Exercise studies found brain activation patterns that varied with mental tasks
A review of brain imaging studies found both shared and task-specific activation changes. The reported outcomes were brain signals, which do not by themselves show better everyday thinking.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review asked whether exercise relates to different brain changes depending on the mental task. It found increased activation in the precuneus across tasks, alongside different regional patterns during executive and low-control tasks. These are brain imaging findings; the abstract does not quantify improvements in cognitive performance or daily functioning.
The abstract does not describe participants, exercise protocols, comparison conditions or study durations. It also provides no numerical effect sizes for the reported activation changes.
Looking across task types
Researchers grouped studies by the cognitive task used during scanning. This let them look for activation patterns shared across task types and patterns associated with the particular demands of a task.
Activation is a distinct outcome
Executive tasks were associated with more cingulate activation, while low-control tasks showed increases in other regions. Both categories also included decreases. A change in activation should not be read as a direct measure of how well someone thinks.
The original publication
Task-dependent neural effects of physical exercise: A systematic review and meta-analysis of functional magnetic resonance imaging studies.
Li G, Liu Y, Liu C et al.
Trends Neurosci Educ · 2025
- PubMed ID
- 41274776
- Record checked
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