HOPE report


Affective influences of scream calls on other individuals in capuchin monkeys.

Report:Morimoto Yo

Date:2008/01/21 - 2008/03/23

I conducted a fieldwork at Tiete Ecological Park in Sao Paulo, Brazil. It was collaboration research with Dr. Ottoni, Sao Paulo University. In the park there are more than 20 capuchin monkeys (Cebus apella), and we conducted field observations and field experiments on them in February and March 2008. To investigate affective influence of vocalizations on receivers, we observed monkey's affective and non-affective behaviors when they hear emotional vocalizations.

Tiete Ecological Park

capuchin monkeys

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