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Postural and performance changes following exposures to flight simulators

R S Kennedy1, J E Fowlkes, M G Lilienthal

  • 1Essex Corporation, Orlando, FL 32803.

Aviation, Space, and Environmental Medicine
|October 1, 1993
PubMed
Summary
This summary is machine-generated.

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Flight simulators can cause balance issues, impacting aviator training. Moving base simulators significantly affected postural equilibrium, suggesting further research into simulator-induced disequilibrium is needed.

Area of Science:

  • Aviation Psychology
  • Human Factors Engineering
  • Neuroscience

Background:

  • Flight simulators offer safe and cost-effective aviator training.
  • Motion sickness-like symptoms are a known issue during and after simulator use.
  • The full impact of simulator training on aviator performance and well-being requires further investigation.

Purpose of the Study:

  • To investigate the effects of flight simulator training on aviator postural equilibrium and cognitive/motor performance.
  • To compare the impact of moving-base versus fixed-base simulators on pilot performance.
  • To understand the time course and causes of simulator-induced symptoms.

Main Methods:

  • Administered standing and walking steadiness tests, cognitive, and motor performance tests to Navy and Marine Corps aviators.

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  • Collected data from 726 pilot exposure observations before and after simulator training.
  • Compared performance data of pilots exposed to simulators with a control group.

    • Main Results:

    • Statistically significant decrements in postural equilibrium were observed for all moving-base simulators and one fixed-base simulator (approx. 15% loss).
    • Cognitive performance improvements were less in simulator groups compared to the control group.
    • Motor speed showed slightly greater improvement in simulator groups, though the difference was minimal (<1% of baseline).

    Conclusions:

    • Moving-base flight simulators significantly impact aviator postural equilibrium.
    • While cognitive and motor performance changes were observed, they were confounded by learning effects.
    • Further research is recommended to study performance changes and the time-course of disequilibrium in simulators causing significant effects.