Learning and Memory in Aging Combat Veterans with PTSD

The California Verbal Learning Test (CVLT) was administered to examine learning and memory performance in aging combat veterans with (n=30) and without PTSD (n=20), and veterans unexposed to combat (n=15). Combat veterans with PTSD (PTSD+) showed many impairments compared to non-exposed veterans, bu...

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Bibliographic Details
Published in:Journal of clinical and experimental neuropsychology 2005-05, Vol.27 (4), p.504-515
Main Authors: Yehuda, Rachel, Golier, Julia A., Tischler, Lisa, Stavitsky, Karina, Harvey, Philip D.
Format: Article
Language:English
Subjects:
Aged
Aging - physiology
Analysis of Variance
Attention - physiology
Demography
Humans
Language Tests - statistics & numerical data
Male
Memory - physiology
Middle Aged
Neuropsychological Tests - statistics & numerical data
Stress Disorders, Post-Traumatic - physiopathology
Substance-Related Disorders - physiopathology
Verbal Learning - physiology
Veterans
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Summary:The California Verbal Learning Test (CVLT) was administered to examine learning and memory performance in aging combat veterans with (n=30) and without PTSD (n=20), and veterans unexposed to combat (n=15). Combat veterans with PTSD (PTSD+) showed many impairments compared to non-exposed veterans, but only long-delay free recall consistently discriminated the PTSD+ group from combat-exposed subjects without PTSD (PTSD-), when data were corrected for subscale scores on the WAIS (Vocabulary, Block Design). Alterations in total learning were associated with PTSD when controlling for substance abuse and depression. Two contrast measures, proactive interference and recognition hits, distinguished combat from noncombat veterans, and may be related to trauma exposure. Impairments in total learning are similar to what has been observed in Holocaust survivors. However, increased severity of rapid forgetting may be a specific alteration in older combat veterans, likely reflecting aspects of both combat exposure and aging. This work was supported by VA Merit Funding to RY and JG and in part by a grant (5 M01 RR00071) for the Mount Sinai General Clinical Research Centre from the National Center for Research Resources, National Institute of Health.
ISSN:1380-3395
1744-411X
DOI:10.1080/138033990520223