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Ocular Torsion and Tilt of Subjective Visual Vertical are Sensitive Brainstem Signs Ann Neurol 33:292-299, Dieterich,M.&Brandt,T., 1993 See this aricle in Pubmed Article Abstract Based on neuroimaging,we conclude that all unilateral brainstem lesions caudal to the upper pons cause ipsiversive OT of one or both eyes,with concurrent ipsiversive tilts of SVV adjustments;all lesions rostral to this pontine level cause contraversive tilts of OT and SVV.Evidence is presented that pathological tilts of OT and SVV are secondary to a dysfunction of the tonic bilateral vestibular inputs that stabilize the eyes and head in normal upright position in the roll plane and dominate our perception of verticality.

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(click to filter results - removes previous filter) brainstem,hemorrhage,primary brainstem,infarction of brainstem,lesion of cerebrovascular accident eye movement,disorders of multiple sclerosis neuroophthalmology ocular torsion

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