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| Research article summary (published 27 Feb 2003): |
Simple reaction time and statistical facilitation: a parallel grains model.
Full Abstract
A race-like model is developed to account for various phenomena arising in simple reaction time (RT) tasks. Within the model, each stimulus is represented by a number of grains of information or activation processed in parallel. The stimulus is detected when a criterion number of activated grains reaches a decision center. Using the concept of statistical facilitation, the model accounts for many classical effects on mean simple RT, including those of stimulus area, stimulus intensity, stimulus duration, criterion manipulations, redundant stimuli, and the dissociation between intensity effects on simple RTs and temporal order judgments. The model is also consistent with distributional properties of simple RTs.
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Author information
Author/s: Miller, Jeff (J); Ulrich, Rolf (R);
Affiliation: Department of Psychology, University of Otago, Dunedin, New Zealand. miller(-atsign-)otago.ac.nz
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Cognitive psychology (Cognit Psychol), published in United States. (Language: eng)
Reference: 2003-Mar; vol 46 (issue 2) : pp 101-51
Dates: Created 2003/03/19; Completed 2003/05/14; Revised 2006/11/15;
PMID: 12643892, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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