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this post was submitted on 25 Aug 2023
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General Discussion
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So it's basically just like a muscle anywhere else twitching sometimes, thanks!
Now there's only understanding why can a sentence stop it is left to answer
I've always believed it has something to do with the way breathing is tied into both involuntary and voluntary muscle contractions. You can of course control your breathing, but if you forget about it entirely, you'll just keep doing it automatically without thinking.
Because your diaphragm is a crucial part of that loop, it can receive signals from the conscious part of your brain as well as the autonomous side of your nervous system that keeps things running when the lights are out upstairs. But the brain - having evolved over millions of years rather than being currently designed - works in strange ways, and getting a conscious signal to actually move to that specific nerve group can take some mental trickery.