• LogicalDrivel@sopuli.xyz
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    7 months ago

    I can rumble my eardrums. Mostly useless unless i wanna block out some annoying sound but i can only do it for like a minute at a time.

    • stepan@lemmy.cafe
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      7 months ago

      I think I have the same thing. Is yours also kinda connected to blinking? I can do it without blinking, but closing my eyes at the same moment as rumbling the eardrums feels easier and more natural than rumbling with eyes open.

      • Catoblepas
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        7 months ago

        Mine feels more connected to my jaw, I kind of tense my jaw right near the joint to activate the rumbling.

      • LogicalDrivel@sopuli.xyz
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        7 months ago

        I can do it without closing my eyes but when i was younger, I remember closing my eyes or scrunching my face made it easier to do. If you can wiggle your ears without lifting your eyebrows, it kind of feels like its the same muscle group that causes the rumbles. The rumbling sounds like white noise inside my head. Its caused by constricting Tensor Tympani muscle in the ear voluntarily. From Wikipedia:

        Some individuals can voluntarily produce this rumbling sound by contracting the muscle. According to the National Institute of Health, “voluntary control of the tensor tympani muscle is an extremely rare event”,[5] where “rare” seems to refer more to the scarcity of test subjects and/or studies more than the percentage of the general population who have voluntary control. The rumbling sound can also be heard when the neck or jaw muscles are highly tensed as when yawning deeply. This phenomenon has been known since (at least) 1884.[6]

        • AA5B@lemmy.world
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          7 months ago

          TIL; I always thought it was temporarily spiking your blood pressure that made that rumble. Now I’m no longer scared to do it

      • slingstone@lemmy.world
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        7 months ago

        I do this thing where I pop my ears (like when pressure changes from altitude) and then it’s like I’m hearing my breathing inside of my sinuses or something. When I breathe this way, it effectively blocks conversations I don’t want to overhear. Do other people do this, or am I odd?

        • Lemisset@lemmy.world
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          7 months ago

          I can do this. If I’m in a really quiet area, I like to take in a deeper breath and then exhale as slowly as possible while doing it, which then allows me to hear my heartbeat. Super nifty.

          I can also use my soft pallet to block airflow from my throat to my nose. Can you do that too?

          • slingstone@lemmy.world
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            7 months ago

            I can’t block my nose in that way. I tried when your comment came in, but I can’t conceive of how to do it.

            With the ear popping thing, I just hear the rushing of my breath. I can see how you might be able to hear your heart. I might be making this up in my head, but I feel like maybe I could hear it when I was younger.

            • Lemisset@lemmy.world
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              7 months ago

              The trick is that while you hold your ears ‘open’, you have your lungs try to not breath out but you don’t close your mouth. This lets the heart beating against your lungs be what pushes air in and out and then you hear the sounds of the air pulses as it moves past your eustachian tubes in your throat. Making sure your lungs are as full as possible is required so the lungs push against the heart.

        • jpeps@lemmy.world
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          7 months ago

          I can do this! I forget the name for it but I can rumble my ears, and then I can also ‘pop’ them if I go a little further. I’m so grateful for it if I ever go through a pressure change, I can’t imagine how people cope without being able to do it.

          • slingstone@lemmy.world
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            7 months ago

            Wait a minute. If I hold my jaw right, I do get a very short rumbling apart from my breath. Is that what you guys mean?

            • jpeps@lemmy.world
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              7 months ago

              Sounds about right. I would connect this action to my jaw, not anything with my eyes like some others have said. When you say short, do you mean the sound doesn’t last very long? I can keep it going more or less as long as I want.

              • slingstone@lemmy.world
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                7 months ago

                As long as I tense my jaw, I guess, but it’s kinda awkward for me. I kinda have to pop my jaw down and hold it. I feel I’m making a silly face when I do it, so I’m not holding it long.

                • jpeps@lemmy.world
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                  7 months ago

                  I guess there’s multiple ways to hit it. I feel it in my jaw but it’s the same process as wiggling my ears (though I don’t have to do that at the same time if I don’t want to).

        • thouartfrugal@lemmy.world
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          7 months ago

          Came here looking for the tensor tympani rumble cause I know it well; not sure what your thing is! If I notice sounds going quiet on a flight I’ll pinch the nostrils shut and make an exhalation effort till I hear a pop in each ear, then sounds are normal. Almost like the reverse of yours.

