Just by observing the natural behavior of someone we know well, our brain activity can start to sync up with theirs, according to new research published in NeuroImage. The findings shed light on the fascinating interplay between social behavior and brain activity.
Successful social interaction depends on our ability to exchange information with others and continuously update our understanding of their inner states and actions. The authors of the new study sought to better understand the role of a phenomenon called interpersonal neural synchrony (INS) – the alignment of brain activities between people who are interacting.
Previous studies have supported the idea that INS can predict the success of social interactions. However, most research on INS has focused on structured social tasks, trying to establish a relationship between INS and social behavior. What has been less clear is how INS originates or what triggers it.
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