Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/309453 
Year of Publication: 
2023
Citation: 
[Journal:] KZfSS Kölner Zeitschrift für Soziologie und Sozialpsychologie [ISSN:] 1861-891X [Publisher:] Springer Fachmedien Wiesbaden GmbH [Place:] Wiesbaden [Year:] 2023 [Pages:] 1-27
Publisher: 
Springer Fachmedien Wiesbaden GmbH, Wiesbaden
Abstract: 
This overview describes the ambivalent result of humans' evolution towards a social and cooperative species. The evolution of friendship, based on commitment rituals and norms, solved the problem of defection in reciprocal altruism. The social brain implies the cognitive capacity of "mentalizing" and of keeping track of the reputation of group members, but, equally as importantly, generates strong emotions depending on the degree of social integration or social exclusion. Strong emotions linked to categories of social relationships, in particular to friends who we regard as almost irreplaceable, generate commitment and reduce social transactions costs and thereby facilitate cooperation. A multilevel perspective on social categorizations reveals, however, that a similar mechanism applies between cultural groups, owing to cultural group-level selection. Humans apply categorical distinctions within and between groups. They distinguish in-group and out-group members by cultural markers, and, in addition, between friends and others. In this perspective, cultural markers generate categorizations and emotions that facilitate unconditional support if required, but can also result in out-group rejection, and, in combination with neurochemicals, in dehumanization as well.
Subjects: 
Friendship
Social brain
Culture
Commitment
Out-group rejection
Freundschaft
Soziales Gehirn
Kultur
Bindung
Ablehnung der Fremdgruppe
Persistent Identifier of the first edition: 
Creative Commons License: 
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Document Type: 
Article
Document Version: 
Published Version

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