via What exactly is a coma and what happens to you when you’re in one? | BrainCharm

You’ve probably seen comas on soap operas and other TV shows, but what is a coma, and how does it work?

A coma occurs when conscious activity is impaired by a brain injury or the reduction of blood flow to the brain. There are two parts of the brain that must be functioning for someone to remain conscious: the cerebral cortex, the grey outer part of the brain, and the reticular activating system, which is in the brainstem. If either aren’t functioning, a person will slip into a coma.

via What exactly is a coma and what happens to you when you’re in one? | BrainCharm

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