News & Publications

2022

  • Miss, F. M., Sadoughi, B., Meunier, H. & Burkart, J. M. (in press) Individual differences in coorepresentation in three monkey species in the joint Simon task: The role of social factors and inhibitory control. Animal Cognition, doi.org/10.1007/s10071-022-01622-8
  • Miss, F., Meunier, H., & Burkart, J. M. (2022). Primate origins of corepresentation and cooperative flexibility. Journal of Comparative Psychology, doi.org/10.1037/com0000315

  • Aellen, M., Burkart, J. M., Bshary, R. (2022). No evidence for general intelligence in a fish. Ethology doi.org/10.1111/eth.13275

  • Frye, B. M., McCoy, D. E., Kotler, J., Embury, A., Burkart, J. M., Burns, M., Eyre, S., Galbusera, P., Hooper, J., Idoe, A., López Goya, A., Mickelberg, J., Peromingo Quesada, M., Stevenson, M., Sullivan, S., Warneke, M., Wojciechowski, S., Wormell, D., Haig, D., & Tardif, S. D. (2022). After short interbirth intervals, monkeys have higher infant mortality. iScience.
    https://dx.doi.org/10.2139/ssrn.3889702

    https://www.sciencedirect.com/science/article/pii/S2589004221016941

  • Hrdy, S, B. & Burkart, J. M. (2022). How Reliance on Allomaternal Care Shapes Primate Development With Special Reference to the Genus Homo. In: Hart, S. L. & Bjorklund, D. F. Evolutionary Perspectives on Infancy. Springer.
    Hrdy & Burkart 2022 (PDF, 1 MB)

2021

2020

  • Samin Gokcekus, Rahel K. Brügger, & Judith M. Burkart, Active sharing of a novel, arbitrary innovation in captive cotton-top tamarins? Volume 157 (2020): Issue 14-15 (Nov 2020) Behaviour
    Active sharing of a novel, arbitrary innovation in captive cotton-top tamarins?

  • Watson, S. K., Burkart, J. M. & Schapiro, S. J., Lambeth, S. P., Mueller, J. L. & Townsend, S. W. Non-adjacent dependency processing in monkeys, apes and humans. Science Advances, 6 : eabb0725
    Nonadjacent dependency processing in monkeys, apes, and humans (PDF, 777 KB)

  • Ben Mocha, Y. (2020) Why do human and non-human species conceal mating? The cooperation maintenance hypothesis. Proc. R. Soc. B.
    28720201330 http://doi.org/10.1098/rspb.2020.1330

  • Schubiger, M. N., Fichtel, C., & Burkart, J. M. (2020). Validity of Cognitive Tests for Nonhuman Animals: Pitfalls and Prospects. Frontiers in Psychology, 11, 1835.

  • Haun, D., Liebal, K., Amici, F., Bender, A., Bohn, M., Bräuer, J. Buttelman,, D. Burkart, J. M. et al. (2020). A pleading for the relevance of comparative psychology for the understanding of human development. Psychologische Rundschau, 71, 40–41.

  • Hrdy Blaffer, S. & Burkart, J. M. (2020) The emergence of emotionally modern humans: Implications for language and learning. Philosophical Transactions of the Royal Society B

  • Burkart, J. M. & van Schaik, C. P. (2020) Marmoset prosociality is intentional. Animal Cognition

  • Šlipogor, V., Burkart, J. M., Weiss, A., Bugnyar, T. & Koski, S. E. (2020). Getting the Best of Both Worlds? Personality Method Validation in Common Marmosets (Callithrix jacchus). Journal of Comparative Psychology. top

2019

  • Ermattinger, F. A., Brügger, R. K. & Burkart, J. M. (2019). Infrared thermography reveals emotions in common marmosets. Physiology and Behavior, 211, 112672.

  • McCoy, D. E., Frye, B. M., Kotler, j., Embury A., Burkart, J., Burns, M., Eyre, S., Galbusera, P., Hooper, J., Idoe,A., López Goya, A., Mickelberg, J., Peromingo, M., Stevenson, M., Sullivan, S., Warneken, M., Wojciechowski, S., Wormell, D., Haig, D., and Tardif, S. D. (2019). Demographics of a large dataset of Callitrichine monkeys: The influence of siblings. American Journal of Primatology, doi.org/10.1002/ajp.23038.

