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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
Published on: June 2, 2014
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Interictal brain activity differs in migraine with and without aura: resting state fMRI study
Péter Faragó1, Bernadett Tuka1,2, Eszter Tóth1
1Department of Neurology, Neuroimaging Research Group, Albert Szent-Györgyi, Clinical Center, University of Szeged, Semmelweis u. 6, H-6725, Szeged, Hungary.
The Journal of Headache and Pain
|January 27, 2017
Summary
Migraine with aura (MWA) exhibits higher resting-state fMRI activity amplitude compared to migraine without aura (MWoA), suggesting cortical hyperexcitability in MWA patients. This difference was observed across various brain networks and frequencies.
Area of Science:
- Neuroscience
- Medical Imaging
- Brain Function
Background:
- Migraine is a severe primary headache disorder.
- Symptoms suggest underlying functional brain alterations.
- This study investigates resting-state fMRI activity in migraineurs.
Purpose of the Study:
- To examine resting-state fMRI amplitude fluctuations in migraineurs with and without aura (MWA, MWoA) compared to healthy controls.
- To identify differences in brain network activity across various frequency bands.
- To explore potential correlations between activity patterns and migraine subtypes.
Main Methods:
- Acquired resting-state fMRI and T1 high-resolution images from participants.
- Utilized MELODIC for resting state network identification.
- Applied discrete wavelet decomposition to analyze frequency-specific activity amplitudes.
Main Results:
- Migraine with aura (MWA) showed higher activity in the lateral visual network compared to controls.
- MWA exhibited increased activity across networks at 0.08-0.04 Hz and higher frequencies compared to MWoA.
- MWoA displayed decreased default mode network activity at 0.08-0.04 Hz compared to controls.
Conclusions:
- Resting-state fMRI activity amplitude is elevated in MWA compared to MWoA.
- Findings support previous research indicating cortical hyperexcitability in MWA.
- The study highlights distinct functional brain alterations between migraine subtypes.
