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Pathophysiology of benign paroxysmal positional vertigo (BPPV) is canalolithiasis in the semicircular canal. The principle of Epley maneuver is moving debris from a long arm to the utricle, therefore debris stimulates the utricular macula in the sitting position after the treatment. To clarify the characteristics of eye movements evoked by the stimulation of unilateral macula of the utricle.
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Ichijo Hiroaki (2023) studied this question.
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