Modulation of Behavioural Profiles by Social Stress During Early Phase of Life and Adolescence.’ NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS 35, No. 7: 1518-1533. doi: 10.1016/j.neubiorev.2010.09.002.
    • Siegeler K, Sachser N, Kaiser S. . ‘The social environment during pregnancy and lactation shapes the behavioural and hormonal profile of male offspring in wild cavies.Developmental Psychobiology 53: 575-584.

    • Kaiser S, Krüger C, Sachser N. . ‘The guinea pig.’ In The care and management of laboratory and other research animals, edited by Hubrecht R, Kirkwood J., 380-398. Chichester UK: Wiley-Blackwell. doi: 10.1002/9781444318777.ch27.
    • Kaiser S., Sachser N. . ‘Sex-Specific Effects of Early Social Stress in Mammals: A Study in Guinea Pigs.’ In Encyclopedia of Stress, edited by Fink, G, 479-484. Elsevier Inc. doi: 10.1016/B978-012373947-6.00478-5.
    • Lewejohann L, Kloke V, Heiming RS, Jansen F, Kaiser S, Schmitt A, Lesch KP, Sachser N. . ‘Social Status and Day-to-Day Behaviour of Male Serotonin Transporter Knockout Mice.’ BEHAVIOURAL BRAIN RESEARCH 211, No. 2: 220-228. doi: 10.1016/j.bbr.2010.03.035.
    • Lewejohann L., Pickel T., Sachser N., Kaiser S. . ‘Wild genius - domestic fool? Spatial learning abilities of wild and domestic guinea pigs.’ Frontiers in Zoology 7, No. null. doi: 10.1186/1742-9994-7-9.
    • Lurzel S, Kaiser S, Sachser N. . ‘Social Interaction, Testosterone, and Stress Responsiveness During Adolescence.’ PHYSIOLOGY & BEHAVIOR 99, No. 1: 40-46. doi: 10.1016/j.physbeh.2009.10.005.
    • Sachser N., Kaiser S. . ‘The social modulation of behavioural development.’ In Animal Behaviour: Evolution and Mechanisms, edited by Kappeler P., 505-536. Springer Berlin Heidelberg. doi: 10.1007/978-3-642-02624-9_17.

    • Heiming RS, Jansen F, Lewejohann L, Kaiser S, Schmitt A, Lesch KP and Sachser N. . ‘Living in a dangerous world: the shaping of behavioral profile by early environment and 5-HTT genotype.’ frontiers in BEHAVIORAL NEUROSCIENCE 3, No. 26. doi: 10.3389/neuro.08.026.2009.
    • Hennessy MB, Kaiser S, Sachser N. . ‘Social Buffering of the Stress Response: Diversity, Mechanisms, and Functions.’ FRONTIERS IN NEUROENDOCRINOLOGY 30, No. 4: 470-482. doi: 10.1016/j.yfrne.2009.06.001.
    • Kaiser S, Sachser N. . ‘Effects of Prenatal Social Stress on Offspring Development: Pathology or Adaptation?CURRENT DIRECTIONS IN PSYCHOLOGICAL SCIENCE 18, No. 2: 118-121. doi: 10.1111/j.1467-8721.2009.01620.x.
    • Kemme K, Kaiser S, von Engelhardt N, Wewers D, Groothuis T, Sachser N. . ‘An Unstable Social Environment Affects Sex Ratio in Guinea Pigs: An Adaptive Maternal Effect?BEHAVIOUR 146, No. 11: 1513-1529. doi: 10.1163/156853909X445579.
    • Trillmich F, Mueller B, Kaiser S, Krause J. . ‘Puberty in female cavies (Cavia aperea) is affected by photoperiod and social conditions.PHYSIOLOGY & BEHAVIOR 96, No. 3: 476-480. doi: 10.1016/j.physbeh.2008.11.014.

    • Adrian O, Kaiser S, Sachser N, Jandewerth P, Lottker P, Epplen JT, Hennessy MB. . ‘Female Influences on Pair Formation, Reproduction and Male Stress Responses in a Monogamous Cavy (Galea Monasteriensis).’ HORMONES AND BEHAVIOR 53, No. 3: 403-412. doi: 10.1016/j.yhbeh.2007.11.009.
    • Kaiser S, Touma C, Galert T, Würbel H. . ‘Animal Suffering - Fact or Fiction?’ In Theology meets biology. Anthropological perspectives on animals and human beings, edited by Müller K, Sachser N., 14. Regensburg: Pustet-Verlag.
    • Kemme K, Kaiser S, Sachser N. . ‘Prenatal Stress Does Not Impair Coping with Challenge Later in Life.’ PHYSIOLOGY & BEHAVIOR 93, No. 1-2: 68-75. doi: 10.1016/j.physbeh.2007.07.013.

    • Kaiser S, Harderthauer S, Sachser N, Hennessy MB. . ‘Social Housing Conditions Around Puberty Determine Later Changes in Plasma Cortisol Levels and Behavior.’ PHYSIOLOGY & BEHAVIOR 90, No. 2-3: 405-411. doi: 10.1016/j.physbeh.2006.10.002.
    • Kemme K, Kaiser S, Sachser N. . ‘Prenatal Maternal Programming Determines Testosterone Response During Social Challenge.’ HORMONES AND BEHAVIOR 51, No. 3: 387-394. doi: 10.1016/j.yhbeh.2006.12.009.

