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Vestibular System

  Ψ  The Vestibular System is the system in the body that is responsible for maintaining the body’s orientation in space, balance, and posture; regulates locomotion & other movements and keeps objects in visual focus as the body moves.
  Ψ  The Vestibular System is implemented by an organ of the inner ear containing three semicircular ducts (canals) at right angles to one another. These help keep the body balanced, sense the position of head, and keep the head upright.
Problems with the Vestibular System can produce
    Motion sickness (nausea)
    Meniere's disease (caused by viral infection) an abnormality of the inner ear causing a host of symptoms, including vertigo or severe dizziness, tinnitus or a roaring sound in the ears, fluctuating hearing loss, and the sensation of pressure or pain in the affected ear.
    Vertigo (dizziness)

General Psychology
Robert C. Gates