Gene E. Alexander

University of Southern California — United States

Medicine · Health Sciences

77h-index23.8kcitations311works4.82yr avg
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Research Topics

Dementia and Cognitive Impairment Research(118), Functional Brain Connectivity Studies(68), Alzheimer's disease research and treatments(63), Advanced Neuroimaging Techniques and Applications(44), Neurological Disease Mechanisms and Treatments(28)

Publications311 total

The dynamics of explore-exploit decisions suggest a threshold mechanism for reduced random exploration in older adults
PLoS Computational Biology·2025Open Access
Cognitive correlates of human endurance
Proceedings of the National Academy of Sciences·2025Open Access
Association Between Physical Activity During Active Commuting and Leisure Time With Cognitive Decline: Findings of the ELSA-Brasil Study
Journal of Physical Activity and Health·2025
Abstract 4372915: In a vascular disease cohort, pTau217 correlates with processing speed and executive function, but not memory.
Circulation·2025
In an older‐age vascular cohort, carotid stenosis is associated with processing speed and executive function cognitive deficits, which correlate with p‐tau217
Alzheimer s & Dementia·2025Open Access
A neurobiological taxonomy of sedentary behavior for brain health
Trends in Neurosciences·2025· 8 cited
Extracranial Carotid Artery Disease is Associated with Decreased Ipsilateral Cortical Surface Area in Regions Relevant to Cognitive Decline
Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition·2025
Racial Inequities in Cognitive Decline of Middle-Aged and Older Adults
Neurology·2025
Cognitive impairment and p‐tau217 are high in a vascular patient cohort
Alzheimer s & Dementia·2025· 7 citedOpen Access
Functional assessments of short-term spatial memory in the Dog Aging Project identify strong associations with age that are not moderated by body mass
2025Open Access
Regional network covariance patterns of white matter integrity related to cardiorespiratory fitness in healthy aging
Frontiers in Aging Neuroscience·2025Open Access
Your Brain Doesn’t Look a Day Past 70! Cross-Sectional Associations with Brain-Predicted Age in the Cognitively-Intact Oldest-Old
2025· 1 citedOpen Access
Subcortical brain volumetric differences related to white matter lesion volume and cognition in healthy aging
npj Aging·2025· 1 citedOpen Access
Associations between the 24-h Activity Daily Cycle and Incident Dementia
Medicine & Science in Sports & Exercise·2025· 2 cited
Nonlinear Associations of Accelerometer-Based Sedentary Time With Cognitive Functions in the UK Biobank
The Journals of Gerontology Series B·2025· 1 cited
Network segregation is associated with processing speed in the cognitively healthy oldest-old
eLife·2025· 1 citedOpen Access
The dynamics of explore-exploit decisions suggest a threshold mechanism for reduced random exploration in older adults
2025· 1 citedOpen Access
Plasma Proteomic Signatures of Physical Activity Provide Insights into Biological Impacts of Physical Activity and its Protective Role Against Dementia
2025· 3 citedOpen Access
Associations Between Walking Pace, APOE-ε4 Genotype, and Brain Health in Middle-Aged to Older Adults
Medicine & Science in Sports & Exercise·2025
Effect of transcranial direct current stimulation with cognitive training on executive functions in healthy older adults: a secondary analysis from the ACT trial
GeroScience·2024· 5 citedOpen Access
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Frequent Co-authors

Eric M. Reiman(22), Kewei Chen(18), Clifford R. Jack(17), Michael W. Weiner(14), Paul M. Thompson(13), Arthur W. Toga(13), Anthony Gamst(13), Matt A. Bernstein(11), Norbert Schuff(11), Adam Fleisher(11), John C. Morris(11), Danielle Harvey(10), Robert C. Green(10), William J. Jagust(10), Nick C. Fox(9), Richard J. Caselli(9), Paul Aisen(9), John Q. Trojanowki(9), Laurel Beckett(9), Dan Bandy(9)