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Birth order and prosociality in the early adolescent brain
https://repo.qst.go.jp/records/84916
https://repo.qst.go.jp/records/84916854f6508-fb2b-409f-a224-25cd0c54c54f
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-28 | |||||
タイトル | ||||||
タイトル | Birth order and prosociality in the early adolescent brain | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Okada, Naohiro
× Okada, Naohiro× Yamamoto, Yu× Noriaki, Yahata× Morita, Susumu× Koshiyama, Daisuke× Morita, Kentaro× Sawada, Kingo× Kanata, Sho× Fujikawa, Shinya× Sugimoto, Noriko× Others× Noriaki, Yahata |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Birth order is a crucial environmental factor for child development. For example, later-born children are relatively unlikely to feel secure due to sibling competition or diluted parental resources. The positive effect of being earlier-born on cognitive intelligence is well-established. However, whether birth order is linked to social behavior remains controversial, and the neural correlates of birth order effects in adolescence when social cognition develops remain unknown. Here, we explored the birth order effect on prosociality using a large-scale population-based adolescent cohort. Next, since the amygdala is a key region for sociality and environmental stress, we examined amygdala substrates of the association between birth order and prosociality using a subset neuroimaging cohort. We found enhanced prosociality in later-born adolescents (N = 3160), and observed the mediating role of larger amygdala volume (N = 208) and amygdala-prefrontal functional connectivity with sex-selective effects (N = 183). We found that birth order, a non-genetic environmental factor, affects adolescent social development via different neural substrates. Our findings may indicate the later-born people’s adaptive survival strategy in stressful environments. | |||||
書誌情報 |
Scientific Reports 巻 11, p. 21806, 発行日 2021-11 |
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出版者 | ||||||
出版者 | Nature | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2045-2322 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1038/s41598-021-01146-0 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.nature.com/articles/s41598-021-01146-0 |