The precision of temporal judgement: milliseconds, many minutes, and beyond

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The precision of temporal judgement: milliseconds, many minutes, and beyond. / Lewis, PA; Miall, Rowland.

In: Royal Society of London. Philosophical Transactions B. Biological Sciences, Vol. 364, No. 1525, 01.07.2009, p. 1897-1905.

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@article{41e98a2dd0a241d7be0fd2961f8185cb,
title = "The precision of temporal judgement: milliseconds, many minutes, and beyond",
abstract = "The principle that the standard deviation of estimates scales with the mean estimate, commonly known as the scalar property, is one of the most broadly accepted fundamentals of interval timing. This property is measured using the coefficient of variation (CV) calculated as the ratio between the standard deviation and the mean. In 1997, John Gibbon suggested that different time measurement mechanisms may have different levels of absolute precision, and would therefore be associated with different CVs. Here, we test this proposal by examining the CVs produced by human subjects timing a broad range of intervals (68 ms to 16.7 min). Our data reveal no evidence for multiple mechanisms, but instead show a continuous logarithmic decrease in CV as timed intervals increase. This finding joins other recent reports in demonstrating a systematic violation of the scalar property in timing data. Interestingly, the estimated CV of circadian judgements fits onto the regression of decreasing CV, suggesting a link between short interval and circadian timing mechanisms.",
keywords = "scalar timing, time perception, precision, consistency",
author = "PA Lewis and Rowland Miall",
year = "2009",
month = jul,
day = "1",
doi = "10.1098/rstb.2009.0020",
language = "English",
volume = "364",
pages = "1897--1905",
journal = "Royal Society of London. Proceedings B. Biological Sciences",
issn = "0962-8452",
publisher = "The Royal Society",
number = "1525",

}

RIS

TY - JOUR

T1 - The precision of temporal judgement: milliseconds, many minutes, and beyond

AU - Lewis, PA

AU - Miall, Rowland

PY - 2009/7/1

Y1 - 2009/7/1

N2 - The principle that the standard deviation of estimates scales with the mean estimate, commonly known as the scalar property, is one of the most broadly accepted fundamentals of interval timing. This property is measured using the coefficient of variation (CV) calculated as the ratio between the standard deviation and the mean. In 1997, John Gibbon suggested that different time measurement mechanisms may have different levels of absolute precision, and would therefore be associated with different CVs. Here, we test this proposal by examining the CVs produced by human subjects timing a broad range of intervals (68 ms to 16.7 min). Our data reveal no evidence for multiple mechanisms, but instead show a continuous logarithmic decrease in CV as timed intervals increase. This finding joins other recent reports in demonstrating a systematic violation of the scalar property in timing data. Interestingly, the estimated CV of circadian judgements fits onto the regression of decreasing CV, suggesting a link between short interval and circadian timing mechanisms.

AB - The principle that the standard deviation of estimates scales with the mean estimate, commonly known as the scalar property, is one of the most broadly accepted fundamentals of interval timing. This property is measured using the coefficient of variation (CV) calculated as the ratio between the standard deviation and the mean. In 1997, John Gibbon suggested that different time measurement mechanisms may have different levels of absolute precision, and would therefore be associated with different CVs. Here, we test this proposal by examining the CVs produced by human subjects timing a broad range of intervals (68 ms to 16.7 min). Our data reveal no evidence for multiple mechanisms, but instead show a continuous logarithmic decrease in CV as timed intervals increase. This finding joins other recent reports in demonstrating a systematic violation of the scalar property in timing data. Interestingly, the estimated CV of circadian judgements fits onto the regression of decreasing CV, suggesting a link between short interval and circadian timing mechanisms.

KW - scalar timing

KW - time perception

KW - precision

KW - consistency

U2 - 10.1098/rstb.2009.0020

DO - 10.1098/rstb.2009.0020

M3 - Article

C2 - 19487192

VL - 364

SP - 1897

EP - 1905

JO - Royal Society of London. Proceedings B. Biological Sciences

JF - Royal Society of London. Proceedings B. Biological Sciences

SN - 0962-8452

IS - 1525

ER -