Estimation of self-sustained activity produced by persistent inward currents using firing rate profiles of multiple motor units in humans
Babak Afsharipour, Nagib Manzur, Jennifer Duchcherer, Keith F. Fenrich, Christopher K. Thompson, Francesco Negro, Katharina A. Quinlan, David J. Bennett, Monica A. Gorassini
Abstract
A new method of estimating synaptic drive to multiple, simultaneously recorded motor units provides evidence that the portion of the depolarizing drive from persistent inward currents that contributes to self-sustained firing is similar across motoneurons of different sizes.
Topics & Concepts
NeuroscienceDepolarizationMotor unitElectrophysiologyPsychologyBiophysicsBiologyMuscle activation and electromyography studiesEEG and Brain-Computer InterfacesMotor Control and Adaptation