THE BOBBLE-HEAD DOLL SYNDROME: A "TIC" WITH A NEUROPATHOLOGIC BASIS

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Abstract
A 3rd patient with the "bobble-head doll syndrome" was reported. This is a "tic-like" movement disorder described thus far only in children. Its chief features are a 2 to 3 per sec. up-and-down or to-and-fro bobbing of the head, sometimes also of the trunk which could be inhibited voluntarily and disappeared in sleep. Each child had chronic, slowly-progressive hydrocephaly, including marked enlargement of the 3rd ventricle. In the patient presented here this was due to aqueductal stenosis, probably acquired; in the 2 patients presented previously a large cyst was found in the region of the 3rd ventricle. Because surgical relief of hydrocephaly resulted in disappearance, or at least marked reduction of the head-bobbing, recognition of this "tic" with a neuropatho-logic basis is of therapeutic importance.

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