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The psychophysiological assessment method for pilot's professional reliability

L M Zhang1, L S Yu, K N Wang

  • 1Department of Community Health, School of Medicine, Wright State University, Dayton, OH 45401-0927, USA.

Aviation, Space, and Environmental Medicine
|May 1, 1997
PubMed
Summary
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Pilot

Area of Science:

  • Aviation Psychology
  • Human Factors Engineering
  • Psychophysiology

Background:

  • Pilot professional reliability is influenced by functional state and task workload.
  • Psychophysiological Reserve Capacity (PRC) measures a pilot's ability to handle extra tasks without compromising primary flight performance.

Purpose of the Study:

  • To investigate the Psychophysiological Reserve Capacity (PRC) as a psychophysiological method for evaluating pilot professional reliability.
  • To determine if PRC reflects a pilot's functional state.

Main Methods:

  • Utilized the PRC Comprehensive Evaluating System (PRCCES) with simulator performance, secondary task load, and physiological data monitoring.
  • Conducted two studies: one comparing healthy and hospitalized pilots under dual-task conditions, and another assessing sleep deprivation effects on PRC.

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Main Results:

  • PRC positively correlated with pilot abilities in flexibility, operational accuracy, attention distribution, and negatively with flight anxiety.
  • Healthy pilots exhibited significantly higher PRC values than hospitalized pilots.
  • Sleep deprivation significantly reduced pilot PRC values.

Conclusions:

  • Pilot PRC is closely linked to flight ability and functional state, serving as a partial indicator of professional reliability.
  • PRC shows potential as a predictor for mental workload in aircraft design.