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Acta Physiol (Oxf). 2007 Feb;189(2):123-40.

The C3-C4 propriospinal system in the cat and monkey: a spinal pre-motoneuronal centre for voluntary motor control.

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1
Department of Integrative Medical Biology, Section of Physiology, Umeå University, Umeå, Sweden. bror.alstermark@physiol.umu.se

Abstract

This review deals with a spinal interneuronal system, denoted the C3-C4 propriospinal system, which is unique in the sense that it so far represents the only spinal interneuronal system for which it has been possible to demonstrate a command mediating role for voluntary movements. The C3-C4 propriospinal neurones govern target reaching and can update the descending cortical command when a fast correction is required of the movement trajectory and also integrate signals generated from the forelimb to control deceleration and termination of reaching.

[Indexed for MEDLINE]

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