PMID: 11318062Apr 25, 2001Paper

Perception and production of brief durations: beat-based versus interval-based timing

Journal of Experimental Psychology. Human Perception and Performance
H Pashler

Abstract

Two experiments examined whether timing of short intervals is beat- or interval-based. In Experiment 1, subjects heard a sequence of standard tones followed by 2 test tones; they compared the interval between test tones to the interval between the standards. If optimal precision required beat-based timing, performance should be best in blocks in which the interval between standard and test reliably matched the standard interval. No such effect was observed. In Experiment 2, subjects heard 2 test tones and reproduced the intertone interval by producing 2 keypress responses. Entrainment to the beat was apparent: First-response latency clustered around the standard interval and was positively correlated with the produced interval. However, responses occurring on or near the beat showed no better temporal fidelity than off-beat responses. One plausible interpretation of these findings is that the brain always times brief intervals with an interval timer; however, this timer can be used in a cyclic fashion to trigger rhythmic responses.

Citations

Mar 11, 2011·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Sundeep TekiTimothy D Griffiths

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