Double dissociation of visuomotor interaction mediated by visual feedback during continuous de novo motor learning.

ABSTRACT: While the sensorimotor cortices are central neural substrates for motor control and learning, how the interaction between their subregions with visual cortices contributes to acquiring de novo visuomotor skills is poorly understood. We design a continuous visuomotor task in fMRI where participants control a cursor using their fingers while learning an arbitrary finger-to-cursor mapping. To investigate visuomotor interaction in the de novo motor task, we manipulate visual feedback of a cursor such that they learn to control using fingers under two alternating conditions: online cursor feedback is available or unavailable except when a target is reached. As a result, we find double dissociation of fMRI activity in subregions of the sensorimotor and visual cortices. Specifically, motor and la

SUBMITTER: Kim J 

PROVIDER: S-EPMC11391080 | biostudies-literature | 2024 Sep

REPOSITORIES: biostudies-literature