what is happening in your brain when you lose consciousness?

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Was curious about what causes you to gradually lose hearing and sight for a few seconds

Edit: more accurate word would be fainting I think, not native

In: Biology

3 Answers

Anonymous 0 Comments

Usually brain goes “emergency mode” and shut down non-essential functions. Essentials are mostly the brain itself, and making internal organ work. So if for any reason your brain comes to the conclusion it can’t keep you working, it just focus on not letting you die. Minimize losses and hope that whatever is the cause of your current distress is not lethal.

The most common reason the brain goes in emergency mode is in case of lack of oxygen (choking, strangulation, water in the airways,…), your brain being shaken too hard, or general lack of any life required component. It can also be a response to sensory overload, if it gets overwhelmed. At that point, it basically act like a computer rebooting.

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