How Oxytocin Tames “Mean Girl” Behavior

**Title: Study Links Oxytocin Receptors to Gender Equality in Lemur Species**

A recent study has identified a connection between gender equality and the oxytocin system in the brains of certain lemur species. Researchers examined seven closely related lemur species and found that those exhibiting more egalitarian social structures had higher concentrations of oxytocin receptors, particularly in the amygdala, a region of the brain associated with emotion and social behavior.

The research focused on comparing species with varying degrees of gender-based dominance. The findings revealed that lemurs living in more balanced social environments—where males and females share equal roles—showed increased activity in their oxytocin systems. Specifically, these species demonstrated a higher density of oxytocin receptors within the amygdala, suggesting a potential link between this neurochemical system and cooperative or equitable behaviors. The study highlights how biological factors may influence social dynamics across different species.

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Source: https://neurosciencenews.com/oxytocin-mean-girl-behavior-28744/

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Author

Mark Chiang

紐約 NYU Computer Science 碩士 紐澤西 UMDNJ Biomedical Informatics 博士 中研院博士後 台灣大學博士後