Head impulse test in unilateral vestibular loss: vestibulo-ocular reflex and catch-up saccades.

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Abstract

Quantitative head impulse test (HIT) measures the gain of the angular vestibulo-ocular reflex (VOR) during head rotation as the ratio of eye to head acceleration. Bedside HIT identifies subsequent catch-up saccades after the head rotation as indirect signs of VOR deficit.

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PubMed ID:: 18250290

DOI:: 10.1212/01.wnl.0000299117.48935.2e

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Head impulse test in unilateral vestibular loss: vestibulo-ocular reflex and catch-up saccades.

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Karger: Neurology and Neuroscience

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