Dr Lydia M. Hopper

I am the Assistant Director of the Lester E Fisher Center for the Study & Conservation of Apes, Lincoln Park Zoo, Chicago, USA. It is my role to help with the design, coordination, and running of our in-house behavioral and cognitive research with our chimpanzees and gorillas. I am also an adjunct Assistant Professor at Northwestern University, USA, and an Honourary Research Fellow at the University of Birmingham, UK. 

Recent publications:

Hopper, L.M., Kurtycz, L.M., Ross, S.R. & Bonnie, K.E. (2015) Captive chimpanzee foraging in a social setting: a test of problem solving, flexibility, and spatial discounting. PeerJ 3, e833.

Hopper, L.M., Lambeth, S.P., Schapiro, S.J. & Whiten, A. (2015). The importance of witnessed agency in chimpanzee social learning of tool useBehavioural Processes 112, 120-129.

Hopper, L.M., Tennie, C., Ross, S.R. & Lonsdorf, E.V. (2015). Chimpanzees create and modify probe-tools functionally: A study with zoo-housed chimpanzees. American Journal of Primatology 77(2), 162-170.

Brosnan, S.F., Hopper, L.M., Richey, S., Freeman, H.D., Talbot, C.F., Gosling, S., Lambeth, S.P. & Schapiro, S.J. (2015). Personality influences responses to inequity and contrast in chimpanzees. Animal Behaviour 101, 75-87

Claidière, N., Whiten, A., Mareno, M.C., Messer, E., Brosnan, S.F., Hopper, L.M., Lambeth, S.P., Schapiro, S.J., & McGuigan, N. (2015). Selective and contagious prosocial resource donation in capuchin monkeys, chimpanzees and humans.  Scientific Reports 5, 7631.