Alexandra L. Clark

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Assistant Professor

University of Texas at Austin

United States

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About

Dr. Alexandra L. Clark is an Assistant Professor at The University of Texas at Austin in the United States. Her research focuses on the cognitive functioning and health outcomes of older adults, particularly among racially and ethnically minoritized populations. Recent articles highlight her work on the impact of socio-economic factors on cognitive trajectories, psychosocial behavior, and neuroimaging measures in aging populations. Additionally, she investigates the associations between traumatic brain injury, PTSD, and vascular risk concerning cognitive aging.

Recent Grants

Grant: Close

Harnessing the power of VINCI to examine synergistic associations between TBI history and confounding risk factors on AD/ADRD in Military Veterans

Open Date: 2023-06-01

Close Date: 2025-05-01

Grant: Close

Network analysis and the neurovascular underpinnings of discrimination in pathological aging outcomes Black older adults

Open Date: 2023-04-01

Close Date: 2024-03-01

Grant: Close

Subjective and objective cognitive decline in community-dwelling older adults

Open Date: 2023-01-01

Close Date: 2025-12-01

Grant: Close

The Role of Inflammation and Blood-Brain-Barrier Breakdown with an Emphasis on Temporal Course and Social Determinants of Pathophysiological Pathways in Racially/Ethnically Diverse Individuals

Open Date: 2021-08-01

Close Date: 2022-12-01

Grant: Close

The Relationship Between Cerebral Blood Flow and Neuropsychological Outcomes Following mTBI

Open Date: 2018-01-01

Close Date: 2019-01-01

Articles (21)

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Associate Professor

University of California, San Diego

UNITED STATES

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Alexandra L. Clark

Research Interests

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About

Recent Grants

Articles (21)

The impact of tract‐ and county‐level segregation on 10‐year cognitive and everyday functioning outcomes of Black/African American older adults in the ACTIVE study

Psychosocial behavioral phenotypes of racially/ethnically minoritized older adults enrolled in HABS‐HD differ on neuroimaging measures of brain age gap, hippocampal volume, and cortical thickness

Phonocardiography based pulse wave velocity system for non-occlusive assessment of arterial stiffness

The Independent and Interactive Effects of Economic Stability and Healthcare Access on 10-Year Cognitive Trajectories of Black/African American and White Older Adults from the ACTIVE Study

Exercise: Just What the Doctor Ordered, But Why? Elucidating Mechanisms for Women’s Increased High-Density Lipoprotein Benefit From Exercise and for the Health ABC Study

Traumatic brain injury, posttraumatic stress disorder, and vascular risk are independently associated with white matter aging in Vietnam-Era veterans

Heterogeneity in cognitive profiles of monolingual and bilingual Hispanic/Latino older adults in HABS-HD

Heterogeneity in cognitive profiles of monolingual and bilingual Hispanic/Latino older adults in HABS-HD

Health insurance coverage moderates the relationship between metabolic syndrome and baseline memory outcomes in Latino older adults

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

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.

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

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

A Pilot Trial of Dopamine Replacement for Dynamic Facial Expressions in Parkinson's Disease

Empirically derived psychosocial-behavioral phenotypes in Black/African American and Hispanic/Latino older adults enrolled in HABS-HD: Associations with AD biomarkers and cognitive outcomes.

Fatty Acid-Binding Protein 3 Is a Marker of Neurodegeneration and White Matter Hyperintensity Burden in Mexican American Older Adults

An examination of the clinical utility of phonemic fluency in healthy adults and adults with mild cognitive impairment

Subjective cognitive and psychiatric well-being in U.S. Military Veterans screened for deployment-related traumatic brain injury: A Million Veteran Program Study

Associations between social determinants of health and 10‐year change in everyday functioning within Black/African American and White older adults enrolled in ACTIVE

Cerebral blood flow, tau imaging, and memory associations in cognitively unimpaired older adults

White Matter Microstructure is Associated with Serum Clusterin and Everyday Functioning in a Sample of Nondemented Older Adults.

Collaborators (7)

David Schnyer

Hok Chio Lai

Olivio Clay

Audrey Duarte

Monica Ly

Andreana Haley

Victoria Merritt

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