Research and Policy Repository

  • Author: Alexandra L. Clark
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Traumatic brain injury, posttraumatic stress disorder, and vascular risk are independently associated with white matter aging in Vietnam-era Veterans

Abstract: Objective: Traumatic brain injury (TBI), mental health conditions (e.g., posttraumatic stress disorder [PTSD]), and vascular comorbidities (e.g., hypertension, diabetes) …

Mental Health Physical Health Peer reviewed

PTSD moderates the association between subjective cognitive decline and Alzheimer’s disease biomarkers in older Veterans

Abstract: Objectives: Post-traumatic stress disorder (PTSD) and subjective cognitive decline (SCD) are independent risk factors for Alzheimer’s disease (AD) and dementia, but the …

Mental Health Physical Health Peer reviewed

Cognition and Amyloid-β in Older Veterans: Characterization and Longitudinal Outcomes of Data-Derived Phenotypes

Abstract: Background: Within older Veterans, multiple factors may contribute to cognitive difficulties. Beyond Alzheimer’s disease (AD), psychiatric (e.g., PTSD) and health …

Mental Health Physical Health Peer reviewed

Research Letter: TBI Severity Moderates the Association Between Subjective and Objective Attention in Older Veterans

Abstract: Objective: This study examined the moderating effect of traumatic brain injury (TBI) history on subjective and objective cognition across multiple cognitive domains. …

Physical Health Peer reviewed

Subjective memory complaints are associated with decreased cortical thickness in veterans with histories of mild traumatic brain injury

Abstract: Objective: Memory problems are frequently endorsed in Veterans following mild traumatic brain injury (mTBI), but subjective complaints are poorly associated with …

Physical Health

An examination of racial/ethnic differences on the neurobehavioral symptom inventory among Veterans completing the comprehensive Traumatic Brain Injury evaluation: a Veterans Affairs Million Veteran Program Study

Abstract: Objective: The purpose of this study was to explore racial/ethnic differences in neurobehavioral symptom reporting and symptom validity testing among military veterans …

Physical Health Peer reviewed

Self-reported physical functioning, cardiometabolic health conditions, and health care utilization patterns in Million Veteran Program enrollees with Traumatic Brain Injury Screening and Evaluation Program data

Abstract: Background: Examining the health outcomes of veterans who have completed the United States Veterans Health Administration’s (VHA’s) Traumatic Brain Injury (TBI) …

Physical Health Peer reviewed