  • Šlipogor, V., Burkart, J. M., Weiss, A., Bugnyar, T. & Koski, S. E. (in press). Getting the Best of Both Worlds? Personality Method Validation in Common Marmosets (Callithrix jacchus). Journal of Comparative Psychology.

  • Heldstab, S., Isler, K., Burkart, J. M. & van Schaik, C. P. (2019). Allomaternal care, brains and fertility in mammals: Who cares matters Behavioral Ecology and Sociobiology

  • Guerreiro Martins, E., Moura, A., Finkenwirth, C. & Burkart, J. M. (2019) Food sharing in three species of callitrichid monkeys: Individual differences and interspecific variation. Journal of Comparative Psychology.

  • Schubiger, M. N. & Burkart, J. M. (2019). Does opportunistic testing bias cognitive performance in primates? Learning from drop-outs. PlosOne. 14(3), e0213727.

  • Damerius, L. A., Burkart, J. B., van Noordwijk, M., Haun, B. M. & van Schaik, C. P. (2019). Cognitive abilities in orangutans (Pongo abelii and Pongo pygmaeus). Intelligence https://doi.org/10.1016/j.intell.2018.10.008.

  • van Schaik, C. P. & Burkart, J. M. (2019).The evolution of human normativity: the role of prosociality and conformity. In: Bayertz, K. & Roughley, N. (eds.). The normative animal? On the anthropological significance of social, moral, and linguistic norms. Oxford University Press.

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2018

  • Zürcher, Y., Willems, E. P. & Burkart, J. M. (2018) Vocal accommodation in marmosets: Does similarity buffer tension during pair bond development? In: Cuskle, C., Flaherty, M., McCrohon, L., Little, H., Ravignani, A. & Verhoef, T. (eds.). The Evolution of Langauge. Proceedings of the 12th International Conference Torun, Poland 2018, Nicolaus Copernicus University in Torun, 551-554.

  • van Schaik, C. P. & Burkart, J. M. (2018). The moral capacity as a biological adaptation: A commentary. Philosophical Psychology, 31(5), 703-721.

  • J. M. Burkart, R. K. Brügger, C. P. van Schaik (2018). Evolutionary origins of morality. Insights from nonhuman primates, Frontiers in Psychology, 3:17, https://doi.org/10.3389/fsoc.2018.00017

  • Finkenwirth, C., & Burkart, J. M. (2018) Why help? Relationship quality, not strategic grooming predicts helping in marmosets. Physiology and Behavior. https://doi.org/10.1016/j.physbeh.2018.02.050

  • Arbib, M. A., Aboitiz, F., Burkart, J., Corballis, M., Coudé,G., Hecht, E., Liebal, K., Myowa-Yamakoshi, M., Pustejovsky, J., Putt, S., Rossano, F., Russon, A. E., Schoenemann, P. T., Seifert, U., Semendeferi, K., Sinha, C., Stout, D., Volterra, V., Wacewicz, S. & Wilson, B. (in press). The comparative neuroprimatology 2018 (CNP-2018) road map for research on how the brain got language. Interaction Studies, 19, 1-2.

  • Miss, F. & Burkart, J. M. (2018). Co-representation during joint action in marmoset monkeys (Callithrix jacchus). Psychological Science. https://doi.org/10.1177/0956797618772046

  • Bruegger, R. K., Kappeler-Schmalzriedt, T. & Burkart, J. M. (2018). Reverse audience effects on helping in cooperatively breeding common marmosets. Biology Letters, 14(3), https://dx.doi.org/10.1098/rsbl.2018.0030.

  • Burkart, J. M., Guerreiro Martins, E., Miss, F., & Zuercher, Y. (2018). From sharing food to sharing information: cooperative breeding and the roots of language. Interaction Studies, 19, 1-2.
    Burkart et al 2018_interaction_studies (PDF, 604 KB)

  • Ruch, H., Zuercher, Y. & Burkart, J. M. (2017). The function of vocal accommodation in humans and other primates. Biological Reviews. DOI:10.1111/brv.12382

  • Burkart, J. M. All for One and One for All Box 13.1 Cooperative Breeding and Cognition. In: Bueno-Guerra, N. & Amici, F. (eds.) Field and Laboratory Methods in Animal Cognition: A Comparative Guide (2018): 293. Cambridge University Press

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2017

  • Burkart, J. M., van Schaik, C. P. & Griesser, M. (in press). Looking for unity in diversity: cooperative breeding in humans in a comparative perspective. Proceedings of the Royal Society B. DOI:10.1098/rsp.2017.1184

