Judging Time Intevals using a model of perceptuo-motor control

M. Grealy, Cathy Craig, C. Bourdin, S.G. Coleman

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Estimating a time interval and temporally coordinating movements in space are fundamental skills, but the relationships between these different forms of timing, and the neural processes that they incur, are not well understood. While different theories have been proposed to account for time perception, time estimation, and the temporal patterns of coordination, there are no general mechanisms which unify these various timing skills. This study considers whether a model of perceptuo-motor timing, the tau(GUIDE), can also describe how certain judgements of elapsed time are made. To evaluate this, an equation for determining interval estimates was derived from the tau(GUIDE) model and tested in a task where participants had to throw a ball and estimate when it would hit the floor. The results showed that in accordance with the model, very accurate judgements could be made without vision (mean timing error -19.24 msec), and the model was a good predictor of skilled participants' estimate timing. It was concluded that since the tau(GUIDE) principle provides temporal information in a generic form, it could be a unitary process that links different forms of timing.
LanguageEnglish
Pages1185-1195
Number of pages11
JournalJournal of Cognitive Neuroscience
Volume16
Issue number7
DOIs
Publication statusPublished - 1 Sep 2004

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Judging Time Intevals using a model of perceptuo-motor control. / Grealy, M.; Craig, Cathy; Bourdin, C.; Coleman, S.G.

In: Journal of Cognitive Neuroscience, Vol. 16, No. 7, 01.09.2004, p. 1185-1195.

Research output: Contribution to journalArticle

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AB - Estimating a time interval and temporally coordinating movements in space are fundamental skills, but the relationships between these different forms of timing, and the neural processes that they incur, are not well understood. While different theories have been proposed to account for time perception, time estimation, and the temporal patterns of coordination, there are no general mechanisms which unify these various timing skills. This study considers whether a model of perceptuo-motor timing, the tau(GUIDE), can also describe how certain judgements of elapsed time are made. To evaluate this, an equation for determining interval estimates was derived from the tau(GUIDE) model and tested in a task where participants had to throw a ball and estimate when it would hit the floor. The results showed that in accordance with the model, very accurate judgements could be made without vision (mean timing error -19.24 msec), and the model was a good predictor of skilled participants' estimate timing. It was concluded that since the tau(GUIDE) principle provides temporal information in a generic form, it could be a unitary process that links different forms of timing.

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