    • Hennessy MB, Bullinger KL, Neisen G, Kaiser S, Sachser N. . ‘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, No. 1: 12-18. doi: 10.1037/0735-7036.120.1.12.
    • Hennessy MB, Hornschuh G, Kaiser S, Sachser N. . ‘Cortisol Responses and Social Buffering: A Study Throughout the Life Span.’ HORMONES AND BEHAVIOR 49, No. 3: 383-390. doi: 10.1016/j.yhbeh.2005.08.006.

    • Kaiser S, Sachser N. . ‘The Effects of Prenatal Social Stress on Behaviour: Mechanisms and Function.’ NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS 29, No. 2: 283-294. doi: 10.1016/j.neubiorev.2004.09.015.
    • Wewers D, Kaiser S, Sachser N. . ‘Application of an Antiandrogen During Pregnancy Infantilizes the Male Offsprings' Behaviour.’ BEHAVIOURAL BRAIN RESEARCH 158, No. 1: 89-95. doi: 10.1016/j.bbr.2004.08.009.

    • Sachser N, Künzl C, Kaiser S. . ‘The welfare of laboratory guinea pigs.’ In The welfare of laboratory animals, edited by Kalista E, 181-209. Dordrecht, The Netherlands: Kluwer Academic Publishers.

    • Kaiser S, Heemann K, Straub RH, Sachser N. . ‘The Social Environment Affects Behaviour and Androgens, But Not Cortisol in Pregnant Female Guinea Pigs.’ PSYCHONEUROENDOCRINOLOGY 28, No. 1: 67-83. doi: 10.1016/S0306-4530(02)00010-0.
    • Kaiser S, Kirtzeck M, Hornschuh G, Sachser N. . ‘Sex-Specific Difference in Social Support - a Study in Female Guinea Pigs.’ PHYSIOLOGY & BEHAVIOR 79, No. 2: 297-303. doi: 10.1016/S0031-9384(03)00091-X.
    • Kaiser S, Kruijver FPM, Straub RH, Sachser N, Swaab DF. . ‘Early Social Stress in Male Guinea-Pigs Changes Social Behaviour, and Autonomic and Neuroendocrine Functions.’ JOURNAL OF NEUROENDOCRINOLOGY 15, No. 8: 761-769. doi: 10.1046/j.1365-2826.2003.01055.x.
    • Kaiser S, Kruijver FPM, Swaab DF, Sachser N. . ‘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, No. 1-2: 199-210. doi: 10.1016/S0166-4328(03)00077-9.
    • Kaiser S, Nubold T, Rohlmann I, Sachser N. . ‘Pregnant Female Guinea Pigs Adapt Easily to a New Social Environment Irrespective of their Hearing Conditions.’ PHYSIOLOGY & BEHAVIOR 80, No. 1: 147-153. doi: 10.1016/S0031-9384(03)00228-2.
    • Kaiser S, Nübold T, Rohlmann I, Sachser N. . ‘Pregnant female guinea pigs adapt easily to a new social environment irrespective of their rearing conditions.Physiology & behavior 80, No. 1: 147-53. doi: 10.1016/S0031-9384(03)00228-2.
    • Kunzl C, Kaiser S, Meier E, Sachser N. . ‘Is A Wild Mammal Kept and Reared in Captivity Still a Wild Animal?HORMONES AND BEHAVIOR 43, No. 1: 187-196. doi: 10.1016/S0018-506X(02)00017-X.
    • Wewers D, Kaiser S, Sachser N. . ‘Maternal Separation in Guinea-Pigs: A Study in Behavioural Endocrinology.’ ETHOLOGY 109, No. 5: 443-453. doi: 10.1046/j.1439-0310.2003.00888.x.

    • Forkmann B, Blokhuis HJ, Broom DM, Kaiser S, Koolhaas JM, Levine S, Mendl M, Plotsky PM, Schedlowski M. . ‘Key sources of variability in coping.’ In Coping with challenge: welfare in animals including humans, edited by Broom DM., 22. Berlin: Dahlem Workshop Report 87. Dahlem University Press.
    • Kaiser S, Sachser N. . ‘Social Stress During Pregnancy and Lactation Affects in Guinea Pigs the Male Offsprings' Endocrine Status and Infantilizes their Behaviour.’ PSYCHONEUROENDOCRINOLOGY 26, No. 5: 503-519. doi: 10.1016/S0306-4530(01)00009-9.
    • Kaiser S, Sachser N. . „Stress und Wohlergehen.“ Praxis der Naturwissenschaften: Biologie in der Schule 50, No. 5: 15-20.

    • Kaiser S, Brendel H, Sachser N. . ‘Effects of ACTH Applications During Pregnancy on the Female Offsprings' Endocrine Status and Behavior in Guinea Pigs.’ PHYSIOLOGY & BEHAVIOR 70, No. 1-2: 157-162. doi: 10.1016/S0031-9384(00)00248-1.

    • Kaiser S, Sachser N. . ‘The Social Environment During Pregnancy and Lactation Affects the Female Offsprings' Endocrine Status and Behaviour in Guinea Pigs.PHYSIOLOGY & BEHAVIOR 63, No. 3: 361-366. doi: 10.1016/S0031-9384(97)00435-6.

    • Sachser N, Kaiser S. . ‘The Social Environment, Behaviour and Stress - a Case Study in Guinea Pigs.’ Acta Physiologica Scandinavica Supplement 161: 83-87.

    • Sachser N, Kaiser S. . ‘Prenatal Social Stress Masculinizes the Females' Behaviour in Guinea Pigs.Physiology & behavior 60, No. 2: 589-94. doi: 10.1016/S0031-9384(96)80036-9.