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    A habituation account of change detection in same/different judgments

    Davelaar, Eddy J. and Tian, X. and Weidemann, C.T. and Huber, D.E. (2011) A habituation account of change detection in same/different judgments. Cognitive, Affective and Behavioral Neuroscience , ISSN 1530-7026.

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    We investigated the basis of change detection in a short-term priming task. In two experiments, participants were asked to indicate whether or not a target word was the same as a previously presented cue. Data from an experiment measuring magnetoencephalography failed to find different patterns for "same" and "different" responses, consistent with the claim that both arise from a common neural source, with response magnitude defining the difference between immediate novelty versus familiarity. In a behavioral experiment, we tested and confirmed the predictions of a habituation account of these judgments by comparing conditions in which the target, the cue, or neither was primed by its presentation in the previous trial. As predicted, cue-primed trials had faster response times, and target-primed trials had slower response times relative to the neither-primed baseline. These results were obtained irrespective of response repetition and stimulus-response contingencies. The behavioral and brain activity data support the view that detection of change drives performance in these tasks and that the underlying mechanism is neuronal habituation.


    Item Type: Article
    Keyword(s) / Subject(s): Perceptual habituation, same–different task, attention, change detection, cognitive aftereffects, priming, novelty
    School: School of Science > Psychological Sciences
    Depositing User: Administrator
    Date Deposited: 15 Nov 2011 14:33
    Last Modified: 17 Apr 2013 12:21


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