http://www.medpagetoday.com/Neurology/HeadTrauma/50286?xid=nl_mpt_DHE_2015-03-04&
In a cohort study of college football players, there was evidence of cerebral blood flow recovery in the right insular and superior temporal cortex both cross-sectionally and longitudinally for those who'd had a concussion, Timothy Meier, PhD, of The Mind Research Network in Albuquerque, N.M., and colleagues reported online in JAMA Neurology.
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Importantly, they said, cerebral blood flow was
diminished in the dorsal midinsular cortex a month after concussion in
athletes who were slower to recover, and it was inversely related to the
magnitude of initial psychiatric symptoms.The findings "suggest regional cerebral blood flow may provide an objective biomarker for tracking both normal and potentially pathological recovery from concussion," Meier and colleagues wrote.
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