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Journal Article

Citation

Spira JL, Lathan CE, Bleiberg J, Tsao JW. J. Neurotrauma 2014; 31(22): 1823-1834.

Affiliation

US Dept of Veterans Affairs, National Center for PTSD , 3375 Koapaka Street , Suite I-560 , Honolulu, Hawaii, United States , 96819 , 808-954-6390 ; James.spira@va.gov.

Copyright

(Copyright © 2014, Mary Ann Liebert Publishers)

DOI

10.1089/neu.2014.3363

PMID

25003552

Abstract

Controversy exists as to whether the lingering effects of concussion on emotional, physical, and cognitive symptoms is due to the effects of brain trauma, or purely to emotional factors such as posttraumatic stress disorder or depression. This study examines the independent effects of concussion on persistent symptoms. The Defense Automated Neurobehavioral Assessment, a clinical decision support tool, was used to assess neurobehavioral functioning in 646 United States Marines, all of whom were fit for duty. Marines were assessed for concussion history, postconcussive symptoms, emotional distress, neurocognitive functioning, and deployment history.

RESULTS showed that a recent concussion or ever having experienced a concussion was associated with an increase in emotional distress, but not with persistent postconcussive symptoms (PPCS) or neurocognitive functioning. However, having had multiple lifetime concussions was associated with greater emotional distress, PPCS, and neurocognitive functioning that requires attention and rapid discrimination, but not for memory-based tasks. These results are independent of deployment history, combat exposure, and symptoms of posttraumatic stress disorder and depression.

RESULTS supported earlier findings that a prior concussion is not generally associated with postconcussive symptoms independent of covariates. However, in contrast with other studies that failed to find a unique contribution for concussion to PPCS , evidence of recent and multiple concussion was seen across a range of emotional distress, post concussive symptoms, and neurocognitive functioning in this study population.

RESULTS are discussed in terms of implications for assessing concussion upon return from combat.


Language: en

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