For a few seconds after you ride the express elevator from the 20th floor to the ground floor, you still feel as if you are descending, even though you have come to a stop. Why?
I know that it has something to do with the vestibular system in the inner ear, because that has a lot to do with balance equilibrium, but I'm not sure why....
Same reason we get dizzy.
When you move the liquid gently 'swishes' back and forth against the hairs, which makes them bnd. The brain then corrects the balance in the body, through contracting and releasing muscles.
However, when a person spins round, the liquid is jolted rapidly over the hairs and the brain gets confusing information. Consequently it cannot automatically correct the balance and the moving is a result of the brain's inability to regain balance. It is also a sub-conscious means of the brain telling the body that the feeling of motion has to stop ! Why Do You Feel Like a Fraud?::
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Fluids aren't involved here - In this case, the system that senses your acceleration is the saccule, a small chamber within the vestibular system. The saccule is a hair-lined vesicle, the inside of which is coated with the otolithic membrane (a layer of gel, basically) surrounding an otolith (a tiny rock, basically). When your head accelerates, the otolith is displaced relative to the saccule, just like when a car accelerates you are pressed back into your car seat. The hair cells sense this displacement and your brain interprets the signal as an acceleration in that direction.
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In the elevator, when you get to the bottom, your body decelerates, and the otolith in your inner ear is momentarily displaced before, it, too, comes to rest, resulting in the feeling of motion even after you have stopped.
It's much simpler than that. It's because you're walking off the elevator, and therefore, you ARE still moving. Sheesh, it's a good thing I show up sometimes.
The vestibular works by having fluid with small particles in it that moves past nerve sensors. When you are moved (or move) the particles can be put in motion and when you stop, they are still moving so you feel you should be in motion. Happens in cars, when turned in a chair, etc. Like swirling liquid in a bottle and it keeps on turning for a while after you set the bottle down.
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