Overt saccades
This is an example of head impulse data that exhibits an abnormal vestibular ocular reflex on the left side indicated by the
gain response and the catch-up saccades. Looking at the Gain graph the data points are all within the gray range indicating a
unilateral loss. The head data shows very well performed head impulses and the eye data shows an inadequate vestibular
ocular reflex (A) that does not mirror the head velocities. There are overt catch-up saccades present (B). On the right side,
the downward spikes are due to spontaneous nystagmus.
Otometrics - ICS Impulse USB
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9 Head Impulse
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