Why the study?
Examiner-related factors can influence video head impulse test results, requiring investigation to optimize operational procedures and ensure test accuracy and reliability.
How do examiner-related factors influence vestibulo-ocular reflex (VOR) gain outcomes during video head impulse test (vHIT)?
How do examiner-related factors influence vestibulo-ocular reflex (VOR) gain outcomes during video head impulse test (vHIT)?
Standardizing vHIT protocols by using a fixed target distance, jaw hand positioning, and experienced examiners minimizes examiner-related interference and ensures reliable VOR gain results.
May warrant velocity standardization to minimize vHIT variability; hypothesis-generating for examiner protocol optimization.
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Hu et al. (2026) studied this question.
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