Journal
JOURNAL OF THE INTERNATIONAL NEUROPSYCHOLOGICAL SOCIETY
Volume 16, Issue 2, Pages 262-267Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1355617709991287
Keywords
Brain concussion; Multiple concussions; Head injury; Minor; Neuropsychological; Traumatic brain injury; Cognition
Categories
Funding
- Department of Veterans Affairs, Veterans Health Administration (VHA)
- Defense and Veterans Brain Injury Center
- James A. Haley Veterans' Hospital
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Debate continues about the long-term neuropsychological impact of multiple mild traumatic brain injuries (MTBI). A meta-analysis of the relevant literature was conducted to determine the impact of having a history of more than one self-reported MTBI (versus just One MTBI) across seven cognitive domains, as well as symptom complaints. The analysis was based on 8 studies, all conducted with athletes. involving 614 cases Of multiple MTBI and 926 control cases of a single MTBI The overall effect of multiple MTBI on neuropsychological functioning was minimal and not significant (d = 0.06). However. follow-up analyses revealed that Multiple self-reported MTBI was associated with poorer performance on measures of delayed memory and executive functioning. The implications and limitations of these findings are discussed. (JINS, 2010, 16 262-267.)
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