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Why are migraines so painful? How is a headache sensed? (self.askbiologists)

submitted 1 year ago by noughtnaut to c/askbiologists

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From my understanding, (a) the brain has no nerves, which is why you can talk to people while doing brain surgery on them; and (b) headache is caused by blood vessels constricting. Now, I am unsure whether migraines are also caused by blood vessels constricting, but in any case - what is it that is doing the sensing of this pain? Or is it a(nother) case of the brain just making shit up because it hates me?

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[–] Candelestine 4 points 1 year ago (1 children)

Not really a biology question, except in the broadest of senses. Fortunately there's other specialists for that:

https://youtu.be/MVBNZoEzD1k

[–] noughtnaut 3 points 1 year ago

Yeah I know it's merely "biology adjacent", but I couldn't find a better community to ask.

Thank you for the video link, much of my question seems to be answered by the section on referred pain.