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| Research article summary (published 30 Jan 2002): |
Time, space, and short-term memory.
Full Abstract
This article describes a linear timekeeping system that can account for four main results from the human time-production literature:
(1) Variability of interresponse intervals (IRIs) in repetitive finger-tapping tasks increases with mean IRI; (2) The difference between mean and required IRI is a roughly sinusoidal function of required IRI (the "oscillator signature"); (3) The function relating standard deviation of IRI to relative phase, phi, in bimanual tapping has minima at relative phases of 0, 0.5, and 1, and maxima close to 0.5 (the "seagull" effect); (4) In the production of polyrhythms, the ratios that can be produced get "simpler" as response frequency increases. It is shown that all these phenomena can be accounted for with a linear timekeeper model. The model is rendered spatially with delay lines whose lengths provide a basis for varying time intervals. The model makes new predictions about timing, provides an account of time perception and time production, and predicts the existence of short-term memory.Copyright 2001 Elsevier Science (USA).
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Author information
Author/s: Rosenbaum, David A (DA);
Affiliation: Department of Psychology, Pennsylvania State University, University Park, Pennsylvania 16802, USA. DAR12(-atsign-)PSU.EDU
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.
Journal: Brain and cognition (Brain Cogn), published in United States. (Language: eng)
Reference: 2002-Feb; vol 48 (issue 1) : pp 52-65
Dates: Created 2002/01/28; Completed 2002/04/16; Revised 2006/11/15;
PMID: 11812032, 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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