It's estimated, though, that only 15 % to 20 % of migraineurs experience this. (health.com)
They can be tied to the start of your period; about 60 percent of female migraineurs (as they're called) experience them then, due to a plunge in hormones, says Mark Green, MD, director of headache and pain medicine at Icahn School of Medicine at Mount Sinai Hospital in New York City. (health.com)
Furthermore, she found that in these women, the posterior insula and the precuneus — areas of the brain responsible for motor processing, pain perception and visuospatial imagery — were significantly thicker and more connected to each other than in male migraineurs or in those without migraines. (scientificamerican.com)