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Published on: July 12, 2012
Impaired auditory information processing during acute migraine: a magnetoencephalography study.
Milena Korostenskaja1, Maria Pardos, Teija Kujala
1Division of Neurology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA. milena.korostenskaja@cchmc.org
The International Journal of Neuroscience
|March 24, 2011
Summary
Adolescents with acute migraine show impaired auditory processing and delayed neural responses compared to healthy peers. This suggests underlying cortical dysfunction during migraine attacks.
Area of Science:
- Neuroscience
- Auditory Neuroscience
- Migraine Research
Background:
- Acute migraine is linked to neurophysiological and cognitive alterations.
- Understanding these changes is crucial for developing effective treatments.
Purpose of the Study:
- To evaluate neurophysiological changes in auditory information processing in adolescents experiencing acute migraine.
- To investigate the use of magnetoencephalography (MEG) for assessing these changes.
Main Methods:
- Magnetoencephalography (MEG) was employed to study auditory processing.
- A multifeature sound mismatch negativity (MMN) paradigm was used.
- Nine adolescents with acute migraine and nine healthy controls participated.
Main Results:
- Migraine subjects exhibited smaller M150 amplitudes compared to controls.
- Delayed MMNm response latencies for frequency changes were observed in both hemispheres of migraine subjects.
- These findings indicate impaired auditory information processing in acute migraine.
Conclusions:
- Neural substrates involved in auditory processing are dysfunctional during acute migraine.
- Cortical dysfunction in acute migraine may serve as a basis for identifying neurophysiological biomarkers.
- Further research can aid in studying migraine and treatment response.
