In the study, the investigators would like to examine whether there is a difference between patients with vestibular migraine, patients with episodic or chronic migraine and healthy subjects in the examination of videonystagmography, which has been used for many years to differentiate and diagnose vertigo disorders. Accordingly, videonystagmography could also be discussed as an important diagnostic instrument for the diagnosis of the still young disease vestibular migraine.
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mean comparison nystagmus frequency
Timeframe: Mean of nystagmus frequency at study enrollment, Baseline
mean comparison GLP (speed of the slow phase) of nystagmus in °/s or sum of °/s
Timeframe: Mean of nystagmus GLP at study enrollment, Baseline
Comparison head impulse test (vHIT)
Timeframe: result of head impulse test at study enrollment, Baseline