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J Neuropsychiatry Clin Neurosci. 1993 Spring;5(2):183-8.

Neurological status of Vietnam veterans with chronic posttraumatic stress disorder.

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  • 1Veterans Affairs Medical Center, Manchester, New Hampshire 03103.


This study investigated neurological status in 27 medication-free outpatient Vietnam veterans meeting DSM-III-R criteria for posttraumatic stress disorder (PTSD) and 15 non-PTSD combat control subjects, all without alcohol or drug dependence or abuse during the past year. Subjects underwent neurological examination, neuropsychological testing, and sleep-deprived EEG. PTSD subjects showed significantly more neurological soft signs than non-PTSD subjects. Neither substance dependence/abuse nor the more frequent history of developmental problems in PTSD subjects accounted for this difference. There were no significant EEG or neuropsychological testing group differences; however, there were significant correlations between several neuropsychological test scores and total neurological soft signs.

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