Variation in performance on auditory and visual monitoring tasks as a function of signal and stimulus frequencies |
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Authors: | Michel Loeb John R Binford |
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Institution: | 1. Department of Psychology, University of Louisville, 40208, Louisville, Ky
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Abstract: | Observers were required to detect double jumps of a diffuse light spot jumping in a circular pattern and more intense noise pulses in a pulse train. Seven groups performed at different combinations of stimulus and signal frequencies, higher signal frequency/stimulus frequency ratios, and lower stimulus frequencies. Stimulus frequency was a more potent determiner of performance than signal frequency, and performance was not invariant within a given signal frequency/stimulus frequency ratio. Correlations of dependent measures were also examined.-Results are discussed with reference to various theories of vigilance behavior. |
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