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Division of attention as a function of the number of steps, visual shifts, and memory loadThe effects on divided attention of visual shifts and long-term memory retrieval during a monitoring task are considered. A concurrent vigilance task was standardized under all experimental conditions. The results show that subjects can perform nearly perfectly on all of the time-shared tasks if long-term memory retrieval is not required for monitoring. With the requirement of memory retrieval, however, there was a large decrease in accuracy for all of the time-shared activities. It was concluded that the attentional demand of longterm memory retrieval is appreciable (even for a well-learned motor sequence), and thus memory retrieval results in a sizable reduction in the capability of subjects to divide their attention. A selected bibliography on the divided attention literature is provided.
Document ID
19860020856
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Chechile, R. A.
(Tufts Univ. Medford, Mass., United States)
Butler, K.
(NASA Ames Research Center Moffett Field, CA, United States)
Gutowski, W.
(NASA Ames Research Center Moffett Field, CA, United States)
Palmer, E. A.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 5, 2013
Publication Date
January 1, 1986
Subject Category
Behavioral Sciences
Report/Patent Number
NAS 1.15:88775
NASA-TM-88775
Accession Number
86N30328
Funding Number(s)
CONTRACT_GRANT: NCA2-OR785-801
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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