Cortical responses to whole-body balance perturbations index perturbation magnitude and predict reactive stepping behavior.

ABSTRACT: The goal of this study was to determine whether the cortical responses elicited by whole-body balance perturbations were similar to established cortical markers of action monitoring. Postural changes imposed by balance perturbations elicit a robust negative potential (N1) and a brisk increase of theta activity in the electroencephalogram recorded over midfrontal scalp areas. Because action monitoring is a cognitive function proposed to detect errors and initiate corrective adjustments, we hypothesized that the possible cortical markers of action monitoring during balance control (N1 potential and theta rhythm) scale with perturbation intensity and the eventual execution of reactive stepping responses (as opposed to feet-in-place responses). We recorded high-density electroencephalogram fro

SUBMITTER: Solis-Escalante T 

PROVIDER: S-EPMC9290492 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature