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  • Title: Participation of Ia reciprocal inhibitory neurons in the spinal circuitry of the tonic neck reflex.
    Author: Yamagata Y, Yates BJ, Wilson VJ.
    Journal: Exp Brain Res; 1991; 84(2):461-4. PubMed ID: 2065754.
    Abstract:
    As part of our studies of the spinal circuitry of the tonic neck reflex, we have recorded extracellularly from Ia reciprocal inhibitory neurons of the decerebrate, labyrinthectomized cat. The activity of a majority of neurons driven by stimulation of the quadriceps nerve was modulated by sinusoidal rotation of the neck; such modulation was much less frequent in the case of neurons driven by stimulation of nerves to more distal muscles. The results suggest that some of the inhibition which is part of the tonic neck reflex is mediated by Ia reciprocal inhibitory neurons, but that other pathways must also play an important role.
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