Oscillatory interactions between sensorimotor cortex and the periphery.

Oscillatory interactions between sensorimotor cortex and the periphery.
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DOI:
10.1016/j.conb.2008.01.007
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发表时间:
2007-12
影响因子:
5.7
通讯作者:
Baker, Stuart N.
Baker, Stuart N.
中科院分区:
医学2区
文献类型:
--
作者:
Baker, Stuart N.

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Field potential recordings from motor cortex show oscillations in the beta-band (∼20 Hz), which are coherent with similar oscillations in the activity of contralateral contracting muscles. Recent findings have revised concepts of how this activity might be generated in the cortex, suggesting it could achieve useful computation. Other evidence shows that these oscillations engage not just motor structures, but also return from muscle to the central nervous system via feedback afferent pathways. Somatosensory cortex has strong beta-band oscillations, which are synchronised with those in motor cortex, allowing oscillatory sensory reafference to be interpreted in the context of the oscillatory motor command which produced it.
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