Graded Arrays of Spinal and Supraspinal V2a Interneuron Subtypes Underlie Forelimb and Hindlimb Motor Control


Hayashi et al. unmask a sequential process that creates V2a interneuron subtypes arrayed in counter-gradients along the spinal cord. The unique composition of V2a networks at each spinal level drives distinct activity in motor neurons controlling the forelimb and hindlimb.


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