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Muscle contraction and relaxation-response time in response to on or off status of visual stimulus
BACKGROUND: It is unclear whether response time is affected by a stimulus cue, such as a light turned on or off, or if there are differences in response to these cues during a muscle contraction task compared with a muscle relaxation task. The objective of this study was to assess the response time...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4130429/ https://www.ncbi.nlm.nih.gov/pubmed/25085278 http://dx.doi.org/10.1186/1880-6805-33-23 |
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author | Yotani, Kengo Nakamoto, Hiroki Ikudome, Sachi Yuki, Atsumu |
author_facet | Yotani, Kengo Nakamoto, Hiroki Ikudome, Sachi Yuki, Atsumu |
author_sort | Yotani, Kengo |
collection | PubMed |
description | BACKGROUND: It is unclear whether response time is affected by a stimulus cue, such as a light turned on or off, or if there are differences in response to these cues during a muscle contraction task compared with a muscle relaxation task. The objective of this study was to assess the response time of a relaxation task, including the contraction portion of the task, to a stimulus of a light turned on or off. In addition, we investigated the effect of the pre-contraction level on the relaxation task. RESULTS: Contraction response time was significantly shorter during the light-on status than during the light-off status (P <0.01), and relaxation response time in each maximum voluntary contraction was significantly longer during the light-on status than during the light-off status (P <0.01). The relaxation response time became longer in order of 25% to 75% maximum voluntary contraction regardless of light-on or -off status, and was significantly longer than the contraction response time (P <0.05-0.01). CONCLUSIONS: This study found that as the contraction level increased, the relaxation response time became longer than the contraction response time regardless of light status. However, contraction response time or relaxation response time findings were opposite to this during the light-on status and light-off status: contraction response time became shorter in the light-on status than in the light-off status and relaxation response time became longer in the light-on status than in the light-off status. These results suggest that the length of each response time is affected by motor control in the higher order brain and involves specific processing in the visual system. |
format | Online Article Text |
id | pubmed-4130429 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-41304292014-08-13 Muscle contraction and relaxation-response time in response to on or off status of visual stimulus Yotani, Kengo Nakamoto, Hiroki Ikudome, Sachi Yuki, Atsumu J Physiol Anthropol Original Article BACKGROUND: It is unclear whether response time is affected by a stimulus cue, such as a light turned on or off, or if there are differences in response to these cues during a muscle contraction task compared with a muscle relaxation task. The objective of this study was to assess the response time of a relaxation task, including the contraction portion of the task, to a stimulus of a light turned on or off. In addition, we investigated the effect of the pre-contraction level on the relaxation task. RESULTS: Contraction response time was significantly shorter during the light-on status than during the light-off status (P <0.01), and relaxation response time in each maximum voluntary contraction was significantly longer during the light-on status than during the light-off status (P <0.01). The relaxation response time became longer in order of 25% to 75% maximum voluntary contraction regardless of light-on or -off status, and was significantly longer than the contraction response time (P <0.05-0.01). CONCLUSIONS: This study found that as the contraction level increased, the relaxation response time became longer than the contraction response time regardless of light status. However, contraction response time or relaxation response time findings were opposite to this during the light-on status and light-off status: contraction response time became shorter in the light-on status than in the light-off status and relaxation response time became longer in the light-on status than in the light-off status. These results suggest that the length of each response time is affected by motor control in the higher order brain and involves specific processing in the visual system. BioMed Central 2014-08-01 /pmc/articles/PMC4130429/ /pubmed/25085278 http://dx.doi.org/10.1186/1880-6805-33-23 Text en Copyright © 2014 Yotani et al.; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/4.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. |
spellingShingle | Original Article Yotani, Kengo Nakamoto, Hiroki Ikudome, Sachi Yuki, Atsumu Muscle contraction and relaxation-response time in response to on or off status of visual stimulus |
title | Muscle contraction and relaxation-response time in response to on or off status of visual stimulus |
title_full | Muscle contraction and relaxation-response time in response to on or off status of visual stimulus |
title_fullStr | Muscle contraction and relaxation-response time in response to on or off status of visual stimulus |
title_full_unstemmed | Muscle contraction and relaxation-response time in response to on or off status of visual stimulus |
title_short | Muscle contraction and relaxation-response time in response to on or off status of visual stimulus |
title_sort | muscle contraction and relaxation-response time in response to on or off status of visual stimulus |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4130429/ https://www.ncbi.nlm.nih.gov/pubmed/25085278 http://dx.doi.org/10.1186/1880-6805-33-23 |
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