Abstract：
:We hypothesized that chimpanzees could learn to produce attention-getting (AG) sounds via positive reinforcement. We conducted a vocal assessment in 76 captive chimpanzees for their use of AG sounds to acquire the attention of an otherwise inattentive human. Fourteen individuals that did not produce AG sounds during the vocal assessment were evaluated for their ability to acquire the use of an AG sound through operant conditioning and to employ these sounds in an attention-getting context. Nine of the 14 chimpanzees were successfully shaped using positive reinforcement to produce an AG sound. In a post-training vocal assessment, eight of the nine individuals that were successfully trained to produce AG sounds generalized the use of these newly acquired signals to communicatively relevant situations. Chimpanzees possess the ability to acquire the use of a communicative signal via operant conditioning and can generalize the use of this newly acquired signal to appropriate communicative contexts.
journal_name
Brain Langjournal_title
Brain and languageauthors
Russell JL,McIntyre JM,Hopkins WD,Taglialatela JPdoi
10.1016/j.bandl.2013.09.009subject
Has Abstractpub_date
2013-12-01 00:00:00pages
520-5issue
3eissn
0093-934Xissn
1090-2155pii
S0093-934X(13)00166-1journal_volume
127pub_type
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