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| Research article summary (published 30 May 2002): |
Short-term memory and time estimation: beyond the 2-second "critical" value.
Full Abstract
We showed previously that when time intervals around two seconds (s) are reproduced concurrently with a memory task, intervals are positively related to duration of memory processing. However, some data in research on timing as well as in memory research suggest that 2 s might be a critical duration beyond which different mechanisms or structures would support performance. This implies that the interference observed between memory processing and 2-s productions could be specific to these durations, and would not be obtained with longer durations. In this experiment, intervals ranging from 1.85 to 6.45 s were reproduced by participants, who were searching simultaneously for a memory probe. At all durations, reproductions were positively related to memory set size. These findings have implications with regards to previous research indicating a discontinuity around 2-3 s in time perception. They suggest in particular that the role of memory is similar in reproduction of durations around 2 s and of longer durations.
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Author information
Author/s: Fortin, Claudette (C); Couture, Emmanuelle (E);
Affiliation: Université Laval, Québec, Québec G1K 7P4. claudette.fortin(-atsign-)psy.ulaval.ca
Journal and publication information
Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
Journal: Canadian journal of experimental psychology = Revue canadienne de psychologie expérimentale (Can J Exp Psychol), published in Canada. (Language: eng)
Reference: 2002-Jun; vol 56 (issue 2) : pp 120-7
Dates: Created 2002/06/17; Completed 2002/08/14; Revised 2006/11/15;
PMID: 12066420, 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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