Damage to prefrontal cortex compensated by intact areas; 'Phantom' images stored in flexible network throughout brain

The ability to store phantom images in our brain in order to make visual comparisons is impaired by damage to the prefrontal cortex, but intact regions of the PFC pick up the slack in less than a second. Damage to the basal ganglia, however, causes more widespread impairment of visual working memory. New studies show how PFC flexibly picks up new function while retaining old.

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