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Posterior vermal split syndrome
Author(s) -
Bastian Amy J.,
Mink Jonathan W.,
Kaufman Bruce A.,
Thach W. Thomas
Publication year - 1998
Publication title -
annals of neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 4.764
H-Index - 296
eISSN - 1531-8249
pISSN - 0364-5134
DOI - 10.1002/ana.410440405
Subject(s) - gait , cerebellar vermis , physical medicine and rehabilitation , anatomy , medicine , psychology , cerebellum , neuroscience
We have studied a battery of movements in 5 children (age, 6–15 years) after transection of the posterior inferior cerebellar vermis. In each case, the surgery destroyed the midline vermis only (ranging from lobules VI–X). Tandem gait was badly impaired in all subjects. No subjects had impairments of kicking, reaching, pinching, or speech. Regular gait, standing, and hopping on one leg were relatively unimpaired. Cutting the parallel fibers that cross the midline may be the critical variable causing incoordination in tandem gait.