Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks

Abstract The detection of animate beings at the onset of life is important for phylogenetically distant species, such as birds and primates. Naïve chicks preferentially approach a stimulus resembling a conspecific (a stuffed fowl) over a less naturalistic one (a scrambled version of the stuffed fowl...

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Autores principales:	Uwe Mayer, Orsola Rosa-Salva, Jasmine L. Loveland, Giorgio Vallortigara
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/6d2c10928a714a73924868eb7b72e1b2
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spelling	oai:doaj.org-article:6d2c10928a714a73924868eb7b72e1b22021-12-02T15:09:24ZSelective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks10.1038/s41598-019-46322-52045-2322https://doaj.org/article/6d2c10928a714a73924868eb7b72e1b22019-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-46322-5https://doaj.org/toc/2045-2322Abstract The detection of animate beings at the onset of life is important for phylogenetically distant species, such as birds and primates. Naïve chicks preferentially approach a stimulus resembling a conspecific (a stuffed fowl) over a less naturalistic one (a scrambled version of the stuffed fowl, presenting the same low-level visual features as the fowl in an unnatural configuration). The neuronal mechanisms underlying this behavior are mostly unknown. However, it has been hypothesized that innate social predispositions may involve subpallial brain areas including the amygdala. Here we asked whether a stuffed hen would activate areas of the arcopallium/amygdala complex, in particular the nucleus taeniae of the amygdala (TnA) or septum. We measured brain activity by visualizing the immediate early gene product c-Fos. After exposure to the hen, TnA showed higher density of c-Fos expressing neurons, compared to chicks that were exposed to the scrambled stimulus. A similar trend was present in the lower portion of the arcopallium, but not in the upper portion of the arcopallium or in the septum. This demonstrates that at birth the TnA is already engaged in responses to social visual stimuli, suggesting an important role for this nucleus in the early ontogenetic development of social behavior.Uwe MayerOrsola Rosa-SalvaJasmine L. LovelandGiorgio VallortigaraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Uwe Mayer Orsola Rosa-Salva Jasmine L. Loveland Giorgio Vallortigara Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks
description	Abstract The detection of animate beings at the onset of life is important for phylogenetically distant species, such as birds and primates. Naïve chicks preferentially approach a stimulus resembling a conspecific (a stuffed fowl) over a less naturalistic one (a scrambled version of the stuffed fowl, presenting the same low-level visual features as the fowl in an unnatural configuration). The neuronal mechanisms underlying this behavior are mostly unknown. However, it has been hypothesized that innate social predispositions may involve subpallial brain areas including the amygdala. Here we asked whether a stuffed hen would activate areas of the arcopallium/amygdala complex, in particular the nucleus taeniae of the amygdala (TnA) or septum. We measured brain activity by visualizing the immediate early gene product c-Fos. After exposure to the hen, TnA showed higher density of c-Fos expressing neurons, compared to chicks that were exposed to the scrambled stimulus. A similar trend was present in the lower portion of the arcopallium, but not in the upper portion of the arcopallium or in the septum. This demonstrates that at birth the TnA is already engaged in responses to social visual stimuli, suggesting an important role for this nucleus in the early ontogenetic development of social behavior.
format	article
author	Uwe Mayer Orsola Rosa-Salva Jasmine L. Loveland Giorgio Vallortigara
author_facet	Uwe Mayer Orsola Rosa-Salva Jasmine L. Loveland Giorgio Vallortigara
author_sort	Uwe Mayer
title	Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks
title_short	Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks
title_full	Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks
title_fullStr	Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks
title_full_unstemmed	Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks
title_sort	selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/6d2c10928a714a73924868eb7b72e1b2
work_keys_str_mv	AT uwemayer selectiveresponseofthenucleustaeniaeoftheamygdalatoanaturalisticsocialstimulusinvisuallynaivedomesticchicks AT orsolarosasalva selectiveresponseofthenucleustaeniaeoftheamygdalatoanaturalisticsocialstimulusinvisuallynaivedomesticchicks AT jasminelloveland selectiveresponseofthenucleustaeniaeoftheamygdalatoanaturalisticsocialstimulusinvisuallynaivedomesticchicks AT giorgiovallortigara selectiveresponseofthenucleustaeniaeoftheamygdalatoanaturalisticsocialstimulusinvisuallynaivedomesticchicks
_version_	1718387819883266048

Selective response of the nucleus taeniae of the amygdala to a naturalistic social stimulus in visually naive domestic chicks

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