期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 275, 期 1634, 页码 473-481出版社
ROYAL SOC
DOI: 10.1098/rspb.2007.1460
关键词
emotion; voice; conspecific vocalizations; functional magnetic resonance imaging; limbic system; auditory cortex
资金
- NCI NIH HHS [CM5 P40 RR 003640-13] Funding Source: Medline
- NCRR NIH HHS [P40 RR003640] Funding Source: Medline
It is presently unknown whether our response to affective vocalizations is specific to those generated by humans or more universal, triggered by emotionally matched vocalizations generated by other species. Here, we used functional magnetic resonance imaging in normal participants to measure cerebral activity during auditory stimulation with affectively valenced animal vocalizations, some familiar ( cats) and others not ( rhesus monkeys). Positively versus negatively valenced vocalizations from cats and monkeys elicited different cerebral responses despite the participants' inability to differentiate the valence of these animal vocalizations by overt behavioural responses. Moreover, the comparison with human non-speech affective vocalizations revealed a common response to the valence in orbitofrontal cortex, a key component on the limbic system. These findings suggest that the neural mechanisms involved in processing human affective vocalizations may be recruited by heterospecific affective vocalizations at an unconscious level, supporting claims of shared emotional systems across species.
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