  • Burkart, J., Schubiger, M., & Van Schaik, C. (2017). Future directions for studying the evolution of general intelligence. Behavioral and Brain Sciences, 40. doi:10.1017/S0140525X17000024

  • Koski, S., Buchanan-Smith, H. M., Ash, H., Burkart, J. M., Bugnyar, T., Weiss, A. (2017) Marmoset personality structure. Journal of Comparative Psychology. Koski et al. in press (PDF, 814 KB)

  • Zuercher, Y. & Burkart, J. M. (2017) Population differences in vocalizations in marmoset monkeys: Evidence for vocal production learning? International Journal of Primatology. doi:10.1007/s10764-017-9979-4

  • Burkart, J. M. (2017). The Evolution and consequences of sociality. In: Call, J. APA Handbook of Comparative Psychology. Washingtion: American Psychological Association, 257-273. Burkart final (DOCX, 227 KB)

  • van Schaik, C. P. & Burkart, J. M. (in press).The special role of morality in the evolution of human normativity. In: Bayertz, K. & Roughley, N. (eds.). The normative animal? On the anthropological significance of social, moral, and linguistic norms. Oxford University Press. van Schaik & Burkart final (PDF, 534 KB)

  • Finkenwirth, C., Burkart, J. M. (2017) Longterm-stability of relationship structure in family groups of common marmosets. Physiology and Behavior. doi: 10.1016/j.physbeh.2017.01.032 accepted
    Long-term-stability of relationship structure in family groups of common marmosets, and its link to proactive prosociality, accepted. (PDF, 612 KB)

  • Damerius, L. A., Forss, S. I. F., Kosonen, Z. K., Willems, E. P., Burkart, J. M., Call, J., Galdikas, B. M., Liebal, K., Haun, D. B., & van Schaik, C. P. Orientation toward humans predicts cognitive performance in orangutans. Scientific Reports, 7:40052.
    Orientation toward humans predicts cognitive performance in orang-utans (PDF, 765 KB)

  • van Schaik, C. P., Graber, S. M., Schuppli, C. & Burkart, J. M. (2017). The ecology of social learning in animals and its link with intelligence. The Spanish Journal of Psychology, e99, 1-12.

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2016

  • Finkenwirth, C., Martins, E., Deschner, T., & Burkart, J. M. (2016). Oxytocin is associated with infant-care behavior and motivation in cooperatively breeding marmoset monkeys. Hormones and behavior, 80, 10-18.
  • Townsend, S. W., Koski, S. E., Byrne R. W., Slocombe, K. E., Bickel, B., Böckle, M., Braga Concalves, I., Burkart, J. M., Flower, T., Gaunet, F., Glock, H. J., Gruber, T., Jansen D. A. W. A. M., Liebal, K., Linke, A., Miklosi, A., Moore, R., van Schaik, C. P., Stoll, S., Vail, A., Waller, B., Wild, M., Zuberbühler, K. & Manser, M. B. (2016). Exorcising Grice’s ghost:  an empirical approach to studying intentional communication in animals. Biological Reviews. doi: 10.1111/brv.12289.
  • Burkart, J. M., Schubiger, M. N. & van Schaik, C. P. (2016). The evolution of general intelligence. Target article. Behavioral and Brain Sciences, doi:10.1017/S0140525X16000959.
    The evolution of general intelligence (PDF, 1020 KB)
  • Schubiger, M. N., Kissling, A. & Burkart, J. M. (2016). How task format affects cognitive performance: A memory test with two species of New World monkeys. Animal Behaviour, 121: 33-39.
  • Burkart, J. M. (in press). The evolution and consequences of sociality. In: APA Handbook of Comparative Psycholog (eds: Call, J., Burghardt, G., Pepperberg, I., Snowdon, C., & Zentall, T.)
  • Heldstab, S. A., Kosonen, Z. K., Koski, S. E. Burkart, J. M., van Schaik, C. P., & Isler, K. Manipulation complexity in primates coevolved with brain size and terrestriality (2016) Scientific Reports, 6:24528
  • Finkenwirth, C. F., Martins, E., Deschner, T. & Burkart, J. M. (2016). Oxytocin as a mediator of infant care behavior and motivation in cooperatively breeding marmosets. Hormones and Behavior. doi:10.1016/j.yhbeh.2016.01.008
  • Burkart, J. M. & van Schaik, C. P. (2016). Revisiting the consequences of cooperative breeding. A response to Thornton & McAuliffe (2015). Journal of Zoology, DOI: 10.1111/jzo.12322
    Burkart & van Schaik_in press (PDF, 297 KB)
  • van Schaik, C. P., Burkart, J. M., Damerius, L., Forss, S., Koops, K., van Noordwijk, M. & Schuppli, C. (2016). The reluctant innovator: Orangutans and the phylogeny of creativity. Philosophical Transactions of the Royal Society B, 371(1690), 20150183
  • Burkart, J. M. & van Schaik, C. P. (2016). The cooperative breeding perspective helps pinning down when uniquely human evolutionary processes are necessary – and when not. Behavioral and Brain Sciences, 39, e34.

