Hardly habitual: chimpanzees and gorillas show flexibility in their motor responses when presented with a causally-clear task

por Jacobson, Sarah L., Hopper, Lydia M.
Publicado 2019

Evaluating the Behavior and Temperament of African Penguins in a Non-Contact Animal Encounter Program

por Saiyed, Sana T., Hopper, Lydia M., Cronin, Katherine A.
Publicado 2019

Same Space, Different Species: The Influence of Exhibit Design on the Expression of Zoo-Housed Apes’ Species-Typical Retiring Behaviors

por Earl, Samantha C., Hopper, Lydia M., Ross, Stephen R.
Publicado 2020

Problem solving flexibility across early development

por Hopper, Lydia M., Jacobson, Sarah L., Howard, Lauren H.
Publicado 2020

Chimpanzees create and modify probe tools functionally: A study with zoo-housed chimpanzees

por Hopper, Lydia M, Tennie, Claudio, Ross, Stephen R, Lonsdorf, Elizabeth V
Publicado 2015

The zone of latent solutions and its relevance to understanding ape cultures

por Tennie, Claudio, Bandini, Elisa, van Schaik, Carel P., Hopper, Lydia M.
Publicado 2020

Familiarity mediates apes' attentional biases toward human faces

por Leinwand, Jesse G., Fidino, Mason, Ross, Stephen R., Hopper, Lydia M.
Publicado 2022

When given the opportunity, chimpanzees maximize personal gain rather than “level the playing field”

por Hopper, Lydia M., Lambeth, Susan P., Schapiro, Steven J., Brosnan, Sarah F.
Publicado 2013

Captive chimpanzee foraging in a social setting: a test of problem solving, flexibility, and spatial discounting

por Hopper, Lydia M., Kurtycz, Laura M., Ross, Stephen R., Bonnie, Kristin E.
Publicado 2015

Studying primate cognition in a social setting to improve validity and welfare: a literature review highlighting successful approaches

por Cronin, Katherine A., Jacobson, Sarah L., Bonnie, Kristin E., Hopper, Lydia M.
Publicado 2017

Social Models Enhance Apes’ Memory for Novel Events

por Howard, Lauren H., Wagner, Katherine E., Woodward, Amanda L., Ross, Stephen R., Hopper, Lydia M.
Publicado 2017

A Comparative Perspective on Three Primate Species’ Responses to a Pictorial Emotional Stroop Task

por Hopper, Lydia M., Allritz, Matthias, Egelkamp, Crystal L., Huskisson, Sarah M., Jacobson, Sarah L., Leinwand, Jesse G., Ross, Stephen R.
Publicado 2021

Testing differential use of payoff-biased social learning strategies in children and chimpanzees

por Vale, Gillian L., Flynn, Emma G., Kendal, Jeremy, Rawlings, Bruce, Hopper, Lydia M., Schapiro, Steven J., Lambeth, Susan P., Kendal, Rachel L.
Publicado 2017

Different Responses to Reward Comparisons by Three Primate Species

por Freeman, Hani D., Sullivan, Jennifer, Hopper, Lydia M., Talbot, Catherine F., Holmes, Andrea N., Schultz-Darken, Nancy, Williams, Lawrence E., Brosnan, Sarah F.
Publicado 2013

Selective and contagious prosocial resource donation in capuchin monkeys, chimpanzees and humans

por Claidière, Nicolas, Whiten, Andrew, Mareno, Mary C., Messer, Emily J. E., Brosnan, Sarah F., Hopper, Lydia M., Lambeth, Susan P., Schapiro, Steven J., McGuigan, Nicola
Publicado 2015

Chimpanzees demonstrate individual differences in social information use

por Watson, Stuart K., Vale, Gillian L., Hopper, Lydia M., Dean, Lewis G., Kendal, Rachel L., Price, Elizabeth E., Wood, Lara A., Davis, Sarah J., Schapiro, Steven J., Lambeth, Susan P., Whiten, Andrew
Publicado 2018

Social networks in primates: smart and tolerant species have more efficient networks

por Pasquaretta, Cristian, Levé, Marine, Claidière, Nicolas, van de Waal, Erica, Whiten, Andrew, MacIntosh, Andrew J. J., Pelé, Marie, Bergstrom, Mackenzie L., Borgeaud, Christèle, Brosnan, Sarah F., Crofoot, Margaret C., Fedigan, Linda M., Fichtel, Claudia, Hopper, Lydia M., Mareno, Mary Catherine, Petit, Odile, Schnoell, Anna Viktoria, di Sorrentino, Eugenia Polizzi, Thierry, Bernard, Tiddi, Barbara, Sueur, Cédric
Publicado 2014

Establishing an infrastructure for collaboration in primate cognition research

por Altschul, Drew M., Beran, Michael J., Bohn, Manuel, Call, Josep, DeTroy, Sarah, Duguid, Shona J., Egelkamp, Crystal L., Fichtel, Claudia, Fischer, Julia, Flessert, Molly, Hanus, Daniel, Haun, Daniel B. M., Haux, Lou M., Hernandez-Aguilar, R. Adriana, Herrmann, Esther, Hopper, Lydia M., Joly, Marine, Kano, Fumihiro, Keupp, Stefanie, Melis, Alicia P., Motes Rodrigo, Alba, Ross, Stephen R., Sánchez-Amaro, Alejandro, Sato, Yutaro, Schmitt, Vanessa, Schweinfurth, Manon K., Seed, Amanda M., Taylor, Derry, Völter, Christoph J., Warren, Elizabeth, Watzek, Julia
Publicado 2019