Reduction in learning rates associated with anterograde interference results from interactions between different timescales in motor adaptation.

ABSTRACT: Prior experiences can influence future actions. These experiences can not only drive adaptive changes in motor output, but they can also modulate the rate at which these adaptive changes occur. Here we studied anterograde interference in motor adaptation--the ability of a previously learned motor task (Task A) to reduce the rate of subsequently learning a different (and usually opposite) motor task (Task B). We examined the formation of the motor system's capacity for anterograde interference in the adaptive control of human reaching-arm movements by determining the amount of interference after varying durations of exposure to Task A (13, 41, 112, 230, and 369 trials). We found that the amount of anterograde interference observed in the learning of Task B increased with the duration of Tas

SUBMITTER: Sing GC 

PROVIDER: S-EPMC2924244 | biostudies-literature | 2010 Aug

REPOSITORIES: biostudies-literature