Comment on Why some people can hear this silent GIFparentComments−pb0608yIt could also be the tensor tympani muscle tightening in response to a visual event that would normally be accompanied by an extremely loud noise.−Flenser8yThat's also my theory. I can do it at-will by tensing my jaw muscles and I hear a "thudding" vibration sound. (Although I wouldn't have known what the name of the muscle is until your post.)−pb0608yI can't do it at will but few times I was waken up by the "sound" of it vibrating, quite a scary experience!
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It could also be the tensor tympani muscle tightening in response to a visual event that would normally be accompanied by an extremely loud noise.
That's also my theory. I can do it at-will by tensing my jaw muscles and I hear a "thudding" vibration sound. (Although I wouldn't have known what the name of the muscle is until your post.)
I can't do it at will but few times I was waken up by the "sound" of it vibrating, quite a scary experience!