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Correlation between hemispheric network efficiency and age, specifically for (A) contralateral hemispheric, (B) ipsilateral hemispheric, and (C) interhemispheric networks. Correlation coefficients are represented as functions of connection density across a range from 0.10 to 0.40 with an increment of 0.05. Empty squares indicate significant correlations and stars indicate significant differences in correlation between dominant and nondominant hand grip.
