Why Do Some People Feel Sick If They Read During A Moving Vehicle?

Why do some people feel sick if they read during a moving vehicle?

Motion sickness generally is caused when your internal ear and your eyes disagree about whether you’re moving. once you read during a car, your field of vision stays still but your internal ear detects the twists and turns. This sensory conflict triggers nausea, possibly because the brain thinks you’ve eaten something toxic that’s making you hallucinate. Kinetosis occurs when the three parts of our body that sense movement the eyes, inner ear, and sensory nerves send different signals to the brain.

Here's how these three systems sense movement and balance: Your eyes allow you to ascertain that you're moving, the nerves within the muscles and joints of your extremities allow you to feel that you're moving, and therefore the internal ear has canals with fluid that moves around and this enables the body to perceive motion. All of those send the sensory information to your brain, which then tells you that you simply are moving.

Motion sickness typically occurs when just one or two of these centers (usually the inner ear) since you're moving, and therefore the other(s) don't so there is a mismatch in communication to the brain. Your brain gets confused because it's getting mixed signals and sensing this abnormal movement, which ends up in nausea or vomiting.