2015

  • Finkenwirth, C. F., van Schaik, C. P., Ziegler, T. E. & Burkart, J. M. (2015). Highly affiliative dyads in common marmoset families show synchronized fluctuations in oxytocin. Physiology and Behavior, 151, 246-251.
  • Rudolf von Rohr, C., van Schaik, C. P. & Burkart, J. M. (2015). Chimpanzees’ Bystander Reactions to Infanticide
    An Evolutionary Precursor of Social Norms? Human Nature. DOI 10.1007/s12110-015-9228-5
  • Burkart, J. M. (2015). Opposite effects of male and female helpers on social tolerance and proactive prosociality in callitrichid family groups. Scientific Reports, 5, 9622. Burkart 2015 (PDF, 610 KB (PDF, 595 KB))
  • Koski, S. & Burkart, J. M. (2015). Common marmosets show social plasticity and group-level similarity in personality. Scientific Reports, 5, 8878. Koski & Burkart 2015 (PDF, 379 KB (PDF, 369 KB))
  • Schubiger, M. N., Wüstholz, F. L., Wunder, A. & Burkart, J. M. (2015) High emotional reactivity towards an experimenter affects participation, but not performance, in cognitive tests with common marmosets (Callithrix jacchus). Animal Cognition. DOI 10.1007/s10071-015-0837-5.

2014

  • Burkart, J. M. & Finkenwirth, C. (2014). Marmosets as model species in neuroscience and evolutionary anthropology. Neuroscience Research.
  • Burkart, J. M., Allon, A., Amici, F., Fichtel, C., Finkenwirth, C., Heschl, A., Huber, J., Isler, K., Kosonen, Z., Martins, E., Meulman, E., Richiger, R., Rueth, K., Spillmann, B., Wiesendanger, S. & van Schaik, C. P. (2014). The evolutionary origin of human hyper-cooperation. Nature Communications 5, 4747.
  • MacLean, E. L., Hare, B., Nunn, C. L., Addessi, E., Amici, F., Anderson, R. C., Aureli, F., Baker, J. M., Bania, A. E, Barnard, A. M., Boogert, N. J., Brannon, E. M., Bray, E. E., Bray, J., Brent, L. J. N., Burkart, J. M., Call, J., Cantlon, J. F., Cheke, L. G., Clayton, N. S., Delgado, M. M., DiVincenti, L. J, Fujita, K., Herrmann, E., Hiramatsu, C., Jacobs, L. F., Jordan, K. E., Laude, J. R., Leimgruber, K. L., Messer, E. J. E., de A. Moura, A. C., Ostoji, L., Picard, A., Platt, M. L., Plotnik, J. M., Range, F., Reader, S. M., Reddy, R. B., Sandel, A. A., Santos, L. R., Schumann, K., Seed, A. M., Sewall, K. B., Shaw, R. C., Slocombe, K. E., Su, Y., Takimoto, A., Tan, J., Tao, R., van Schaik, C. P., Virányi, Z., Visalberghi, E., Wade, J. C., Watanabe, A., Widness, J., Young, J., Zentall, T. R. & Zhao, Y. (2014). The Evolution of Self-Control. Proceedings of the National Academy of Science, 111 (20), 2140-2148.
  • Burkart, J. M. (2013). Eine Evolutionsbiologische Perspektive der menschlichen Kognition: Die Rolle der gemeinschaftlichen Jungenaufzucht. In:Hügli, A. & Horn, A. (eds). Die Anthropologische Wende. Studia philosophica 72, Basel: Schwabe, 31-57.
  • Pontzer, H., Raichlen, D. A., Gordon, A. D., Schroepfer-Walker, K. K., Hare, B., O’Neill, M. C., Muldoon, K. M., Dunsworth, H. M., Wood, B. M., Isler, K., Burkart, J. M., Irwin, M., Shumaker, R. W., Lonsdorf, E. V. & Ross, S. R. (2014). Primate Energy Expenditure and Life History. Proceedings of the National Academy of Science, 111(4), 1433-1437.
  • van Schaik, C., Burkart, J. M., Jaeggi, A. V., amp; von Rohr, C. R. (2014). Morality as a Biological Adaptation–An Evolutionary Model Based on the Lifestyle of Human Foragers. In Empirically Informed Ethics: Morality between Facts and Norms (pp. 65-84). Springer International Publishing.

