What is it about?
This study found that chimpanzees attend to conspecific threatening faces longer than neutral faces in a touchscreen visual search task. The ability of the scream faces to hold attention for longer is most likely explained by the presence of the teeth.
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Why is it important?
The study provides further support that an attentional bias towards threatening faces is a shared trait in primates, which can be traced back to at least the last common ancestor of Old-World monkeys and apes.
Read the Original
This page is a summary of: Search asymmetries for threatening faces in chimpanzees (Pan troglodytes)., Journal of Comparative Psychology, February 2022, American Psychological Association (APA), DOI: 10.1037/com0000302.
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