Mar 25, 2008

The relationship between postural stability and virtual environment adaptation

Neuroscience Letters
Rebecca J Reed-JonesLana M Trick

Abstract

Currently little is known about how adaptive responses to virtual environments are different between individuals who experience sickness related symptoms and those who do not. It is believed that sensory interactions between visually perceived self-motion and static inertial cues from vestibular and/or proprioceptive sensory systems contribute to the development of adaptation symptoms. The aim of this study was to evaluate the relationship between adaptation symptoms and postural stability in a virtual environment (VE) driving simulator. In addition, the role of sensory interaction was assessed using direct electrical stimulation techniques of the vestibular and cutaneous sensory systems. Posture performance was measured using centre of pressure measures of single leg stance tests during eyes open and eyes closed conditions. Correlation analysis of postural measures and symptom scores were conducted, as well as analysis of variance of posture performance between SICK and WELL individuals. Results indicate that posture stability is negatively correlated to symptom reporting. WELL individuals displayed the greatest decrease in postural stability during eyes open single leg stance following VE simulation. Application of a secondar...Continue Reading

  • References14
  • Citations17

Mentioned in this Paper

Postural Balance
Positional Vertigo
Ablepharon
Subcortical Sensory Systems
Posture brand of calcium phosphate, tribasic
Virtual Systems
Impacts, Environmental
Disorder of Eye
Airsickness
Adaptation, Physiological

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