Abstract
Selective attention is hypothesized to be controlled by intentionally chosen algorithms that specify how stimuli are to be processed. These experiments attempted to measure the time to select such algorithms. Subjects were given a two-choice reaction time task with a variety of different possible stimuli. Prior to each trial, subjects viewed a cue under their control that indicated the two possible stimuli for the upcoming trial. During this interval, subjects presumably selected a stimulus identification algorithm appropriate for that pair of letters; the duration of the interval was used as an index of algorithm selection time. The results indicated that selection time increases with the number of alternative algorithms and that algorithms may consist, in part, of perceptual tests to determine which of the two possible stimuli was presented. A specific model of the selection process was proposed to account for the results.
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Dixon, P., & Just, M. A.Chronometric studies of algorithm selection: The problem of deciding what to do (Technical Memorandum 80-1222-1). Murray Hill, N.J: Bell Laboratories, 1980.
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Dixon, P. Algorithms and selective attention. Mem Cogn 9, 177–184 (1981). https://doi.org/10.3758/BF03202333
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DOI: https://doi.org/10.3758/BF03202333