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 LM, Freeman HD & Ross, SR (in press). Reconsidering coprophagy as an indicator of negative welfare for captive chimpanzees. Applied Animal Behaviour Science

Beran MJ, Hopper LM, de Waal FBM, Sayers K & Brosnan SF (in press). Chimpanzee food preferences, associative learning, and the origins of cooking. Learning & Behavior.

Wagner KE, Hopper LM & Ross SR (in press). Asymmetries in the production of self-directed behavior by chimpanzees and gorillas during a computerized cognitive test. Animal Cognition.

Hopper LM, Kurtycz LM, Ross SR & Bonnie KE (2015) Captive chimpanzee foraging in a social setting: a test of problem solving, flexibility, and spatial discounting. PeerJ 3, e833. 

Hopper LM, Lambeth SP, Schapiro SJ & Whiten A (2015). The importance of witnessed agency in chimpanzee social learning of tool useBehavioural Processes 112, 120-129.
















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