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A mechanism of timing variability underlying the association between the mean and SD of asynchrony
Umeå University, Faculty of Social Sciences, Department of Psychology.ORCID iD: 0000-0001-6105-2929
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2019 (English)In: Human Movement Science, ISSN 0167-9457, E-ISSN 1872-7646, Vol. 67, article id 102500Article in journal (Refereed) Published
Abstract [en]

Sensorimotor timing behaviors typically exhibit an elusive phenomenon known as the negative asynchrony. When synchronizing movements (e.g. finger taps) with an external sequence (e.g. a metronome), people’s taps precede event onsets by a few tens of milliseconds. We recently reported that asynchrony is less negative in participants with lower asynchrony variability. This indicates an association between negative asynchrony and variability of timing. Here, in 24 metronome-synchronization data sets, we modeled asynchrony series using a sensorimotor synchronization model that accounts for serial dependence of asynchronies. The results showed that the modeling well captured the negative correlation between the mean and SD of asynchrony. The finding suggests that serial dependence in asynchronies is an essential mechanism of timing variability underlying the association between the mean and SD of asynchrony.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 67, article id 102500
Keywords [en]
timing asynchrony motor control
National Category
Social Sciences
Research subject
Psychology
Identifiers
URN: urn:nbn:se:umu:diva-162789DOI: 10.1016/j.humov.2019.102500ISI: 000494888500003OAI: oai:DiVA.org:umu-162789DiVA, id: diva2:1346498
Available from: 2019-08-28 Created: 2019-08-28 Last updated: 2019-11-26Bibliographically approved

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Holm, Linus

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