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Vestibular compensation in cerebellar stroke patients

Eur J Neurol. 2014 Jun 19. doi: 10.1111/ene.12475. [Epub ahead of print]

Authors/Editors: Baier B, Müller N, Rhode F, Dieterich M.
Publication Date: 2014

2014_07_baier

Abstract

BACKGROUND AND PURPOSE:
There is little evidence about the site where compensatory vestibular mechanisms in patients with cerebellar strokes take place.

METHODS:
To determine whether the location of a cerebellar lesion might be a crucial variable in vestibular compensation a sample of 22 patients with cerebellar stroke were tested for graviceptive function in the acute and chronic stage.

RESULTS:
Our statistical anatomical lesion analysis indicated that mainly lesions of the cerebellar hemispheres (lobule V, VI, VIIa) hinder vestibular compensation and might lead to an overcompensation.

CONCLUSIONS:
Overcompensation-induced dysfunction can be explained by the absence of cerebellar inhibitory signals.

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