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  • Title: Truncal ataxia from infarction involving the inferior olivary nucleus.
    Author: Park JH, Ryoo S, Moon SY, Seo SW, Na DL.
    Journal: J Stroke Cerebrovasc Dis; 2012 Aug; 21(6):507-8. PubMed ID: 21277224.
    Abstract:
    Truncal ataxia in medullary infarction may be caused by involvement of the lateral part of the medulla; however, truncal ataxia in infarction involving the inferior olivary nucleus (ION) has received comparatively little attention. We report a patient with truncal ataxia due to medial medullary infarction located in the ION. A lesion in the ION could produce a contralateral truncal ataxia due to increased inhibitory input to the contralesional vestibular nucleus from the contralesional flocculus.
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