Probably a very stupid question but I can’t wrap my head around it. For instance if someone had head trauma, why can they not wake up after a few days or so? What is it that keeps them unconscious for such a duration of time with nothing to wake them?
Edit: i’m confused why this got so many upvotes but thanks😁
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A coma is a state of minimal brain function, it’s not like being awake or asleep. Neurons that should be firing and signals that should be transmitted aren’t, during a coma. This is usually due to some sort of damage.
We use the Glasgow Coma Scale to judge whether someone is in a coma. It measures things like responses to pain and whether someone can open their eyes. A score of 8 or lower indicates someone is officially “in a coma”, though the typical “laying in bed totally non responsive” imagery of a coma is usually indicative of a very low score on the Glasgow Coma Scale.
To sum up, a coma is when the brain can’t function properly due to damage. This damage can have effects that cause them to not respond to their senses, and unconsciousness.
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