Psychology: Techniques and Application

Psychology: Techniques and Application ›› 2024, Vol. 12 ›› Issue (2): 97-103.

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The Variation in National Suicide Rates: An Explanation Based on Culture-gene Coevolution of Collectivism and the 5-HTTLPR S Allele

  

  • Online:2024-02-01 Published:2024-01-26

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Abstract:

To explain the global distribution of suicide rates, this study is based on publicly available data from authoritative sources such as the World Health Organization. It proposes and tests a conceptual model that incorporates the co-evolution of collectivist culture and the 5-HTTLPR S allele as explanatory factors. The analysis reveals that collectivist culture and the prevalence of depressive disorders serve as sequential mediators between the population proportion of individuals carrying the 5-HTTLPR S allele and suicide rates. The hypothesis of co-evolution between collectivist culture and 5-HTTLPR S allele has gained preliminary support, that is, collectivist culture may buffer the negative impact of carrying 5-HTTLPR S allele on individuals and groups, reducing regional prevalence of depressive disorders and suicide rates.

Key words: suicide rate, collectivism, 5-HTTLPR S allele, co-evolution, depressive disorder

CLC Number: 

  • B849
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