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Research Article.

Jonathan Allsop1, Rob Gray2, Heinrich H Bülthoff3

  • 1Vision and Eye Research Unit, Anglia Ruskin University, UK.

Journal of Eye Movement Research
|April 8, 2021
PubMed
Summary
This summary is machine-generated.

High cognitive load reduces instrument transitions and task performance. Anxiety impacts eye movement randomness, especially under high cognitive load, influencing data visualization design.

Keywords:
anxietyattentioncognitive loadentropyeye trackingheart rateinstruments

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Area of Science:

  • Human-Computer Interaction
  • Cognitive Psychology
  • Aviation Psychology

Background:

  • Effective data visualization is crucial for complex tasks like instrument flight.
  • Understanding how cognitive load and anxiety affect pilot gaze behavior is essential for safety.

Purpose of the Study:

  • To investigate the impact of anxiety and cognitive load on eye movement planning during an instrument flight task.
  • To analyze gaze behavior under varying cognitive load and anxiety conditions within a single-sensor-single-indicator display.

Main Methods:

  • Participants performed an instrument flight task under neutral and anxiety conditions.
  • A dual-task paradigm included a low or high cognitive load auditory n-back task.
  • Eye movements and task performance were recorded and analyzed.

Main Results:

  • Increased cognitive load significantly reduced transitions between instruments and impaired flight task performance.
  • Self-reported anxiety changes positively correlated with increased randomness in eye movements, but only under high cognitive load.
  • Gaze behavior was demonstrably affected by both cognitive load and anxiety.

Conclusions:

  • Cognitive load and anxiety are significant factors influencing pilot gaze behavior in instrument flight.
  • The findings highlight the need to consider these psychological factors in the design of aviation data visualization displays.
  • Future research should further explore these effects to enhance display design and pilot situational awareness.