On the problem of the pathology of spasmodic torticollis in man.

Those regions which have been implicated by experimental and clinical neuropathological studies in the pathogenesis of spasmodic torticollis were examined in detail in the present patient and no histological abnormalities found. In the light of marked species differences in the effects of certain brain lesions on posture and the findings reported here, the pathogenesis of spasmodic torticollis in man may well be different from its pathogenesis in experimental animals.