Whenever I yawn I temporarily lose the ability to hear. Why does this happen?
In: Biology
There is a muscle in your ear that when contracted, moves the bone away from the ear drum and prevents vibrations from sound waves from happening as effectively. This is linked through your face to your mouth. When you open your mouth, whether to yawn, cough, or even talk, it can cause the muscle to contract, acting in a way as noise cancelation for sounds you make yourself.
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