Temporal specificity of the initial adaptive response in motor adaptation.

ABSTRACT: Repeated exposure to a novel physical environment eventually leads to a mature adaptive response whereby feedforward changes in motor output mirror both the amplitude and temporal structure of the environmental perturbations. However, adaptive responses at the earliest stages of learning have been found to be not only smaller, but systematically less specific in their temporal structure compared to later stages of learning. This observation has spawned a lively debate as to whether the temporal structure of the initial adaptive response is, in fact, stereotyped and non-specific. To settle this debate, we directly measured the adaptive responses to velocity-dependent and position-dependent force-field perturbations (vFFs and pFFs) at the earliest possible stage of motor learning in humans-a

SUBMITTER: Joiner WM 

PROVIDER: S-EPMC5503165 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature