Publications by authors named "Alexandra L Clark"

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Built and Social Environment Resources are Associated with Memory Outcomes of Adults Enrolled in the Health and Retirement Study.
Abbey M Hamlin, Lourdes S Romañach Álvarez, Elizabeth Muñoz, Ashley Chikkala, Alexandra L Clark

Res Aging· October 2025

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Health and Aging Brain Study-Health Disparities (HABS-HD) methods and partner characteristics.
Melissa E Petersen, Zhengyang Zhou, James R Hall, Nicole Phillips, Karin L Meeker, Alexandra L Clark

Alzheimers Dement (N Y)· August 2025

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On the complexity of biomarker-driven diagnoses of Alzheimer's disease.
Stephanie M Grasso, Miguel Ángel Santos-Santos, Alexandra Leigh Clark

J Neuropsychol· June 2025

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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.
Alexandra L Clark, Abbey M Hamlin, Ashley Chikkala, Alexandra J Weigand, Wassim Tarraf

Alzheimers Dement Behav Socioecon Aging· June 2025

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Health insurance coverage moderates the relationship between metabolic syndrome and baseline memory outcomes in Latino older adults.
Jordana Breton, Janelle T Foret, Abbey M Hamlin, Nazareth Ortega, Alexandra L Clark

Clin Neuropsychol· May 2025

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Diabetes and cortical thickness in ethnically diverse cognitively normal older adults.
Amaryllis A Tsiknia, Victoria R Tennant, Noelle Lee, Brandon J Hall, Raul Vintimilla, Alexandra L Clark

Alzheimers Dement (Amst)· May 2025

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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.
Alexandra L Clark, Makenna B McGill, Alexandra J Weigand, Julie K Wisch, Kalen Petersen

Alzheimers Dement (N Y)· May 2025

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PTSD moderates the association between subjective cognitive decline and Alzheimer's disease biomarkers in older veterans.
Britney Luu, Katherine J Bangen, Alexandra L Clark, Alexandra J Weigand, Peter Rantins

Aging Ment Health· February 2025

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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.
Abbey M Hamlin, Alexandra J Weigand, Olivio J Clay, Michael Marsiske, Gail Wallace, Alexandra L Clark

J Gerontol B Psychol Sci Soc Sci· January 2025

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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.
Rachel A Bernier, Erin E Sundermann, Steven D Edland, Kacie D Deters, Alyx L Shepherd, Alexandra L Clark

J Appl Gerontol· December 2024

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Traumatic brain injury, posttraumatic stress disorder, and vascular risk are independently associated with white matter aging in Vietnam-Era veterans.
Makenna B McGill, Alexandra L Clark, David M Schnyer,

J Int Neuropsychol Soc· December 2024

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Integrating Diversity, Culture, and Equity into the Neuropsychological Evaluation.
Anny Reyes, Stephanie Torres, Talia L Robinson, Miguel Arce Rentería, Alexandra L Clark

Neurol Clin· November 2024

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Heterogeneity in cognitive profiles of monolingual and bilingual Hispanic/Latino older adults in HABS-HD.
Alexandra L Clark, Anny Reyes, Jordana Breton, Melissa Petersen, Sid O'Bryant

J Int Neuropsychol Soc· November 2024

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Age exacerbates the negative effect of depression on executive functioning in racial and ethnic minorities.
Zhimei Niu, Andreana P Haley, Alexandra L Clark, Audrey Duarte

Brain Imaging Behav· October 2024

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Research Letter: TBI Severity Moderates the Association Between Subjective and Objective Attention in Older Veterans.
Peter Rantins, Monica Ly, Alexandra L Clark, Alexandra J Weigand, Alin Alshaheri Durazo

J Head Trauma Rehabil· May 2024

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Cognition and Amyloid-β in Older Veterans: Characterization and Longitudinal Outcomes of Data-Derived Phenotypes.
Kelsey R Thomas, Alexandra L Clark, Alexandra J Weigand, Lauren Edwards, Alin Alshaheri Durazo

J Alzheimers Dis· May 2024

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Lower Body Mass Index at Baseline Is Related to Steeper Cognitive Decline in the Alzheimer's Disease Neuroimaging Initiative Cohort.
Andreana P Haley, Alexandra L Clark, Audrey Duarte,

Psychosom Med· February 2024

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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.
Alexandra L Clark, Kelsey R Thomas, Nazareth Ortega, Andreana P Haley, Audrey Duarte

Alzheimers Dement· February 2024

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Pulse pressure and APOE ε4 dose interact to affect cerebral blood flow in older adults without dementia.
Lauren Edwards, Kelsey R Thomas, Alexandra J Weigand, Emily C Edmonds, Alexandra L Clark

Cereb Circ Cogn Behav· January 2024

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Bilingual neurocognitive resiliency, vulnerability, and Alzheimer's disease biomarker correlates in Latino older adults enrolled in the Health and Aging Brain Study - Health Disparities (HABS-HD).
Stephanie M Grasso, Alexandra L Clark, Melissa Petersen, Sid O'Bryant,

Alzheimers Dement (Amst)· December 2023

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Sex moderates the association between age and myelin water fraction in the cingulum and fornix among older adults without dementia.
Einat K Brenner, Katherine J Bangen, Alexandra L Clark, Lisa Delano-Wood, Nicole D Evangelista

Front Aging Neurosci· December 2023

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Subjective memory complaints are associated with decreased cortical thickness in Veterans with histories of mild traumatic brain injury.
Monica T Ly, Victoria C Merritt, Erin D Ozturk, Alexandra L Clark, Karen L Hanson

Clin Neuropsychol· November 2023

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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.
McKenna S Sakamoto, Karen L Hanson, Catherine Chanfreau-Coffinier, Mark H C Lai, Cristina A F Román, Alexandra L Clark

Arch Clin Neuropsychol· August 2023

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White Matter Hyperintensity Volume and Amyloid-PET Synergistically Impact Memory Independent of Tau-PET in Older Adults Without Dementia.
Lauren Edwards, Kelsey R Thomas, Alexandra J Weigand, Emily C Edmonds, Alexandra L Clark

J Alzheimers Dis· July 2023

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What does Juneteenth mean in STEMM?
Heather K Beasley, Alexandra L Clark, Aleena Garner, Frankie D Heyward, Erika Moore

Cell· June 2023

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