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Auditory evoked brainstem responses and medial olivocochlear efferent system in migraine patients with phonophobia

Emre Soylemez1, Aydın Sinan Apaydin2, Tugce Gurel Soylemez3

  • 1Department of Audiometry, Karabuk University, Karabuk, Turkiye.

Neurological Research
|November 20, 2024
PubMed
Abstract

Insights

Migraine patients show altered auditory brainstem responses and medial olivocochlear function. Phonophobia in migraineurs doesn't impact otoacoustic emissions but may influence auditory evoked brainstem responses.

Area of Science:

  • Neuroscience
  • Audiology
  • Ophthalmology

Background:

  • Migraine is a complex neurological disorder.
  • Phonophobia, a common migraine symptom, suggests heightened sensory sensitivity.
  • Auditory function in migraineurs requires further investigation.

Purpose of the Study:

  • To investigate Auditory Evoked Brainstem Responses (ABR) and Distortion Product Otoacoustic Emission (DPOAE) suppression in migraine patients.
  • To compare auditory function between migraine patients with and without phonophobia and healthy controls.

Main Methods:

  • Included 32 migraine patients and 30 healthy controls.
  • Assessed ABR, DPOAE, and DPOAE suppression.
  • Categorized migraine patients based on phonophobia status.

Main Results:

  • Migraine patients exhibited reduced DPOAE suppression and shorter ABR wave latencies compared to controls.
  • Phonophobia did not significantly affect DPOAE suppression.
  • Migraine patients with phonophobia showed shorter ABR wave I and V latencies than controls.

Conclusions:

  • Migraine patients display alterations in auditory evoked brainstem responses and the medial olivocochlear efferent system.
  • Phonophobia in migraineurs may influence ABR but not the medial olivocochlear efferent system.
Keywords:
ABRDPOAEMigrainehearingphonophobiasuppression

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