ArticleNeuropsychology2020
Using intraindividual variability as an indicator of cognitive improvement in a physical exercise intervention of older women with mild cognitive impairment.
Article in Neuropsychology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 2 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 2 syntheses or guidelines pooled it, 12 citations in OpenAlex.
- Associations of cognitive intraindividual variability with Alzheimer's disease risk: A systematic review.The Clinical neuropsychologist · 2026Pooled it
- Meta-analysis of the effects of dance- and movement-based kinesthetic games on cognitive function in older adults with cognitive impairment (CI) under different intervention periods.Aging clinical and experimental research · 2025Pooled it
- Intra-individual variability in cognitive performance predicts falls in older adults with chronic stroke.Aging clinical and experimental research · 2025Trial
- Inter- and intra- individual variability in audiovisual multisensory processes in healthy ageing.Aging brain · 2026Article
- Menopause-related brain fog as a midlife window in women's brain aging: toward ecologically valid measurement and digital phenotyping.Frontiers in human neuroscience · 2026Article
- Naming practice effects and inconsistencies relate to treatment outcome in people with aphasia.Neuropsychologia · 2025Article
- Resistance training protects the hippocampus and precuneus against atrophy and benefits white matter integrity in older adults with mild cognitive impairment.GeroScience · 2025Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
objectivesIntervention programs designed to improve cognitive ability in older adults with mild cognitive impairment (MCI) have often focused on physical exercise as a means to improve traditional measures of cognition, with mixed success. Individuals with MCI show high levels of intraindividual variability (IIV) in response speed, and IIV may be sensitive to intervention-related changes. The current study evaluated if participants who participated in a physical activity intervention (aerobic or resistance training) showed a reduction in IIV, compared to a balance and tone control group.
methodThis study was a secondary analysis of the EXercise for Cognition and Everyday Living (EXCEL) Study. Women Aged 70-80 years with probable MCI (
resultsAnalyses were conducted following both the intent-to-treat principle and complier average casual effect (CACE) modeling. Participants in the intervention group who complied with the program showed reduced IIV on task switching in the CACE models. The intent-to-treat analyses were all nonsignificant.
conclusionsPhysical exercise resulted in improved IIV in older adults with probable MCI, showing that IIV is modifiable by lifestyle engagement. IIV may be a useful complementary index of cognitive plasticity particularly among those with cognitive impairment. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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Registered trials
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