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| Research article summary (published 30 Jan 2002): |
A sensorimotor theory of temporal tracking and beat induction.
Full Abstract
In this paper, we develop a theory of the neurobiological basis of temporal tracking and beat induction as a form of sensory-guided action. We propose three principal components for the neurological architecture of temporal tracking:
(1) the central auditory system, which represents the temporal information in the input signal in the form of a modulation power spectrum; (2) the musculoskeletal system, which carries out the action and (3) a controller, in the form of a parieto-cerebellar-frontal loop, which carries out the synchronisation between input and output by means of an internal model of the musculoskeletal dynamics. The theory is implemented in the form of a computational algorithm which takes sound samples as input and synchronises a simple linear mass-spring-damper system to simulate audio-motor synchronisation. The model may be applied to both the tracking of isochronous click sequences and beat induction in rhythmic music or speech, and also accounts for the approximate Weberian property of timing.
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Author information
Author/s: Todd, N P McAngus (NP); Lee, C S (CS); O'Boyle, D J (DJ);
Affiliation: Department of Psychology, University of Manchester, Manchester, M13 9PL, UK. todd(-atsign-)fs4.psy.man.ac.uk
Journal and publication information
Publication Type: Journal Article
Journal: Psychological research (Psychol Res), published in Germany. (Language: eng)
Reference: 2002-Feb; vol 66 (issue 1) : pp 26-39
Dates: Created 2002/04/19; Completed 2002/06/25; Revised 2004/11/17;
PMID: 11963275, 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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