Heidi Lyn, Ph.D.

Assistant Professor

View Dr. Lyn's Full CV (PDF)

Visit the Comparative Cognition and Communication Lab Page to learn more about Dr. Lyn's research.


B.A., Linguistics, B.S., Engineering in Computer Science Engineering, University of Pennsylvania, Philadelphia, PA, 1992

M.A., Psychology, Georgia State University, Atlanta, GA, 1998

Ph.D., Psychology, Georgia State University, Atlanta, GA 2001

ResearchComparative animal cognition and communication

Lyn, H., Russell, J. L., Leavens, D., Bard, K. A., Boysen, S. T., Schaeffer, J. A., & Hopkins, W. D. (2014). Apes communicate about absent and displaced objects: methodology matters. Animal Cognition. DOI 10.1007/s10071-013-0640-0

Gillespie-Lynch, K., Feng, Y., Greenfield, P. M., Savage-Rumbaugh, S., & Lyn, H. (2013). A cross-species study of gesture and its role in symbolic development: Implications for the gestural theory of language evolution. Frontiers in Comparative Psychology4, 160. DOI: 10.3389/fpsyg.2013.00160

Lyn, H., Coleman, A., Broadway, M., Klaus, J., Finerty, S., Shannon, D., & Solangi, M. (2012). Displacement and Site Fidelity of Rehabilitated Immature Kemp’s Ridley Sea Turtles (Lepidochelys kempii)Marine Turtle Newsletter, 135, 10-13.

Gillespie-Lynch, K., Greenfield, P. M., Lyn, H., & Savage-Rumbaugh, S. (2011). The role of dialogue in the ontogeny and phylogeny of early word combinations : A cross-species comparison of bonobo, chimpanzee, and human learners. First Language, 31(4), 442-460. doi: 10.1177/0142723711406882

Russell, J. L., Lyn, H., Schaeffer, J. A., & Hopkins, W. D. (2011). The Role of Socio-Communicative Rearing Environments on the Development of Social and Physical Cognition in Apes. Developmental Science, 14(6), 1459-1470. DOI: 10.1111/j.1467-7687.2011.01090.x

Lyn, H., Greenfield, P. M., & Savage-Rumbaugh, E. S. (2011). Semiotic combinations in Pan: A cross-species comparison of communication in a chimpanzee and a bonobo. First Language, 31(3), 300-325. doi: 10.1177/0142723710391872

Lyn, H., Pierre, P., Bennett, A. J., Fears, S., Woods, R., & Hopkins, W. D. (2011). Planum Temporale Grey Matter Asymmetries in Chimpanzees (Pan troglodytes), Vervet (Chlorocebus aethiops sabaeus), Rhesus (Macaca mulatta) and Bonnet (Macaca radiata) monkeys. Neuropsychologia, 49, 2004-2012. DOI: 10.1016/j.neuropsychologia.2011.03.030

Lyn, H., Greenfield, P. M., Savage-Rumbaugh, S., Gillespie-Lynch, K., & Hopkins, W. D. (2011). Nonhuman primates do declare! A comparison of declarative symbol and gesture use in two children, two bonobos, and a chimpanzee. Language and Communication, 31, 63-74. DOI: 10.1016/j.langcom.2010.11.001

Lyn, H. (2010). Environment, methodology, and the object choice task in apes: Evidence for declarative comprehension and implications for the evolution of language. Journal of Evolutionary Psychology. 8(4), 333-349. doi: 10.1556/JEP.8.2010.4.3

Lyn, H., Russell, J. L., & Hopkins, W. D. (2010). The impact of environment on the comprehension of declarative communication in apes. Psychological Science 21(3), 360-365.

Franks, B., Lyn, H., Klein, L. & Reiss, D. L. (2009) The influence of feeding enrichment, and seasonal context on the behavior of Pacific Walruses (Odobenus rosmarus divergens)Zoo Biology, 28,1-8.

Hopkins, W. D., Lyn, H., and Cantalupo, C. (2009) A Preliminary Study of Volumetric and Lateralized Differences in the Brains of Chimpanzees (Pan troglodytes) and Bonobos (Pan paniscus). American Journal of Primatology. 71, pp. 1-10.

Lyn, H. & Rumbaugh, D. M. (2009) Saliences, Propositions, and Amalgams: Emergent learning in non-humans. Behavioral & Brain Sciences 32(2) 213-214.

Lyn, H., Franks, B., and Savage-Rumbaugh, E. S. (2008) Precursors of morality in the use of the symbols “good” and “bad” in two bonobos (Pan paniscus) and a chimpanzee (Pan troglodytes). Language and Communication 28(3) 213-224 DOI 10.1016/j.langcom.2008.01.006.

Greenfield, P. M., Lyn, H., & Savage-Rumbaugh, E. S. (2008). Protolanguage in ontogeny and phylogeny: combining deixis and representation. Interaction Studies, 9(1), 34-50.

Lyn, H. (2007) Mental representations of symbols as revealed by vocabulary errors in two bonobos (Pan paniscus)Animal Cognition. 10(4), 461-475. DOI 10.1007/s10071-007-0086-3

Lyn, H., Greenfield, P. G., and Savage-Rumbaugh, E. S. (2006) The development of representational play in chimpanzees and bonobos: evolutionary implications, pretense, and the role of interspecies communication, Cognitive Development, 21, 199-213. doi: 10.1016/j.cogdev.2006.03.005

Sickler, Jessica, Fraser, John, Webler, Thomas, Reiss, Diana ; Boyle, Paul ; Lyn, Heidi ; Lemcke, Katherine ; Gruber, Sarah (2006) Social narratives surrounding dolphins: Q Method study. Society and Animals14(4) 351-382. DOI 10.1163/156853006778882457

Lyn, H. and Savage-Rumbaugh, E. S. (2000) Observational word learning in two bonobos (Pan paniscus): Ostensive and non-ostensive contexts. Language & Communication. 20(3) 255-273.