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The influence of rhythm on detection of auditory and vibrotactile asynchrony

The perception of an event is strongly influenced by the context in which it occurs. Here, we examined the effect of a rhythmic context on detection of asynchrony in both the auditory and vibrotactile modalities. Using the method of constant stimuli and a two-alternative forced choice (2AFC), partic...

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Autores principales: Lauzon, Andrew P., Russo, Frank A., Harris, Laurence R.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7181424/
https://www.ncbi.nlm.nih.gov/pubmed/32130431
http://dx.doi.org/10.1007/s00221-019-05720-x
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author Lauzon, Andrew P.
Russo, Frank A.
Harris, Laurence R.
author_facet Lauzon, Andrew P.
Russo, Frank A.
Harris, Laurence R.
author_sort Lauzon, Andrew P.
collection PubMed
description The perception of an event is strongly influenced by the context in which it occurs. Here, we examined the effect of a rhythmic context on detection of asynchrony in both the auditory and vibrotactile modalities. Using the method of constant stimuli and a two-alternative forced choice (2AFC), participants were presented with pairs of pure tones played either simultaneously or with various levels of stimulus onset asynchrony (SOA). Target stimuli in both modalities were nested within either: (i) a regularly occurring, predictable rhythm (ii) an irregular, unpredictable rhythm, or (iii) no rhythm at all. Vibrotactile asynchrony detection had higher thresholds and showed greater variability than auditory asynchrony detection in general. Asynchrony detection thresholds for auditory targets but not vibrotactile targets were significantly reduced when the target stimulus was embedded in a regular rhythm as compared to no rhythm. Embedding within an irregular rhythm produced no such improvement. The observed modality asymmetries are interpreted with regard to the superior temporal resolution of the auditory system and specialized brain circuitry supporting auditory–motor coupling. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s00221-019-05720-x) contains supplementary material, which is available to authorized users.
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spelling pubmed-71814242020-04-29 The influence of rhythm on detection of auditory and vibrotactile asynchrony Lauzon, Andrew P. Russo, Frank A. Harris, Laurence R. Exp Brain Res Research Article The perception of an event is strongly influenced by the context in which it occurs. Here, we examined the effect of a rhythmic context on detection of asynchrony in both the auditory and vibrotactile modalities. Using the method of constant stimuli and a two-alternative forced choice (2AFC), participants were presented with pairs of pure tones played either simultaneously or with various levels of stimulus onset asynchrony (SOA). Target stimuli in both modalities were nested within either: (i) a regularly occurring, predictable rhythm (ii) an irregular, unpredictable rhythm, or (iii) no rhythm at all. Vibrotactile asynchrony detection had higher thresholds and showed greater variability than auditory asynchrony detection in general. Asynchrony detection thresholds for auditory targets but not vibrotactile targets were significantly reduced when the target stimulus was embedded in a regular rhythm as compared to no rhythm. Embedding within an irregular rhythm produced no such improvement. The observed modality asymmetries are interpreted with regard to the superior temporal resolution of the auditory system and specialized brain circuitry supporting auditory–motor coupling. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s00221-019-05720-x) contains supplementary material, which is available to authorized users. Springer Berlin Heidelberg 2020-03-04 2020 /pmc/articles/PMC7181424/ /pubmed/32130431 http://dx.doi.org/10.1007/s00221-019-05720-x Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Research Article
Lauzon, Andrew P.
Russo, Frank A.
Harris, Laurence R.
The influence of rhythm on detection of auditory and vibrotactile asynchrony
title The influence of rhythm on detection of auditory and vibrotactile asynchrony
title_full The influence of rhythm on detection of auditory and vibrotactile asynchrony
title_fullStr The influence of rhythm on detection of auditory and vibrotactile asynchrony
title_full_unstemmed The influence of rhythm on detection of auditory and vibrotactile asynchrony
title_short The influence of rhythm on detection of auditory and vibrotactile asynchrony
title_sort influence of rhythm on detection of auditory and vibrotactile asynchrony
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7181424/
https://www.ncbi.nlm.nih.gov/pubmed/32130431
http://dx.doi.org/10.1007/s00221-019-05720-x
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