Brain Changes in Migraine with and without Aura
Author Information
Author(s): Cristina Granziera, Alexandre F. M. DaSilva, Josh Snyder, David S. Tuch, Nouchine Hadjikhani
Primary Institution: Massachusetts General Hospital, Harvard Medical School
Hypothesis
Do structural changes in the brain's motion-processing networks contribute to visual motion perception abnormalities in migraineurs?
Conclusion
Migraineurs show structural abnormalities in brain areas involved in motion processing, which may explain their visual perception issues.
Supporting Evidence
- Migraineurs have increased cortical thickness in motion-processing areas compared to healthy controls.
- The study found no significant difference in cortical thickness between migraineurs with aura and those without.
- Alterations in white matter were also observed in migraine patients.
Takeaway
People who get migraines have some differences in their brains that might make it hard for them to see things moving normally.
Methodology
The study used high-resolution cortical thickness measurement and diffusion tensor imaging (DTI) to examine the motion-processing network in migraine patients and healthy controls.
Limitations
The study focused only on areas of the brain involved in vision and visual motion processing.
Participant Demographics
24 migraine patients (12 with aura, 12 without) and 15 healthy controls, age-matched.
Statistical Information
P-Value
p = 0.0002 for V3A; p = 0.002 for MT+
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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