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Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers
The separation of distinct motor memories by contextual cues is a well known and well studied phenomenon of feedforward human motor control. However, there is no clear evidence of such context-induced separation in feedback control. Here we test both experimentally and computationally if context-dep...
Autores principales: | , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9217135/ https://www.ncbi.nlm.nih.gov/pubmed/35679316 http://dx.doi.org/10.1371/journal.pcbi.1010192 |
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author | Česonis, Justinas Franklin, David W. |
author_facet | Česonis, Justinas Franklin, David W. |
author_sort | Česonis, Justinas |
collection | PubMed |
description | The separation of distinct motor memories by contextual cues is a well known and well studied phenomenon of feedforward human motor control. However, there is no clear evidence of such context-induced separation in feedback control. Here we test both experimentally and computationally if context-dependent switching of feedback controllers is possible in the human motor system. Specifically, we probe visuomotor feedback responses of our human participants in two different tasks—stop and hit—and under two different schedules. The first, blocked schedule, is used to measure the behaviour of stop and hit controllers in isolation, showing that it can only be described by two independent controllers with two different sets of control gains. The second, mixed schedule, is then used to compare how such behaviour evolves when participants regularly switch from one task to the other. Our results support our hypothesis that there is contextual switching of feedback controllers, further extending the accumulating evidence of shared features between feedforward and feedback control. |
format | Online Article Text |
id | pubmed-9217135 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-92171352022-06-23 Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers Česonis, Justinas Franklin, David W. PLoS Comput Biol Research Article The separation of distinct motor memories by contextual cues is a well known and well studied phenomenon of feedforward human motor control. However, there is no clear evidence of such context-induced separation in feedback control. Here we test both experimentally and computationally if context-dependent switching of feedback controllers is possible in the human motor system. Specifically, we probe visuomotor feedback responses of our human participants in two different tasks—stop and hit—and under two different schedules. The first, blocked schedule, is used to measure the behaviour of stop and hit controllers in isolation, showing that it can only be described by two independent controllers with two different sets of control gains. The second, mixed schedule, is then used to compare how such behaviour evolves when participants regularly switch from one task to the other. Our results support our hypothesis that there is contextual switching of feedback controllers, further extending the accumulating evidence of shared features between feedforward and feedback control. Public Library of Science 2022-06-09 /pmc/articles/PMC9217135/ /pubmed/35679316 http://dx.doi.org/10.1371/journal.pcbi.1010192 Text en © 2022 Česonis, Franklin https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
spellingShingle | Research Article Česonis, Justinas Franklin, David W. Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers |
title | Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers |
title_full | Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers |
title_fullStr | Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers |
title_full_unstemmed | Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers |
title_short | Contextual cues are not unique for motor learning: Task-dependant switching of feedback controllers |
title_sort | contextual cues are not unique for motor learning: task-dependant switching of feedback controllers |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9217135/ https://www.ncbi.nlm.nih.gov/pubmed/35679316 http://dx.doi.org/10.1371/journal.pcbi.1010192 |
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