Aerobic exercise improved overall cognition and memory in a trial review
Pooled trials found improvements in overall cognition and memory, but no statistically clear gains in several other cognitive domains.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The pooled trials found better overall cognitive test performance and memory with aerobic exercise in older adults with mild cognitive impairment. Results for other domains were not statistically significant. That pattern does not establish that exercise affects some abilities more than others, or show whether daily functioning improved.
This abstract-based summary lacks comparator details and assessment timelines. The abstract does not report whether cognitive test changes translated into benefits in daily life.
What researchers found
Overall cognition: standardized mean difference
The gap favors aerobic exercise and is scaled to how widely scores vary, not raw test points. The interval gives plausible gap sizes. Comparator and assessment timing are unreported.
What the review measured
Researchers combined randomized trials assessing overall cognition and specific cognitive abilities. The question was whether aerobic exercise changed these test outcomes in older adults already identified as having mild cognitive impairment.
Uncertain results still matter
Executive function, attention, processing speed, language and visuospatial abilities showed no statistically clear improvement. Effects varied across intervention combinations, leaving uncertainty about which format, if any, produces the greatest benefit.
The original publication
Effects of aerobic exercise on cognitive function in older adults with mild cognitive impairment: a systematic review and meta-analysis.
Zhao Q, Hong ZC, Wei TT et al.
Front Psychiatry · 2025
- PubMed ID
- 41584749
- Record checked
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