On the significance of various command signals during voluntary control.
D000818:Animals; D005246:Feedback; D000882:Haplorhini; D008954:Models, Biological; D009046:Motor Neurons / Q000502:physiology*; D009068:Movement; D009132:Muscles / Q000502:physiology*; D011712:Pyramidal Tracts / Q000502:physiology*; D012018:Reflex; D013116:Spinal Cord / Q000502:physiology; D014836:Volition