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Motor learning is the process of improving the smoothness and accuracy of movements. It is obviously necessary for complicated movements such as playing the piano and climbing trees, but it is also important for calibrating simple movements like reflexes, as parameters of the body and environment change over time. The cerebellum and basal ganglia are critical for motor learning.

As a result of the universal need for properly calibrated movement, it is not surprising that the cerebellum and basal ganglia are widely conserved across vertebrates from fish to humans.

Although motor learning is capable of achieving Olympic feats of skill, much has been learned from studies of simple behaviors. These behaviors include eyeblink conditioning, motor learning in the vestibulo-ocular reflex, and birdsong. Research on Aplysia californica, a sea slug, has yielded detailed knowledge of the cellular mechanisms of a simple form of learning.

Interesting type of motor learning occurs during operation of brain-computer interface. For example, Mikhail Lebedev, Miguel Nicolelis and their colleagues recently demonstrated cortical plasticity that resulted in incorporation of an external actuator controlled through a brain-machine interface into the subject's neural representation.

[edit] See also

• Motor skill
• Procedural memory
• Brain-computer interface
• Section about motor learning and control in the Wikibook "Stuttering"

[edit] References

• Shadmehr, R. and Wise, S.P. (2005) The Computational Neurobiology of Reaching and Pointing: A Foundation for Motor Learning, MIT Press xviii + 575 pp.
• Lebedev, M.A., Carmena, J.M., O’Doherty, J.E., Zacksenhouse, M., Henriquez, C.S., Principe, J.C., Nicolelis, M.A.L. (2005) Cortical ensemble adaptation to represent actuators controlled by a brain machine interface. J. Neurosci. 25: 4681-4693.

This page uses content from the English-language version of Wikipedia. The original article was at Motor learning. The list of authors can be seen in the page history. As with Psychology Wiki, the text of Wikipedia is available under the GNU Free Documentation License.