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Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback

As with humans, vocal communication is an important social tool for nonhuman primates. Common marmosets (Callithrix jacchus) often produce whistle-like ‘phee’ calls when they are visually separated from conspecifics. The neural processes specific to phee call perception, however, are largely unknown...

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Autores principales: Kato, Masaki, Yokoyama, Chihiro, Kawasaki, Akihiro, Takeda, Chiho, Koike, Taku, Onoe, Hirotaka, Iriki, Atsushi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5908821/
https://www.ncbi.nlm.nih.gov/pubmed/29488110
http://dx.doi.org/10.1007/s10071-018-1169-z
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author Kato, Masaki
Yokoyama, Chihiro
Kawasaki, Akihiro
Takeda, Chiho
Koike, Taku
Onoe, Hirotaka
Iriki, Atsushi
author_facet Kato, Masaki
Yokoyama, Chihiro
Kawasaki, Akihiro
Takeda, Chiho
Koike, Taku
Onoe, Hirotaka
Iriki, Atsushi
author_sort Kato, Masaki
collection PubMed
description As with humans, vocal communication is an important social tool for nonhuman primates. Common marmosets (Callithrix jacchus) often produce whistle-like ‘phee’ calls when they are visually separated from conspecifics. The neural processes specific to phee call perception, however, are largely unknown, despite the possibility that these processes involve social information. Here, we examined behavioral and whole-brain mapping evidence regarding the detection of individual conspecific phee calls using an audio playback procedure. Phee calls evoked sound exploratory responses when the caller changed, indicating that marmosets can discriminate between caller identities. Positron emission tomography with [(18)F] fluorodeoxyglucose revealed that perception of phee calls from a single subject was associated with activity in the dorsolateral prefrontal, medial prefrontal, orbitofrontal cortices, and the amygdala. These findings suggest that these regions are implicated in cognitive and affective processing of salient social information. However, phee calls from multiple subjects induced brain activation in only some of these regions, such as the dorsolateral prefrontal cortex. We also found distinctive brain deactivation and functional connectivity associated with phee call perception depending on the caller change. According to changes in pupillary size, phee calls from a single subject induced a higher arousal level compared with those from multiple subjects. These results suggest that marmoset phee calls convey information about individual identity and affective valence depending on the consistency or variability of the caller. Based on the flexible perception of the call based on individual recognition, humans and marmosets may share some neural mechanisms underlying conspecific vocal perception.
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spelling pubmed-59088212018-04-20 Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback Kato, Masaki Yokoyama, Chihiro Kawasaki, Akihiro Takeda, Chiho Koike, Taku Onoe, Hirotaka Iriki, Atsushi Anim Cogn Original Paper As with humans, vocal communication is an important social tool for nonhuman primates. Common marmosets (Callithrix jacchus) often produce whistle-like ‘phee’ calls when they are visually separated from conspecifics. The neural processes specific to phee call perception, however, are largely unknown, despite the possibility that these processes involve social information. Here, we examined behavioral and whole-brain mapping evidence regarding the detection of individual conspecific phee calls using an audio playback procedure. Phee calls evoked sound exploratory responses when the caller changed, indicating that marmosets can discriminate between caller identities. Positron emission tomography with [(18)F] fluorodeoxyglucose revealed that perception of phee calls from a single subject was associated with activity in the dorsolateral prefrontal, medial prefrontal, orbitofrontal cortices, and the amygdala. These findings suggest that these regions are implicated in cognitive and affective processing of salient social information. However, phee calls from multiple subjects induced brain activation in only some of these regions, such as the dorsolateral prefrontal cortex. We also found distinctive brain deactivation and functional connectivity associated with phee call perception depending on the caller change. According to changes in pupillary size, phee calls from a single subject induced a higher arousal level compared with those from multiple subjects. These results suggest that marmoset phee calls convey information about individual identity and affective valence depending on the consistency or variability of the caller. Based on the flexible perception of the call based on individual recognition, humans and marmosets may share some neural mechanisms underlying conspecific vocal perception. Springer Berlin Heidelberg 2018-02-27 2018 /pmc/articles/PMC5908821/ /pubmed/29488110 http://dx.doi.org/10.1007/s10071-018-1169-z Text en © The Author(s) 2018 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
spellingShingle Original Paper
Kato, Masaki
Yokoyama, Chihiro
Kawasaki, Akihiro
Takeda, Chiho
Koike, Taku
Onoe, Hirotaka
Iriki, Atsushi
Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback
title Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback
title_full Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback
title_fullStr Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback
title_full_unstemmed Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback
title_short Individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback
title_sort individual identity and affective valence in marmoset calls: in vivo brain imaging with vocal sound playback
topic Original Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5908821/
https://www.ncbi.nlm.nih.gov/pubmed/29488110
http://dx.doi.org/10.1007/s10071-018-1169-z
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