What is motion sickness?

Answer 1

Motion sickness is sickness induced by motion (as in travel by air, car, or ship) and characterized by nausea.

The vestibular apparatus located at our temporal bone or inner ear region is important for balance. It contains 3 semi-circular canals and 5 sense organs:

1. Utricle
2. Saccule
3. 3 ampullae

The semi-circular canals are important for detecting changes in position. As head and canals move, fluid in canals remains stationary due to inertia. The fluid enters ampullae and causes cilia on hair cells to bend, causing either depolarization or hyperpolarization. Then the vestibular nerves synapse with hair cells and relay position to brain stem and cerebellum.

The utricle and saccule are important for maintaining balance when stationary. They contain hair cells covered with cilia and dense statoconia crystals. Located in ampulla of semicircular canals. As head moves and weight of statoconia causes cilia to bend, hair cells become depolarized or hyperpolarized. Then the vestibular nerves synapse with hair cells and relay position to brain stem and cerebellum.

Answer 2

Hello,

I see you are asking "What is motion sickness?"

Motion sickness is feeling sick when travelling by car, boat, plane or train. You can do things to prevent it or relieve the symptoms.

For more information, you can visit this URL - mentalhealthhelpcenter. com/condition/motion-sickness/c/4744