Spontaneous cross-species imitation in interactions between chimpanzees and zoo visitors

por Persson, Tomas, Sauciuc, Gabriela-Alina, Madsen, Elainie Alenkær
Publicado 2017

Chimpanzees Show a Developmental Increase in Susceptibility to Contagious Yawning: A Test of the Effect of Ontogeny and Emotional Closeness on Yawn Contagion

por Madsen, Elainie Alenkær, Persson, Tomas, Sayehli, Susan, Lenninger, Sara, Sonesson, Göran
Publicado 2013