Neural responses to media a strong predictor of friendship

“The findings revealed that  similarity was strongest among friends, and this pattern appeared to manifest across brain regions involved in emotional responding, directing one’s attention and high-level reasoning. Even when the researchers controlled for variables, including left-handed- or right-handedness, age, gender, ethnicity, and nationality, the similarity in neural activity among friends was still evident. The team also found that fMRI response similarities could be used to predict not only if a pair were friends but also the social distance between the two.”

https://medicalxpress.com/news/2018-01-brain-reveals-friends-similar-neural.html

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Paul Watson
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Paul Watson

Cool. Exactly as you would predict based on human social system of “complex contractual reciprocity,” in which we need to be able to effectively and efficiently predict partner responses to dynamic environmental / socioecological circumstances. — Paul