eli5: How does getting hit in the jaw result in a knockout?

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I like to watch videos of people fighting from time to time and kept seeing videos of people getting put to sleep via jaw shot. How does this work? How does the brain immediately go unconscious like that? What causes the brain to shut off so quickly?

In: Biology

11 Answers

Anonymous 0 Comments

Retrospective analysis of boxing knockouts has revealed that they typically are caused by a hook to the side of the jaw which causes a rotation of the head in the horizontal plane.

A shot to the jaw, then, might cause a tremendous amount of force and channel it directly to the nearby brainstem. When you’re hit in the jaw, it can create a lot of these rotational forces that can get transmitted to the parts of the brain.

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