At least one study with functional magnetic resonance imaging (fMRI) has shown differences in brain function during tasks involving memory after mild traumatic brain injury (mTBI) although they were not examining PCS specifically.
Mindst et studie med funktionel magnetresonanstomografi (fMRI) har vist forskelle i hjernefunktion under opgaver der involverede hukommelse, efter en mild traumatisk hjerneskade (mTBI), selvom de ikke specifikt undersøgte PCS.