Why is our hearing dampened while yawning?
In: Biology
Yawning opens an air canal that pumps air into your ear from inside. (Sneezing, blowing nose, etc does that also).
Changed pressure makes it harder to hear, because ears aren’t as sensitive to vibrations due this. Sort of like banging a drum (or any similar surface, really) sounds duller if you press your other palm against it, to block or dampen drum skin from vibrating as much as it normally does. Or for example, try to bang the drum underwater.
Ears are all about pressure.
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