The Effects of Multiple Mild Traumatic Brain Injuries on Acute Injury Presentation and Neuropsychological Recovery in Children

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Although research focused on mild traumatic brain injury (mTBI) has proliferated in recent years, few studies have examined the significance of a previous history of mTBI in children.


To compare the acute injury presentation and neuropsychological recovery in a pediatric sample after mTBI.


Participants 8 to 16 years of age were divided into 4 groups: no previous injury history, history of 1 mTBI, history of 2 mTBIs, and history of ≥ 3 mTBIs. Participants were evaluated within 3 months of the most recent injury by clinical interview and an abbreviated neuropsychological test battery.


After the index mTBI, the groups did not differ in their likelihood to display a loss of consciousness, nor did they differ on neuropsychological test performance.


Overall, contrary to our hypotheses, we found no demonstrable difference between those children with a self-reported mTBI history and those without after an index mTBI.


MANCOVA, multivariate analysis of covariance


mTBI, mild traumatic brain injury


TBI, traumatic brain injury


WISC-IV, Wechsler Intelligence Scale for Children-Fourth Edition

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