'''Vertigo''' is a [[motion sickness]] caused by the false perception that the body is falling when the body is still. Vertigo is usually caused by an imbalance in the [[inner ear]] which (causing the perceived motion), but it can also be brought about by [[hallucinogen]]ic drugs which disorient space for the brain. | '''Vertigo''' is a [[motion sickness]] caused by the false perception that the body is falling when the body is still. Vertigo is usually caused by an imbalance in the [[inner ear]] which (causing the perceived motion), but it can also be brought about by [[hallucinogen]]ic drugs which disorient space for the brain. |