Discover and read the best of Twitter Threads about #hyperscanning
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So I wrote a paper all by myself (which rarely happens) about fNIRS hyperscanning, and what it means. This thread is a very short summary. 1/n 
#fnirs hyperscanning is increasingly used to study social interaction. most studies record from 2 or more people and test if brain activity is 'coherent' between the people. but what does this coherence mean? 2/n
there is no telepathy, so coherence could be driven by the common environment, and few studies control for this. That is, coherence might be the same as the inter-subject correlations found by Hasson (& others) when solo participants watch the same movie in fMRI