2013

  • Burkart, J. M. & Rueth, K. (2013). Preschool children fail primate prosocial game because of attentional task demands. PLOS One, 8(7), e68440.
  • Burkart, J. M. & van Schaik, C. P. (2013). Group service in macaques, capuchins, and marmosets: A comparative approach to identifying proactive prosocial motivations. Journal of Comparative Psychology, 127(2), 212-.227.
  • Kupferberg, A, Glasauer, S. & Burkart, J. M. (2013). Do robots have goals? How agent cues influence action understanding in nonhuman primates. Behavioral Brain Research, 246, 47-54.
  • Bullinger, A., Burkart, J. M., Melis, A., & Tomasello, M. (2013). Bonobos (Pan paniscus), chimpanzees (Pan troglodytes) and marmosets (Callithrix jacchus) prefer to feed alone. Animal Behaviour, 85, 51-60.

2012

  • Strasser, A. & Burkart, J. M. (2012). Can we measure brain-efficiency? An empirical test with common marmosets (Callithrix jacchus). Brain, Behavior and Evolution, 80, 26-40.
  • van Schaik, C. P., Isler, K. & Burkart, J. M. (2012) Explaining brain size variation: From social to cultural brain Trends in Cognitive Sciences. 16 (5), 277-284.
  • Burkart, J. M., Kupferberg, A., Glasauer, S. & van Schaik, C. P. (2012) Even simple forms of social learning rely on intention attribution in marmoset monkeys. Journal of Comparative Psychology. 126 (2), 129-138.
    Frank A. Beach Comparative Psychology Award for the best paper published in Comparative Psychology in 2012
  • Rudolf von Rohr, C., Koski, S. E., Burkart, J. M., Caws, C., Fraser, O. N., Ziltener, A. & van Schaik, C.P. (2012). Impartial third party interventions in captive chimpanzees. PlosOne 7, e32494, 1-9.
  • Cacchione, T. & Burkart, J. M. (2012). Dissociation between seeing and acting: Insights from Common Marmosets (Callithrix jacchus). Behavioural Processes. 89, 52-60.
  • Burkart, J. M. & van Schaik, C. P. (2012). Group service in macaques, capuchins, and marmosets: A comparative approach to identifying proactive prosocial motivations. Journal of Comparative Psychology. Published ahead of print.

2011

  • van Schaik, C. P & Burkart, J. M. (2011). Social learning and evolution: The cultural intelligence hypothesis. Philosophical Transactions of the Royal Society B, 366, 1008-1016.
  • Rudolf von Rohr, C., Burkart, J. M. & van Schaik, C. P. (2011) Evolutionary Precursors of Social Norms in Chimpanzees: A New Approach. Biology and Philosophy 26, 1-30.
  • Lehner, S. R., Burkart, J. M. & van Schaik, C. P. (2011). Can captive orangutans (Pongo pygmaeus abelii) be coaxed into cumulative build-up of techniques? Journal of Comparative Psychology. 125, 446-455.
  • van Schaik, C. P. & Burkart, J. M. (2011). Sind höhere Tiere mehr wert als niedere? Versuch zur Exegese. In: Sigg, H. & Folkers, G. (eds). Güterabwägung bei der Bewilligung von Tierversuchen. Die Güterabwägung interdisziplinär kritisch beleuchtet. 71-75.
  • van Schaik, C. P. & Burkart, J. M. (2011) Die Evolution des Menschen und seiner Kultur. In: Reyer, H.-U. & Schmid-Hempel, P. (eds.). Darwins langer Arm – Evolutionstheorie heute. 137-154.

