The Vigilance Increment: An Ideal Observer Hypothesis
In many man-machine systems the human operator performs a visual monitoring function. For instance, he may need to detect approaching aircraft during visual flight conditions to avoid a mid-air collision, or he may need to inspect a product for defects to maintain quality assurance. Often these monitoring tasks involve a single, aperiodic target that is both difficult to detect and transient. A great deal of research has been directed toward determining man’s capabilities and limitations in performing such simple monitoring tasks.
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