Gradual Loss of Social Group Support during Competition Activates Anterior TPJ and Insula but Deactivates Default Mode Network

Group forming behaviors are common in many species to overcome environmental challenges. In humans, bonding, trust, group norms, and a shared past increase consolidation of social groups. Being a part of a social group increases resilience to mental stress; conversely, its loss increases vulnerabili...

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Published inBrain sciences Vol. 13; no. 11; p. 1509
Main Authors Ozkul, Burcu, Candemir, Cemre, Oguz, Kaya, Eroglu-Koc, Seda, Kizilates-Evin, Gozde, Ugurlu, Onur, Erdogan, Yigit, Mull, Defne Dakota, Eker, Mehmet Cagdas, Kitis, Omer, Gonul, Ali Saffet
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 25.10.2023
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Summary:Group forming behaviors are common in many species to overcome environmental challenges. In humans, bonding, trust, group norms, and a shared past increase consolidation of social groups. Being a part of a social group increases resilience to mental stress; conversely, its loss increases vulnerability to depression. However, our knowledge on how social group support affects brain functions is limited. This study observed that default mode network (DMN) activity reduced with the loss of social group support from real-life friends in a challenging social competition. The loss of support induced anterior temporoparietal activity followed by anterior insula and the dorsal attentional network activity. Being a part of a social group and having support provides an environment for high cognitive functioning of the DMN, while the loss of group support acts as a threat signal and activates the anterior temporoparietal junction (TPJ) and insula regions of salience and attentional networks for individual survival.
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ISSN:2076-3425
2076-3425
DOI:10.3390/brainsci13111509