Triceps surae gamma-motoneurones were recorded during fictive locomotion in the paralysed high decerebrate cat. Two distinctive patterns of discharge were observed which were similar to those reported for static and dynamic gamma-motoneurones during locomotion in the same preparation, but without paralysis (Murphy, Stein & Taylor, 1984). These results suggest that movement-related afferent feedback is not essential for the generation of the basic patterns of static and dynamic gamma-motoneurone activity during locomotion. The results are discussed in relation to the generation of alpha and gamma locomotor rhythms.

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				P. R. Murphy Tonic and Phasic Discharge Patterns in Toe Flexor gamma -Motoneurons During Locomotion in the Decerebrate Cat J Neurophysiol, January 1, 2002; 87(1): 286 - 294. [Abstract] [Full Text] [PDF]