A Reexamination of the Effects of Culture and Dopamine D4 Receptor Gene Interaction on Social Orientation

Ishii, Keiko; Masuda, Takahiko; Morikura, Masahiro; Noguchi, Yasuki; Yamasue, Hidenori; Ohtsubo, Yohsuke

doi:10.2117/psysoc.2021-b014

Cited by 2 publications

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“…This study is a part of our larger research project, an exploratory cross-cultural investigation of various gene × environment effects (for published reports on the project, see: Ishii et al, 2018Ishii et al, , 2021Zheng et al, 2020). We used a subset of the project's data to test for subtle effects of the haplogroup D-M55 × several autosomal gene polymorphisms on BMI and perceived number of close friends in Japanese university students.…”

Section: Introductionmentioning

confidence: 99%

A Genetic Variation in the Y Chromosome Among Modern Japanese Males Related to Several Physiological and Psychological Characteristics

Morikura

Ohtsubo

Masuda

et al. 2021

Front. Behav. Neurosci.

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Previous studies in population genetics have proposed that the Y-chromosomal (Y-DNA) haplogroup D ancestor likely originated from Africa. The haplogroup D branch next started Out-of-Africa migration, rapidly expanded across Eurasia, and later diversified in East Asia. Y-DNA haplogroup D-M55, one of the branches of haplogroup D, is only found in modern Japanese males, suggesting that individuals with Y-DNA haplogroup D migrated from the Eurasian continent. Based on previous observations, Y-DNA haplogroup D is expected to be associated with some male characteristics including personality. Therefore, this study investigated whether the Y-DNA haplogroup D-M55 is associated with several physiological and psychological characteristics, including exploratory motivation and human relationship-related perception. We recruited Japanese young adult males and females and investigated the association between Y-DNA haplogroup D-M55, physiological [body mass index (BMI)], and several psychological parameters [perceived number of close friends, behavioral inhibition system/behavioral activation system (BIS/BAS), perceived happiness, and perceived loneliness]. The results indicated that males with haplogroup D-M55 had a higher BMI and more close friends, compared with non-carrier males. Additional multiple regression analyses, which tested the hypothesis that haplogroup D-M55 predicts BMI and perceived number of close friends, confirmed our hypothesis, even after controlling for the potentially confounding variables of age and sex. We also analyzed the gene–gene interaction between haplogroup D-M55 and an autosomal gene polymorphism associated with BMI and human relationships, such as the dopamine D2 receptor gene (DRD2: rs1800497). Results showed gene–gene interactions between haplogroups D-M55 and DRD2 in BMI. Based on these findings, it is demonstrated that Y-DNA haplogroup D is associated with human personality.

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Section: Introductionmentioning

confidence: 99%

A Genetic Variation in the Y Chromosome Among Modern Japanese Males Related to Several Physiological and Psychological Characteristics

Morikura

Ohtsubo

Masuda

et al. 2021

Front. Behav. Neurosci.

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“…basis to understand the relationship between physical properties and their psychological effects of archeological artifacts. Ishii et al (2021) address the issue of gene-culture interaction by a replication study on interaction of social orientation and dopamine D4 receptor gene polymorphism. They failed to replicate the previous study and discussed possible ways to improve methodology to investigate gene-culture interaction.…”

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confidence: 99%

Editorial: Integrative Science of Human History: How Can Psychology, Archeology, Anthropology and Biology Work Together

Saiki

Iriki

2021

PSYCHOLOGIA -An International Journal of Psychological Sciences

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Lately launched research project of "Integrative human historical science of Out-of-Eurasia: Exploring the mechanisms of the development of civilization" (Grant-in-Aid for Scientific Research on Innovative Areas; 2019-2023 [http://out-of-eurasia.jp/en/ index.html], hereafter the project) is trying to generate thorough collaborations among various academic fields of humanities and natural sciences, including archeology, anthropology, psychology, philosophy, neuroscience, biology, genomics, among potential others. Through this integrative approach, its expectation is to understand the dynamical process of the creation of human civilizations over the history, in which human as a biological organism (comprised of genes, body, brain…) produced culture, while the man-made environment and social norms formed thereby became the uniquely human niche (environment of adaptation), and thereafter acclimation to the latter produced additional changes in the former human body and cognition resulting in further modification of environment… Therefore, archaeological, historical and modern civilizations created by humans should strongly reflect the cognitive traits that evolved specific to Homo sapiens at the times. This special issue is a collection of articles to illustrate challenges of the project seeking how Psychology, Archeology, Anthropology and Biology, and other related disciplines, can work together to understand the scientific mechanisms of human history.The first three articles are contributions from psychology to integrative human historical science. Ueda et al. (2021) propose a three-level approach to understand cultural variability and evolution of human attention, combining hypothesis-driven experiments, large-scale database, and corpus-based analyses. They hypothesize that human attentional mechanism co-evolves with objects in our environment, especially various artifacts. This article reports the initial application of the three-level approach to the study of visual search and Stroop effect. Kawabata et al. ( 2021) explore a novel way of collaboration between cognitive psychology and archeology, which investigated perception of archeological clay figure faces by modern humans. They discovered that perceived expression differed significantly across figures' historical periods, providing a

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A Reexamination of the Effects of Culture and Dopamine D4 Receptor Gene Interaction on Social Orientation

Cited by 2 publications

References 59 publications

A Genetic Variation in the Y Chromosome Among Modern Japanese Males Related to Several Physiological and Psychological Characteristics

A Genetic Variation in the Y Chromosome Among Modern Japanese Males Related to Several Physiological and Psychological Characteristics

Editorial: Integrative Science of Human History: How Can Psychology, Archeology, Anthropology and Biology Work Together

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