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What Happens in Your Brain During a Migraine Aura?
What if you could watch a neurological event unfold in real time, just by looking at the world? That's exactly what happens during a migraine aura. This episode dives into cortical spreading depression—a slow wave of electrical activity that marches across the brain's surface at 2-5 millimeters per minute, producing the shimmering, multicolored visual disturbances that define classic migraine aura. We explore why auras look so different from person to person (it depends on which brain regions the wave crosses), why some people get the visual show without the headache, and what the latest CGRP…
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