2010

  • Lehner, S R; Burkart, J M; van Schaik, C P (2010). An evaluation of the geographic method for recognizing innovations in nature, using zoo orangutans. Primates, 51(2):101-118.
  • Jaeggi, A., Burkart, J. M. & van Schaik, C. P. (2010). On the psychology of cooperation in humans and other primates: the natural history and experimental evidence of prosociality. Philosophical Transactions of the Royal Society B, 12, 365: 2723-2735.
  • Burkart, J M; van Schaik, C P (2010). Cognitive consequences of cooperative breeding in primates? Animal Cognition, 13(1):1-19.
    Most downloaded paper form Animal Cognition in 2011

2009

  • Kappeler, P. M., Silk, S. J., Burkart, J. M. & van Schaik, C. P. (2009) Primate Behavior and Human Universals: Exploring the Gap. In: Kappeler PM, Silk J, editors. Mind the Gap: Tracing the Origins of Human Universals. 3-15.
  • van Schaik CP & Burkart JM (2009) Mind the Gap: Cooperative breeding and the evolution of our unique features. In: Kappeler PM, Silk J, editors. Mind the Gap: Tracing the Origins of Human Universals.477-496.
  • Burkart, J. M., Hrdy, S. B. & van Schaik, C. P. (2009). Cooperative breeding and human cognitive evolution. Evolutionary Anthropology 18, 175-186.
  • Burkart, J. M., Strasser, A. & Foglia, M. (2009) Trade-offs between social learning and individual innovativeness in common marmosets (Callithrix jacchus). Animal Behaviour, 77, 1291-1301.
  • Burkart, J. M. (2009). Cooperative breeding and socio-cognitive abilities. In: Louise S. Röska-Hardy and Eva M. Neumann-Held (eds.). Learning from Animals? London: Psychology Press. 123-141.

2008

  • Burkart, J. M. & Strasser, A. (2008). Primate behavior and human universals, Evolutionary Anthropology: News, 17, 85-87.
  • Burkart, J. M. & van Schaik, C. (2008). Determinanten innovativen Verhaltens bei nichtmenschlichen Primaten. In H. Schmidinger & C. Sedmak (Eds.), Topologien des Menschlichen. Darmstadt: Wissenschaftliche Buchgesellschaft. 275-298.

2007

  • Burkart, J. M., Fehr, E., Efferson, C., & van Schaik, C. P. (2007). Other-regarding preferences in a nonhuman primate: Common marmosets provision food altruistically. PNAS 104 (50), 19762-19766.
  • Deaner, R. O., Isler, K., Burkart, J. & Van Schaik, C. P. (2007). Overall brain size, and not encephalization quotient, best predicts cognitive ability across non-human primates. Brain, Behaviour and Evolution, 70 (2), 115-124.
  • Burkart, J. & Heschl, A (2007). Perspective taking or behaviour reading? Understanding visual access in common marmosets (Callithrix jacchus). Animal Behaviour, 73, 457-469.

2006

  • Burkart, J. & Heschl, A. (2006). Geometrical gaze following in common marmosets (Callithrix jacchus). Journal of Comparative Psychology, 120 (2), 120 - 130.
  • Burkart, J. (2006). Wie beim Menschen so beim Tier. Chez l'homme comme chez l'animal. VSAO Journal 25 (4), 19 - 21.
  • Heschl, A. & Burkart, J. (2006). A new mark test for mirror self-recognition in non-human primates. Primates, 47, 187-198
  • Burkart, J. & Heschl, A. (2005). Behavior reading, not perspective taking in common marmosets (Callithrix jacchus). Primate Report 72: 22.
  • Burkart, J. & Heschl, A. (2004). Non-human primates performance in object choice tasks: The role of chance probabilities and prepotent action tendencies. Folia primatologica 75: 361.
  • Burkart, J. (2004). Evolutionäre Vorläufer der Theory of Mind. Experimente zur sozialen Kognition bei Weissbüschelaffen. Ph.D. thesis, University of Zurich, CH.
  • Macho, S. & Burkart, J. (2002). Recursive retrospective revaluation of causal judgements. Journal of Experimental Psychology: Learning, Memory, and Cognition 28 (6), 1171-1186.
  • Burkart, J. (2001). Krallenäffchen vor dem Spiegel. Versuche zur Phylogenese des sich Erkennens im Spiegel. Diploma thesis, University of Fribourg, CH.