An archaic definition of disorientation literally meant "difficulty in facing the east." To the pilot, it more often means "Which way is up?" Disorientation, or vertigo, is actually a state of temporary spatial confusion resulting from misleading information sent to the brain by various sensory organs. The body's elaborate navigational system was superbly designed for … Continue reading Medical Handbook For Pilots Chapter 14 – Disorientation (Vertigo)