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Association between salivary serotonin and the social sharing of happiness

. 12 / 15 Author Contributions Conceptualization: Masahiro Matsunaga, Keiko Ishii, Yohsuke Ohtsubo, Yasuki Noguchi, Misaki Ochi, Hidenori Yamasue. Data curation: Masahiro Matsunaga, Keiko Ishii ... , Yohsuke Ohtsubo, Misaki Ochi. Formal analysis: Masahiro Matsunaga, Keiko Ishii, Yohsuke Ohtsubo. Funding acquisition: Keiko Ishii, Yohsuke Ohtsubo. Investigation: Keiko Ishii, Yohsuke Ohtsubo, Yasuki

Association between the serotonin transporter polymorphism (5HTTLPR) and subjective happiness level in Japanese adults

Background An epidemiological study in the USA recently reported that variations in the serotonin transporter gene-linked polymorphic region (5HTTLPR) can influence subjective well-being or happiness; specifically, individuals with long polymorphisms (L-allele carriers), associated with increased serotonin reuptake activity, reported significantly higher levels of life satisfaction ...

Genetic Variations in the Human Cannabinoid Receptor Gene Are Associated with Happiness

Happiness has been viewed as a temporary emotional state (e.g., pleasure) and a relatively stable state of being happy (subjective happiness level). As previous studies demonstrated that individuals with high subjective happiness level rated their current affective states more positively when they experience positive events, these two aspects of happiness are interrelated. ...

Medial Prefrontal Cortex Activation Is Commonly Invoked by Reputation of Self and Romantic Partners

The reputation of others influences partner selection in human cooperative behaviors through verbal reputation representation. Although the way in which humans represent the verbal reputations of others is a pivotal issue for social neuroscience, the neural correlates underlying the representation of verbal reputations of others are unclear. Humans primarily depend on ...

The Structure of Mindful Brain

Mindfulness is currently attracting a great deal of attention as a psychotherapy technique. It is defined as bringing one's complete attention to the experiences occurring in the present moment in a nonjudgmental or accepting way. The Five Facet Mindfulness Questionnaire (FFMQ) was developed to assess individual differences in mindfulness states. The FFMQ is composed of five facets ...

Brain–Immune Interaction Accompanying Odor-Evoked Autobiographic Memory

The phenomenon in which a certain smell evokes a specific memory is known as the Proust phenomenon. Odor-evoked autobiographic memories are more emotional than those elicited by other sensory stimuli. The results of our previous study indicated that odor-evoked autobiographic memory accompanied by positive emotions has remarkable effects on various psychological and physiological ...