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. 2002 Nov;78(3):553-64.
doi: 10.1006/nlme.2002.4091.

Imaging brain plasticity during motor skill learning

Leslie G Ungerleider  1 , Julien Doyon, Avi Karni
Affiliations

Imaging brain plasticity during motor skill learning

Leslie G Ungerleider et al. Neurobiol Learn Mem. 2002 Nov.

Abstract

The search for the neural substrates mediating the incremental acquisition of skilled motor behaviors has been the focus of a large body of animal and human studies in the past decade. Much less is known, however, with regard to the dynamic neural changes that occur in the motor system during the different phases of learning. In this paper, we review recent findings, mainly from our own work using fMRI, which suggest that: (i) the learning of sequential finger movements produces a slowly evolving reorganization within primary motor cortex (M1) over the course of weeks and (ii) this change in M1 follows more dynamic, rapid changes in the cerebellum, striatum, and other motor-related cortical areas over the course of days. We also briefly review neurophysiological and psychophysical evidence for the consolidation of motor skills, and we propose a working hypothesis of its underlying neural substrate in motor sequence learning.

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