Maintainance of vigilance in an auditory monitoring task.

1964 ◽  
Vol 48 (1) ◽  
pp. 13-15 ◽  
Author(s):  
J. S. Kidd ◽  
Angelo Micocci
Keyword(s):  
Monitoring Task ◽  
Auditory Monitoring

Effect of prewarning on increase in reaction time in an auditory monitoring task.

1973 ◽  
Vol 101 (2) ◽  
pp. 378-380 ◽  
Author(s):  
Hans O. Lisper ◽  
Lennart Melin ◽  
Per O. Sjoden
Keyword(s):  
Reaction Time ◽  
Monitoring Task ◽  
Auditory Monitoring

Performance Measurement using an Auditory Monitoring Task

1981 ◽  
Vol 25 (1) ◽  
pp. 700-704
Author(s):  
Richard A. Newman
Keyword(s):  
Presentation Rate ◽  
Tone Presentation ◽  
Control Task ◽  
Monitoring Task ◽  
Wide Range ◽  
Significant Difference ◽  
Stable Performance ◽  
Auditory Tasks ◽  
Auditory Monitoring ◽  
Difficult Situations

An auditory monitoring task has been developed for use in shipboard environments as a measure of task performance under difficult environmental conditions such as severe ship motion. The task involves listening to sequences of apparently random presentations of either three or four tones. The listener must monitor the number of occurences of either two or three specified tones from the set. When the specified number have occurred, a button is pressed, and the count restarted. With reasonable training, stable performance in the laboratory can be obtained for at least thirty minutes of monitoring. A wide range of tone presentation rates were used, as were different ratios of tones monitored to tones presented. The results demonstrated that both presentation rate and tones monitored to tones presented could be used to control task difficulty. A consistent and significant difference in performance was found between men (N = 10) and women (N = 8). The literature on sex differences describes such differences in performance on auditory tasks, but does not provide an adequate explanation. The space/power requirements and other support needed to implement the test are minimal, making it adaptable to many difficult situations.

Effects of Signal Intensity on Increase of Reaction Time on an Auditory Monitoring Task

1972 ◽  
Vol 34 (2) ◽  
pp. 439-444 ◽  
Author(s):  
Hans-Olof Lisper ◽  
Anders Kjellberg ◽  
Lennart Melin
Keyword(s):  
Reaction Time ◽  
Signal Intensity ◽  
Reaction Times ◽  
The Other ◽  
Monitoring Task ◽  
Auditory Signals ◽  
Auditory Monitoring ◽  
Over Time ◽  
Signal Intensities ◽  
Entire Distribution

5 Ss were required to respond as rapidly as possible to auditory signals of threshold, 34, 48, and 88 db intensity, mixed within the same 2-hr. session. Reaction time increased over time for all signal intensities, but the increase was larger for the threshold signal. There were two kinds of increase, one independent of signal intensity transferring the entire distribution toward longer reaction times. The other kind of increase was dependent on signal intensity and increased the number of long reaction times for the threshold signal.

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