this post was submitted on 21 Jun 2023
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A long while back I was hanging out with one of my sisters and she said that she hears thunder in her head when she gets startled.

Me: "Scuse me. What?"
Her: "You know. That thunder you hear when someone startles you."
Me: "Again. What?"
Her: "You don't hear thunder when someone startles you?"
Me: "Uh, no."
Her: "Oh. I thought that happened to everybody."

Is this a thing? Does this happen to anybody else out there? She did struggle with depression for much of her life. Could that have had something to do with it?

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[–] [email protected] 26 points 1 year ago* (last edited 1 year ago) (23 children)

I believe this could be the result of the tensor tympani muscle activating, which it tends to do in fight-or-flight situations. It is located in your ear and has the purpose of lowering sounds that may otherwise make you deaf. I remember there was/is a subreddit called r/earrumblersassemble , consisting of people who claimed they could voluntarily "rumble" this muscle, and I happen to be one of them. Anyway, it does resemble a thundering noise, and it does activate when I'm startled.

[–] [email protected] 5 points 1 year ago (3 children)

r/earrumblersunite , consisting of people who claimed they could voluntarily "rumble" this muscle, and I happen to be one of them.

okay how is this the first i'm hearing of this?? I've been able to do this as long as I can remember, I didn't realise not everybody could until this moment

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