Social connections predict brain structure in a multidimensional free-ranging primate society.
Journal
Science advances
ISSN: 2375-2548
Titre abrégé: Sci Adv
Pays: United States
ID NLM: 101653440
Informations de publication
Date de publication:
15 04 2022
15 04 2022
Historique:
entrez:
13
4
2022
pubmed:
14
4
2022
medline:
16
4
2022
Statut:
ppublish
Résumé
Reproduction and survival in most primate species reflects management of both competitive and cooperative relationships. Here, we investigated the links between neuroanatomy and sociality in free-ranging rhesus macaques. In adults, the number of social partners predicted the volume of the mid-superior temporal sulcus and ventral-dysgranular insula, implicated in social decision-making and empathy, respectively. We found no link between brain structure and other key social variables such as social status or indirect connectedness in adults, nor between maternal social networks or status and dependent infant brain structure. Our findings demonstrate that the size of specific brain structures varies with the number of direct affiliative social connections and suggest that this relationship may arise during development. These results reinforce proposed links between social network size, biological success, and the expansion of specific brain circuits.
Identifiants
pubmed: 35417242
doi: 10.1126/sciadv.abl5794
pmc: PMC9007502
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
eabl5794Subventions
Organisme : NIA NIH HHS
ID : R24 AG065172
Pays : United States
Organisme : NIA NIH HHS
ID : R00 AG051764
Pays : United States
Organisme : NIA NIH HHS
ID : R01 AG060931
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH096875
Pays : United States
Organisme : NIMH NIH HHS
ID : U01 MH121260
Pays : United States
Organisme : NIMH NIH HHS
ID : R01 MH118203
Pays : United States
Organisme : NIH HHS
ID : P40 OD012217
Pays : United States
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