Costopoulos, J. S., Proctor, D., Johnson, A. M., & Roberts, S. G. (2021). The impact of malingering on inpatient assault rates. Acta Scientific Neurology, 4(6), 70-81.

Proctor, D. & Smurl, M. (2020). The effect of a nighttime zoo event on spider monkey (Ateles geoffroyi) behavior. Experimental Results, 1(e50), 1-8.

Proctor, D., & Jones, M. (2020). Cockroaches to the rescue: A new approach to reintroduce animal labs to the psychology undergraduate curriculum. Scholarship of Teaching and Learning in Psychology, Advance online publication.

ManyPrimates*(2019). Collaborative open science as a way to reproducibility and new insights in primate cognition research. Japanese Psychological Review, 62(3), 205-220. *ManyPrimates is an international collaboration of primatologists. We publish under this name to emphasize the collaborative nature of this research.

Calcutt, S. E., Proctor, D., Berman, S., & de Waal, F. B. M. (2019). Chimpanzees (Pan troglodytes) are more averse to social than non-social risk. Psychological Science, 30(1), 105-115.

Proctor, D., Calcutt, S. E., Burke, K., & de Waal, F. B. M. (2016). Intranasal oxytocin failed to affect chimpanzee (Pan troglodytes) social behavior. Animal Behavior & Cognition, 3(3), 150-158.

Proctor, D., Williamson, R. A., Latzman, R. D., Brosnan, S. F., & de Waal, F. B. M. (2014). Gambling primates: reactions to a modified Iowa Gambling Task in humans, chimpanzees and capuchin monkeys. Animal Cognition, 17, 983-995. doi:10.1007/s10071-014-0730-7

Proctor, D., Williamson, R. A., de Waal, F. B. M., & Brosnan, S. F. (2013). Chimpanzees play the ultimatum game. Proceedings of the National Academy of Sciences 110(6), 2070-2075. doi:10.1073/pnas.1220806110

Proctor, D., & Brosnan, S. F. (2013). Visual processing speed in capuchin monkeys (Cebus apella) and rhesus macaques (Macaca mulatta). International Journal of Comparative Psychology, 26, 166-175.

Salwiczek, L. H., Prétôt, L., Demarta, L., Proctor, D., Essler, J., Pinto, A. I., . . . Bshary, R. (2012). Adult cleaner wrasse outperform capuchin monkeys, chimpanzees and orangutans in a complex foraging task derived from cleaner–client reef fish cooperation. PloS One, 7(11), e49068. doi:10.1371/journal.pone.0049068

Proctor, D. P., Lambeth, S. P., Schapiro, S. J., & Brosnan, S. F. (2011). Male chimpanzees' grooming rates vary by female age, parity, and fertility status. American Journal of Primatology, 73(10), 989-996. doi:10.1002/ajp.20964

Horner, V., Proctor, D., Bonnie, K. E., Whiten, A., & de Waal, F. B. M. (2010). Prestige affects cultural learning in chimpanzees. PloS One, 5(5), e10625. doi:10.1371/journal.pone.0010625

Campbell, M. W., Carter, J. D., Proctor, D., Eisenberg, M. L., & de Waal, F. B. M. (2009). Computer animations stimulate contagious yawning in chimpanzees. Proceedings of the Royal Society B: Biological Sciences, 276(1676), 4255-4259. doi:10.1098/rspb.2009.1087


Proctor, D., Williamson, R. A., de Waal, F. B. M., & Brosnan, S. F. (2013). Reply to Henrich and Silk: Toward a unified explanation for apes and humans. Proceedings of the National Academy of Sciences, 110(33), E3050. doi:10.1073/pnas.1309100110

Proctor, D., Williamson, R. A., de Waal, F. B. M., & Brosnan, S. F. (2013). Reply to Jensen et al.: Equitable offers are not rationally maximizing. Proceedings of the National Academy of Sciences, 110(20), E1838. doi:10.1073/pnas.1304306110

Proctor, D., Brosnan, S. F., & de Waal, F. B. M. (2013). How fairly do chimpanzees play the ultimatum game? Communicative & Integrative Biology, 6(3), e23819. doi:10.4161/cib.23819

Proctor, D. (2013). Animal Friendships by Anne Innis Dagg. The Quarterly Review of Biology, 88(3), 246-247. doi:10.1086/671517


Brosnan, S. F., de Waal, F. B. M., & Proctor, D. (2015). Reciprocity in non-human primates. In S. Preston (Ed.), The Interdisciplinary Science of Consumption. Oxford: Oxford University Press.

Proctor, D., & Brosnan, S. F. (2011). Political primates: What other primates can tell us about the evolutionary roots of our own political behavior. In P. Hatemi & M. McDermott (Eds.), Man is by Nature a Political Animal: Evolution, Biology and Politics (pp. 47-71). Chicago: University of Chicago Press.