Stimulus anticipation in choice reaction time with variable S-R mapping.

Abstract
Studied the effect of prediction outcome on choice RT when each stimulus presentation consisted of a rule bit which defined the stimulus-response mapping and a data bit which determined the response. Prior to each presentation, 10 undergraduates predicted both the data and rule portions of the signal. Choice latencies were shortest when both the data and rule were correctly predicted and longest when both were incorrectly predicted. Results indicate that Ss do not anticipate the response implied by the predicted stimulus. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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