It looks like they lose them selves in the role when method acting.
even changing accent or taking the perspective of somebody else decreases activity in the prefrontal cortex
but while they lose their integrity of self their default mode consciousness increases – which they suspect means they are carrying two people at once but the normal self is suppressed in expression. so frozen i guess
https://pubmed.ncbi.nlm.nih.gov/17603406/
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