Five, 5-man crews of AFROTC students performed an auditory-vigilance task 4 hr./day on each of 4 days while concurrently performing two other passive tasks and various combinations of three active tasks. In spite of the high level of multiple-task activity required, auditory-vigilance performance declined in the typical way during each 4-hr. duty period. This is interpreted as a demonstration of the inapplicability of an “activation-hypothesis” explanation of vigilance behavior.
Get full access to this article
View all access options for this article.
References
1.
AlluisiE. A.HallT. J.ChilesW. D.Group performance during four-hour periods of confinement. USAF MRL Tech. doc. Rep., 1962, No. 62-70.
2.
BroadbentD. E.Perception and communication. New York: Pergamon, 1958.
3.
FrankmannJ. P.AdamsJ. A.Theories of vigilance. Psychol. Bull., 1962, 59, 257–272.
4.
HebbD. O.Drives and the C.N.S. (conceptual nervous system). Psychol. Rev., 1955, 62, 243–254.
5.
MackworthN. H.Researches on the measurement of human performance. Med. Res. Council spec. rep. Ser., 1950, No. 268.
6.
ScottT. H.Literature review of the intellectual effects of perceptual isolation. Canad. Defence Res. Bd Rep., 1957, No. HR66.
