An Attentive Blank Stare Under Simulator-induced Spatial Disorientation Events

Area of Science:

• Aviation psychology
• Human factors in flight safety
• Spatial disorientation research

Background:

• Spatial disorientation (SD) is a primary cause of aviation accidents across military, general, and commercial sectors.
• Effective countermeasures against SD involve vigilant scanning of cockpit instruments and timely detection of changes.

Purpose of the Study:

• To investigate the impact of spatial disorientation (SD) events on pilot attention during a dual-task scenario.
• To determine the extent to which flight tasks and visual discrimination tasks compete for pilot attention under SD conditions.

Main Methods:

• Thirty male military pilots participated in a flight simulator study.
• Participants performed a dual task: piloting and visual change detection.
• Eye movements were recorded using an eye tracker to analyze visual attention patterns.

Main Results:

• Pilots exhibited increased flight errors and reduced visual attention to areas of change during SD-conflict scenarios compared to non-conflict flights.
• Vestibular-induced SD-conflict impaired piloting, visual scanning, and the coordination of overt and covert attention.
• Reduced noticeability of visual changes occurred despite pilots gazing at the relevant areas.

Conclusions:

• Visual fixation alone does not guarantee effective covert attention or appropriate responses to visual stimuli.
• Increased pilot awareness of attention limitations during SD is crucial for training.
• Strategies to mitigate change blindness include reducing secondary task load and enhancing cockpit information salience.