Human Brain Mapping · 4 authors, 3 centres
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This coordinate-based fMRI meta-analysis compared neural correlates and cognitive outcomes across cognitive (n=22), physical (n=22), and meditative (n=20) training studies in healthy non-expert individuals. Cognitive and physical training improved pre/post-training cognitive metrics, while all three training types increased brain activity in distinct but neighbouring fronto-medial cortical regions.
Pre/post-training cognitive metrics improved after cognitive and physical training but not after meditative training, though the latter finding may reflect a paucity of reported behavioural data. All three training types increased brain activity in distinct portions of the posterior fronto-medial cortex: meditative training in the dorsal anterior cingulate cortex (dACC), cognitive training in the dorsal midcingulate cortex, and physical training in the pre-supplementary motor area. Conjunction analysis showed no significant overlap among these clusters, and connectivity analyses confirmed that each cluster connects with segregated networks. The midcingulate cortex represents a common region of overlap across training-specific networks. The findings suggest that combined interventions targeting distinct fronto-medial regions may enhance training efficacy.
