Adaptive Measurement of Vigilance Decrement

This paper describes a computer-baserd monitoring task which is adaptive, or self-adjusting, with the size of the signal stimulus (compared to a fixed non-signal stimulus) being mediated by the detection score of the subject, so as to maintain a constant detection rate. Data are presented which indi...

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Bibliographic Details
Published in:Ergonomics 1973-07, Vol.16 (4), p.353-363
Main Author: WIENER, E. L.
Format: Article
Language:English
Subjects:
Adult
Attention
Computers
Humans
Methods
Monitoring, Physiologic
Space life sciences
Task Performance and Analysis
Time Factors
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Summary:This paper describes a computer-baserd monitoring task which is adaptive, or self-adjusting, with the size of the signal stimulus (compared to a fixed non-signal stimulus) being mediated by the detection score of the subject, so as to maintain a constant detection rate. Data are presented which indicate that in order to maintain a fixed detection criterion over a 48-min vigil, the adaptive variable (separation distance of a pair of dots presented simultaneously) behaved in a manner consistent with the usual measures of vigilance decrement. Several adaptive strategies are discussed
ISSN:0014-0139
1366-5847
DOI:10.1080/00140137308924527