      • Bizarroland@kbin.social
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        7 months ago

        I can also ear rumble, it is not tied to my blinking at all, but if I vibrate my eyes while my ears are rumbling they both move at the same ~60hz frequency.

  • FancyPantsFIRE@lemm.ee
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    7 months ago

    This is my time to shine, my body is full of useless, I can:

    • gleek intentionally (saving people a search: it’s causing the salivary glands under your tongue to shoot saliva, people often do it unintentionally when yawning)
    • open my jaw wide enough that it goes out of socket, and twofer I can then move it side to side and produce a loud popping noise
    • bend my thumb down to my wrist
    • cause my heart rate to spike for short periods even when at rest
    • make a three leaf clover with my tongue
    • click my tongue extremely loudly
    • ramble81@lemm.ee
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      7 months ago

      I remember when I was a kid we were all trying to gleek and some of us could do it easily. I never could, so anytime as an adult I accidentally do it, I can’t help but laugh.

    • Sasha
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      7 months ago

      Tongue clicks are absurdly useful. In my family we use then to communicate over long distances and to find each other in big crowds

    • Hadriscus@lemm.ee
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      7 months ago

      oh my god, so that’s what I’m doing when I yawn! It started happening a few years ago…

      • FancyPantsFIRE@lemm.ee
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        7 months ago

        It has “force”, but it’s not very impressive, I can shoot saliva in approximately a 1ft / 30cm arch.

    • thefool@sh.itjust.works
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      7 months ago

      I can also gleek but it’s nowhere near what my grade 11 English teacher could do. I don’t know how it came up in class, but, in front of the class, she turned sideways and made the biggest arc I’d ever seen: maybe 6 feet long

  • StarsongDusk@lemmy.world
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    7 months ago

    You know that feeling you get when you listen to really awesome music and your hair stands on end and your skin has like an electric tingle all the way up and down? I can do that feeling at will. It’s called ‘voluntary frisson’, normally an autonomic response. Makes music a real.trip.

    • Lorindól@sopuli.xyz
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      7 months ago

      I can do this too.

      It’s fun to watch people freak out when one can raise his body hair up on command. And since I have an abundance of body hair, the effect is pretty profound.

  • Interstellar_1OP
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    7 months ago

    I just remembered this, I can open my eyelids and look in a direction where only the whites of my eyes are visible. Apparently it’s very creepy

  • Kongar@lemmy.dbzer0.com
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    7 months ago

    I can twitch my eyeballs left and right really fast, and not just a little bit - but most of the way.

    Completely grosses people out when I do it.

    Edit: I can even do circles, but not as fast as left and right.

  • Paradox42@programming.dev
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    7 months ago

    I can voluntarily open my eustachian tubes and hold them open, without needing to yawn or swallow. Makes it much easier to clear the pressure in my ears when changing elevation (like when flying in a plane).

  • Reyali@lemm.ee
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    7 months ago

    Lots of things that ultimately come down to hyper-mobility (thanks Ehlers-Danlos!), including:

    • Lick my elbow
    • Pull my shoulder visibly out of socket (not painful at all, and happens if I carry something heavy if I’m not careful)
    • Pop my hip out of socket while standing (sometimes painful, always somewhat unpleasant, so I’ve had to learn how to not do it)
    • Hold my hands behind my back and pull them to my front
    • Rotate my arm >360°
    • Bend my thumb to my forearm
  • ℕ𝕖𝕞𝕠@midwest.social
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    7 months ago

    Apparently there’s a thing called lucid dreaming that many people try very hard to achieve.

    Most of my dreams are “lucid”.

    I can also, using only my facial muscles, pull my eyelids back extra far so it looks like my eyeballs are popping out.

  • JimSamtanko@lemm.ee
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    7 months ago

    I can dislocate my shoulder to the music of Billy Joel. The Pawnee Journal once called it, "Why would anyone do this?”

    • Lost_My_Mind@lemmy.world
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      7 months ago

      Psssshhhhhh, look at this guy, existing! Not like the rest of us simulated humans! Buy ovaltine! Just sitting around in society. Pretending to exist, so we can slip subtle advertising into daily conversations. Buy ovaltime! Bet you didn’t realize that we’re all in the matrix, and your entire purpose for existance is to be made to be miserable. Currency is worthless outside the matrix. We’re only doing this to make all in the matrix suffer!!!

      Mwahahahaha!!! Thats my evil laugh! Do you like it?