The Olympic brain. Does corticospinal plasticity play a role in acquisition of skills required for high-performance sports?
Non-invasive electrophysiological and imaging techniques have recently made investigation of the intact behaving human brain possible. One of the most intriguing new research areas that have developed through these new technical advances is an improved understanding of the plastic adaptive changes in neuronal circuitries underlying improved performance in relation to skill training. Expansion of the cortical representation or modulation of corticomotor excitability of specific muscles engaged in task performance is required for the acquisition of the skill. These changes at cortical level appear to be paralleled by changes in transmission in spinal neuronal circuitries, which regulate the contribution of sensory feedback mechanisms to the execution of the task. Such adaptive changes also appear to be essential for the consolidation of a memory of performance of motor tasks and thus for the lasting ability of performing highly skilled movements such as those required for Olympic sports.
Nielsen
Jens Bo
JB
Department of Neurobiology and Pharmacology, Panum Institute, University of Copenhagen, Blegdamsvej 3, 2200 Copenhagen N, Denmark. j.b.nielsen@mfi.ku.dk
Cohen
Leonardo G
LG
D054874:Athletic Performance / Q000502:physiology*; D001921:Brain / Q000502:physiology*; D006801:Humans; D008568:Memory / Q000502:physiology; D009048:Motor Skills / Q000502:physiology; D009473:Neuronal Plasticity / Q000502:physiology*; D011712:Pyramidal Tracts / Q000502:physiology; D013177:Sports
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