Adaptive Measurement of Vigilance Decrement
- 1 July 1973
- journal article
- research article
- Published by Taylor & Francis in Ergonomics
- Vol. 16 (4) , 353-363
- https://doi.org/10.1080/00140137308924527
Abstract
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 discussedKeywords
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