Neurologist and Assistant Professor Dr. Natalie Cheng joins WIRED to answer your questions about neurology from Twitter. Why do our limbs sometimes 'fall asleep?' Why do we experience headaches? Or itchiness? Is the sympathetic versus parasympathetic nerve system concept real?
Neurologist and Assistant Professor Dr. Natalie Cheng joins WIRED to answer your questions about neurology from Twitter. Why do our limbs sometimes"fall asleep?" Why do we experience headaches? Or itchiness? Is the sympathetic versus parasympathetic nerve system concept real?and assistant professor of clinical neurology.@emylieflower asks, If your brain doesn't havethen what the heck are headaches?Many other structures in the head and neck do.
Like, how can my brain send signals to my toesis through a system called the corticospinal tract,Our brain actually has a map of the body in the motor cortexthat will then send a signal to the spinal cord.which is at the base of your brainstem.Well, itching is pretty annoying,So let's say you have a mosquito who's crawling on your arm.and it doesn't bite you.But that's what itching's purpose is.Tickling is a type of itch almost,while being tickled that two areas light up.
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