WHY DO FRIENDS HAVE SIMILAR BRAIN SIGNALS?
A new 熟考する／考慮する by 研究員s at Dartmouth College has 設立する that friends are 'exceptionally' 類似の to each other in how they perceive and 答える／応じる to the world around them.
The findings 明らかにする／漏らすd that 類似の neural 返答s are strongest の中で friends, and this pattern appeared to manifest across brain 地域s 伴う／関わるd in emotional 答える／応じるing, directing one's attention and high-level 推論する／理由ing.??
Even when the 研究員s controlled for variables, 含むing left-手渡すd- or 権利-handedness, age, gender, ethnicity, and 国籍, the similarity in neural activity の中で friends was still evident.?
This similarity in neural 返答 減少（する）s with 増加するing distance in real-world social 網状組織s.?
The team, based at Dartmouth College in New Hampshire, 熟考する／考慮するd the friendships and social 関係 of nearly 280 卒業生（する） students. 42 of the students were then linked to an fMRI scanner, which 対策 brain activity using 血 flow, while they watched ビデオs on everything from politics and science to comedy and music
The 研究員s 設立する that you can 予報する who people are friends with just by looking at how their brains 答える／応じる to ビデオ clips.
Friends had the most 類似の neural activity patterns, followed by friends-of-friends who, in turn, had more 類似の neural activity than people three degrees 除去するd (friends-of-friends-of-friends).
The team also 設立する that fMRI 返答 similarities could be used to 予報する not only if a pair were friends but also the social distance between the two.??
This 現象 may b e 予定 to the fact that individuals tend to befriend others who are 類似の to them, and similarities の中で friends may 反映する deeper similarities in how we perceive, 解釈する／通訳する, and 答える／応じる to the world.??
For the 熟考する／考慮する, the 研究員s built on their earlier work, which 設立する that as soon as you see someone you know, your brain すぐに tells you how important or 影響力のある they are and the position they 持つ／拘留する in your social 網状組織.
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