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Related Experiment Video

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Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator
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Attentional Tunneling in Pilots During a Visual Tracking Task With a Head Mounted Display.

Erik Van der Burg1,2, Wietse D Ledegang1, Frank L Kooi1

  • 1TNO Human Factors, Soesterberg, The Netherlands.

Human Factors
|March 6, 2024
PubMed
Summary

Active head aiming with Helmet Mounted Displays (HMDs) can impair pilot performance on primary flight tasks, leading to more errors. Visual clutter did not significantly affect these tasks.

Keywords:
attentionflight simulatorhead mounted displayspatial disorientationvisual clutter

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Area of Science:

  • Aviation Psychology
  • Human Factors Engineering
  • Cognitive Science

Background:

  • Head-up display (HUD) symbology can cause attentional tunneling, limiting a pilot's focus.
  • Visual clutter in flight displays can hinder object identification and task performance.

Purpose of the Study:

  • To investigate if active head aiming using a Helmet Mounted Display (HMD) diverts pilot attention from primary flight tasks.
  • To determine if increased visual clutter exacerbates the attentional effects of HMD head aiming.

Main Methods:

  • Eighteen military pilots performed simultaneous attitude control and head aiming tasks in a fixed-base simulator.
  • Tasks included manual roll disturbance compensation and tracking a visual target with head movements.
  • Conditions varied head aiming (active vs. none) and visual clutter (present vs. absent).

Main Results:

  • Active head aiming significantly degraded attitude control performance, increasing roll-reversal errors (RREs).
  • Head aiming accuracy decreased with larger aircraft roll disturbances.
  • Visual clutter did not impact performance on either the attitude control or head aiming tasks.

Conclusions:

  • Active head aiming with HMDs can induce attentional tunneling, negatively affecting simultaneous flight control.
  • Findings suggest potential implications for HMD design and operational use in military aviation.
  • Further research can refine understanding of HMDs' perceptual and cognitive impacts.