BACKGROUND: Several studies have reported deficits in both immediate and delayed recall of verbal memory in patients with posttraumatic stress disorder (PTSD). However, most of these studies had several methodological disadvantages. None of these studies assessed parameters related to social or occupational functioning. METHODS: Fifty Dutch veterans of UN peacekeeping missions (25 with PTSD and 25 without PTSD) were assessed with a comprehensive neuropsychological test battery consisting of four subtests of the Wechsler Adult Intelligence Scale-III, California Verbal-Learning Test, and the Rey Auditory Verbal-Learning Test. Veterans with PTSD were free of medication and substance abuse. RESULTS: Veterans with PTSD had similar total intelligence quotient scores compared to controls, but displayed deficits of figural and logical memory. Veterans with PTSD also performed significantly lower on measures of learning and immediate and delayed verbal memory. Memory performance accurately predicted current social and occupational functioning. CONCLUSIONS: Deficits of memory performance were displayed in a sample of medication- and substance abuse-free veterans with PTSD. Deficits in memory performance were not related to intelligence quotient, length of trauma exposure, or time since trauma exposure. This study showed that cognitive performance accurately predicted current social and occupational functioning in veterans with PTSD. (c) 2008 Wiley-Liss, Inc.
BACKGROUND: Several studies have reported deficits in both immediate and delayed recall of verbal memory in patients with posttraumatic stress disorder (PTSD). However, most of these studies had several methodological disadvantages. None of these studies assessed parameters related to social or occupational functioning. METHODS: Fifty Dutch veterans of UN peacekeeping missions (25 with PTSD and 25 without PTSD) were assessed with a comprehensive neuropsychological test battery consisting of four subtests of the Wechsler Adult Intelligence Scale-III, California Verbal-Learning Test, and the Rey Auditory Verbal-Learning Test. Veterans with PTSD were free of medication and substance abuse. RESULTS: Veterans with PTSD had similar total intelligence quotient scores compared to controls, but displayed deficits of figural and logical memory. Veterans with PTSD also performed significantly lower on measures of learning and immediate and delayed verbal memory. Memory performance accurately predicted current social and occupational functioning. CONCLUSIONS: Deficits of memory performance were displayed in a sample of medication- and substance abuse-free veterans with PTSD. Deficits in memory performance were not related to intelligence quotient, length of trauma exposure, or time since trauma exposure. This study showed that cognitive performance accurately predicted current social and occupational functioning in veterans with PTSD. (c) 2008 Wiley-Liss, Inc.
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