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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
Published on: June 2, 2014
Subtle grey matter changes between migraine patients and healthy controls
T Schmidt-Wilcke1, S Gänssbauer, T Neuner
1Department of Neurology, University of Regensburg, Regensburg, Germany.
Cephalalgia : an International Journal of Headache
|November 8, 2007
Summary
Migraine patients show reduced grey matter in pain-processing brain areas, unlike other headache types. This brain change in migraine may result from frequent pain signals and could potentially reverse with treatment.
Area of Science:
- Neuroscience
- Neurology
- Medical Imaging
Background:
- Previous studies identified brain structural changes in cluster headache and chronic tension-type headache.
- Migraine, a common neurological disorder, has not shown similar local morphological alterations.
Purpose of the Study:
- To investigate potential grey matter differences in migraine patients compared to healthy individuals.
- To explore if observed changes correlate with pain pathways.
Main Methods:
- Magnetic resonance imaging (MRI) was used to scan 35 migraine patients and 31 healthy controls.
- Voxel-based morphometry (VBM) analyzed the MRI data to detect differences in grey matter density.
Main Results:
- A significant decrease in grey matter was observed in the cingulate cortex of migraine patients.
- This area is involved in pain transmission, but the changes were not found in migraine-specific areas like the brainstem.
Conclusions:
- The findings suggest that grey matter changes in migraine are linked to chronic pain processing, similar to other chronic pain conditions.
- It is hypothesized that these alterations are a consequence of persistent nociceptive input and may be reversible upon cessation of migraine attacks.
