Journal
ARCHIVES OF CLINICAL NEUROPSYCHOLOGY
Volume 28, Issue 8, Pages 808-823Publisher
OXFORD UNIV PRESS
DOI: 10.1093/arclin/act050
Keywords
Symptom validity tests; Effort; Neuropsychology; Military veterans; Traumatic brain injury; Posttraumatic stress disorder; Major depressive disorder; Service connection
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Funding
- Department of Veterans Affairs Mid-Atlantic Mental Illness Research, Education, and Clinical Center (MIRECC) for the Study of Post-Deployment Mental Health
- Department of Veterans Affairs Office of Academic Affiliations Advanced Fellowship Program in Mental Illness Research and Treatment
- Department of Veterans Affairs Rehabilitation Research and Development Career Development Award-2 [1IK2RX000703-01]
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This study investigates prior reports of high neuropsychological symptom validity test (SVT) failure rates in post-deployed Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) active and veteran military personnel, using a large, multi-site sample (N 214) drawn from three levels of the Department of Defense/Department of Veterans Affairs (VA) Polytrauma System of Care. The sample failure rate and its relationship to research versus dual research/clinical context of evaluation were examined, in addition to secondary variables explored in prior studies. Results yielded an overall failure rate of 25, lower than prior reports describing OEF/OIF active-duty and veteran military personnel. Findings also supported the hypothesis that SVT failure rates would differ by context (dual research). Participants with traumatic brain injury (TBI) failed more frequently than those without TBI in the dual context but not in the research context. Secondary analyses revealed that failure rates increased in the presence of depression, posttraumatic stress disorder, and male sex but were unrelated to active versus veteran military status, service connection (SC) or percentage of SC, age, education, or ethnicity. Further research is required to elucidate the underpinnings of these findings in light of the limited literature and variability between OEF/OIF-related SVT studies, as well as the substantial diagnostic and treatment implications for VA.
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