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Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
Published on: May 23, 2013
Subclinical vestibulocerebellar dysfunction in migraine with and without aura
H Harno1, T Hirvonen, M A Kaunisto
1Department of Neurology, Helsinki University Central Hospital, Finland. hanna.harno@hus.fi
Neurology
|December 25, 2003
Summary
Migraine patients often have hidden neurotologic dysfunction, even without symptoms. Abnormalities in oculomotor and vestibular tests were common in migraine with aura (MA) and migraine without aura (MO) patients compared to controls.
Area of Science:
- Neurology
- Neurotology
- Ophthalmology
Background:
- Neurotologic symptoms are frequently observed in migraine patients.
- Understanding the relationship between neurotologic findings and migraine type is crucial.
Purpose of the Study:
- To investigate if neurotologic findings correlate with migraine type.
- To compare neurotologic test results in migraineurs versus healthy controls.
Main Methods:
- 36 migraine patients (12 MA, 24 MO) underwent neurotologic testing between attacks.
- Tests included video-oculography (VOG), electronystagmography, posturography, and audiometry.
- Results were compared to non-migrainous control groups.
Main Results:
- 83% of migraine patients showed abnormalities in at least one test, despite lacking clinical symptoms.
- Significant differences were found in VOG, saccadic accuracy, and posturography compared to controls.
- Vestibular impairments appeared more pronounced in MA than MO.
Conclusions:
- Interictal neurotologic dysfunction in MA and MO shares common features.
- Defective oculomotor function in migraineurs is likely of vestibulocerebellar origin.
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