ArticleNeuropsychology2026
Exploring the relative contributions of multiple modifiable physical health variables to executive function and episodic memory performance in older adults.
Article in Neuropsychology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThe majority of studies examining the relationship between fitness and cognition examine a single physical attribute. Here, we assessed the relative contributions of multiple modifiable physical health variables and demographic variables to cognition in healthy older adults.
methodOlder adults (
resultsAge, education, walking speed, and respiratory function explained the greatest amount of variance in the relative importance analysis for both executive functions/processing speed and episodic memory. Modifiable variables, including walking speed and respiratory function, accounted for similar amounts of variance as age in predicting executive functions/processing speed performance. After controlling for demographic variables, modifiable physical health variables of walking speed and respiratory function collectively accounted for an additional 9.9% and 3.3% variance in executive functions/processing speed and episodic memory, respectively.
conclusionsThese results indicated that modifiable physical health variables are differentially associated with cognitive performance. Fitness indicators can account for similar amounts of variance as age in executive functions/processing speed in healthy older adults. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
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