Gorillas (Gorilla gorilla gorilla) fail to learn abstract cues of differential outcomes in a novel cognitive bias test

In order to assess mood state in three male western lowland gorillas housed in a bachelor group, we developed a novel version of a cognitive bias task. The background color of a touchscreen presented a conditional ‘if, then…” rule relating to outcomes involving differential amounts of food rewards....

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Bibliographic Details
Main Authors: Molly C. McGuire, Jennifer Vonk
Format: Article
Language:English
Published: Animal Behavior and Cognition 2018-02-01
Series:Animal Behavior and Cognition
Subjects:
Online Access:http://animalbehaviorandcognition.org/uploads/journals/18/AB_C_2018_Vol5(1)_McGuire_Vonk.pdf