Document Type
Article
Publication Date
2025
Abstract
Sustained vigilance and complex decision-making are necessary skills for operatorsof both manned and unmanned aerial vehicles. Cognitive fatigue due to time ontask may reduce cognitive resources, producing performance decrements. Weperformed a secondary analysis of a data set from 68 participants who performedthree tasks related to target verification (TV), complex decisions, and imagerecognition (IR) in three consecutive days. Both TV and IR tasks were vigilancetasks, separated by the complex decision task, and both showed an expectedperformance decrement (decreasing hit rate) consistent with fatigue. Surprisingly,both also showed performance improvements (decreasing response time andincreasing correct rejections) inconsistent with fatigue. We propose that anincreasing rate of responding “no signal” is due to a complex combination ofcognitive fatigue, strategic learning, and memory decay and interference.
Repository Citation
Carson, J.,
Menke, P.,
Wong, J.,
Nasirabadi, A. M.,
Watamaniuk, S.,
Juvina, I.,
Davis, T.,
Aue, W.,
& MacNeil, E.
(2025). Exploring Mechanisms Underlying Time-on-Task Effects in Decision-Making Tasks. Proceedings of the 23rd International Symposium on Aviation Psychology, 24-29.
https://corescholar.libraries.wright.edu/isap_2025/5
Comments
Presented at the 23rd International Symposium on Aviation Psychology, May 27-30, 2025, Hosted by Oregon State University