INFLUENCE OF LABYRINTH ORIENTATION RELATIVE TO GRAVITY ON RESPONSES ELICITED BY STIMULATION OF THE HORIZONTAL SEMICIRCULAR CANALS.

Abstract

Two experiments were conducted to examine the effects of different orientations of the horizontal semicircular canal cupulae relative to gravity on nystagmic output follow ing deceleration from rotation about the earth-horizontal axis. Differences in nystagmus output with different stopping positions were not entirely consistent with predictions based on the assumption that cupula deflection was influenced by gravity. A more plausible explanation, modulation of canal-initiated responses by otolith activity, was presented. A high incidence of motion sickness was encountered while rotating subjects about the erth-horizontal axis and it was apparently controlled by the mental task assigned to the subject. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 02, 1964
Accession Number
AD0608571

Entities

People

  • Fred E. Guedry Jr.
  • Manning J. Correia

Organizations

  • Naval Aerospace Medical Institute

Tags

DTIC Thesaurus Topics

  • Deceleration
  • Deflection
  • Direction Finding
  • Ear
  • Modulation
  • Motion
  • Motion Sickness
  • Navigation
  • Nystagmus
  • Orientation (Direction)
  • Position Finding
  • Rotation

Fields of Study

  • Psychology

Readers

  • Brain and Cognitive Science; Experimental Psychology; Cognitive Neuroscience
  • Explosive Engineering.