Cited by 15Dementia and Cognitive Impairment ResearchCognitive Abilities and TestingCognitive Functions and Memory

Higher white matter hyperintensity load adversely affects pre-post proximal cognitive training performance in healthy older adults

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Boutzoukas, Emanuel M., O’Shea, Andrew, Kraft, Jessica N., Hardcastle, Cheshire, Evangelista, Nicole D., Hausman, Hanna K., Albizu, Alejandro, Van Etten, Emily J. +11 more·2022·GeroScience

Abstract

Cognitive training has shown promise for improving cognition in older adults. Age-related neuroanatomical changes may affect cognitive training outcomes. White matter hyperintensities are one common brain change in aging reflecting decreased white matter integrity. The current study assessed (1) proximal cognitive training performance following a 3-month randomized control trial and (2) the contribution of baseline whole-brain white matter hyperintensity load, or total lesion volume (TLV), on pre-post proximal training change. Sixty-two healthy older adults were randomized to either adaptive cognitive training or educational training control interventions. Repeated-measures analysis of covariance revealed two-way group × time interactions such that those assigned cognitive training demonstrated greater improvement on proximal composite (total training composite) and sub-composite (processing speed training composite, working memory training composite) measures compared to education training counterparts. Multiple linear regression showed higher baseline TLV associated with lower pre-post change on processing speed training sub-composite (β = -0.19, p = 0.04), but not other composite measures. These findings demonstrate the utility of cognitive training for improving post-intervention proximal performance in older adults. Additionally, pre-post proximal processing speed training change appears to be particularly sensitive to white matter hyperintensity load versus working memory training change. These data suggest that TLV may serve as an important factor for consideration when planning processing speed-based cognitive training interventions for remediation of cognitive decline in older adults.

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Authors
Boutzoukas, E. M., O’Shea, A., Kraft, J. N., Hardcastle, C., Evangelista, N. D., Hausman, H. K., Albizu, A., Van Etten, E. J., Bharadwaj, P. K., Smith, S. G., Song, H., Porges, E. C., Hishaw, A., DeKosky, S. T., Wu, S. S., Marsiske, M., Alexander, G. E., Cohen, R., & Woods, A. J.
Affiliations
  • University of Florida Health (US)
  • University of Florida (US)
  • University of Arizona (US)
Corresponding author
Woods, Adam J.
Venue
GeroScience
Published
2022-03-12
Volume
44
Issue
3
Pages
1441-1455
ISSN
  • 2152-4041 (ISSN-L)
  • 2509-2715
  • 2509-2723
OpenAlex
W4220985427
Cited by
15
References
62
Citations by year
2026: 4 · 2025: 2 · 2024: 4 · 2023: 5
FWCI
1.79
Type
journal article
Language
en
Open access
Locations
  • GeroScience (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Heart, Lung, and Blood Institute (T32HL134621)
  • National Institute on Aging (T32AG020499, R01AG054077, P30AG019610)
  • National Science Foundation (NSF1842473)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Functions and Memory
Keywords
white matter hyperintensities, cognitive training, older adults, total lesion volume, processing speed, working memory, brain aging, cognitive decline
MeSH terms
Aged, Brain, Cognition, Cognition Disorders, Humans, Cognitive Dysfunction, White Matter

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