title: Unilateral control of bilaterally symmetrical movement as factor in lateralization of speech.
abstract: A number of bilaterally symmetrical motor patterns, preformed in their basic topography at brainstem levels, are most efficiently guided through unilateral input. This concept is related to the lateralization of speech.
mesh_terms: D001307:Auditory Perception / Q000502:physiology; D001933:Brain Stem / Q000502:physiology; D007839:Functional Laterality; D006801:Humans; D009043:Motor Activity / Q000502:physiology; D009068:Movement; D013060:Speech / Q000502:physiology*