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The social evolution of individual differences: Future directions for a comparative science of personality in social behavior


Martin, Jordan S; Jaeggi, Adrian V; Koski, Sonja E (2023). The social evolution of individual differences: Future directions for a comparative science of personality in social behavior. Neuroscience and Biobehavioral Reviews, 144:104980.

Abstract

Personality is essential for understanding the evolution of cooperation and conflict in behavior. However, personality science remains disconnected from the field of social evolution, limiting our ability to explain how personality and plasticity shape phenotypic adaptation in social behavior. Researchers also lack an integrative framework for comparing personality in the contextualized and multifaceted behaviors central to social interactions among humans and other animals. Here we address these challenges by developing a social evolutionary approach to personality, synthesizing theory, methods, and organizing questions in the study of individuality and sociality in behavior. We critically review current measurement practices and introduce social reaction norm models for comparative research on the evolution of personality in social environments. These models demonstrate that social plasticity affects the heritable variance of personality, and that individual differences in social plasticity can further modify the rate and direction of adaptive social evolution. Future empirical studies of frequency- and density-dependent social selection on personality are crucial for further developing this framework and testing adaptive theory of social niche specialization.

Abstract

Personality is essential for understanding the evolution of cooperation and conflict in behavior. However, personality science remains disconnected from the field of social evolution, limiting our ability to explain how personality and plasticity shape phenotypic adaptation in social behavior. Researchers also lack an integrative framework for comparing personality in the contextualized and multifaceted behaviors central to social interactions among humans and other animals. Here we address these challenges by developing a social evolutionary approach to personality, synthesizing theory, methods, and organizing questions in the study of individuality and sociality in behavior. We critically review current measurement practices and introduce social reaction norm models for comparative research on the evolution of personality in social environments. These models demonstrate that social plasticity affects the heritable variance of personality, and that individual differences in social plasticity can further modify the rate and direction of adaptive social evolution. Future empirical studies of frequency- and density-dependent social selection on personality are crucial for further developing this framework and testing adaptive theory of social niche specialization.

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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > Institute of Evolutionary Medicine
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Social Sciences & Humanities > Neuropsychology and Physiological Psychology
Life Sciences > Cognitive Neuroscience
Life Sciences > Behavioral Neuroscience
Uncontrolled Keywords:Behavioral Neuroscience, Cognitive Neuroscience, Neuropsychology and Physiological Psychology
Language:English
Date:1 January 2023
Deposited On:09 Jan 2023 08:44
Last Modified:28 Apr 2024 01:42
Publisher:Elsevier
ISSN:0149-7634
OA Status:Hybrid
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1016/j.neubiorev.2022.104980
PubMed ID:36463970
  • Content: Published Version
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)