Cortical hemodynamics as a function of handgrip strength and cognitive performance: a cross-sectional fNIRS study in younger adults.

Correlations between measures of handgrip strength and cognitive performance in Sternberg task The non-parametric partial correlations (controlling for the influence of age and gender) between left- and right-hand absolute handgrip strength (AHS) and reaction time in Sternberg task [left AHS: r p (35) = − 0.278; p = 0.096/right AHS: r p (35) = − 0.157; p = 0.354] and between left- and right-hand normalized handgrip strength (NHS) and reaction time in Sternberg task [left NHS: r p (35) = − 0.253; p = 0.131/right NHS: r p (35) = − 0.134; p = 0.431] did not reach statistical significance.

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