Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization

For motor imagery (MI) to be effective, an internal representation of the to-be-imagined movement may be required. A representation can be achieved through prior motor execution (ME), but the neural correlates of MI that are primed by ME practice are currently unknown. In this study, young healthy a...

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Main Authors: Mareike Daeglau, Catharina Zich, Reiner Emkes, Julius Welzel, Stefan Debener, Cornelia Kranczioch
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-02-01
Series:Frontiers in Psychology
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fpsyg.2020.00057/full
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author Mareike Daeglau
Mareike Daeglau
Catharina Zich
Catharina Zich
Catharina Zich
Catharina Zich
Reiner Emkes
Julius Welzel
Julius Welzel
Julius Welzel
Stefan Debener
Stefan Debener
Stefan Debener
Cornelia Kranczioch
Cornelia Kranczioch
Cornelia Kranczioch
author_facet Mareike Daeglau
Mareike Daeglau
Catharina Zich
Catharina Zich
Catharina Zich
Catharina Zich
Reiner Emkes
Julius Welzel
Julius Welzel
Julius Welzel
Stefan Debener
Stefan Debener
Stefan Debener
Cornelia Kranczioch
Cornelia Kranczioch
Cornelia Kranczioch
author_sort Mareike Daeglau
collection DOAJ
description For motor imagery (MI) to be effective, an internal representation of the to-be-imagined movement may be required. A representation can be achieved through prior motor execution (ME), but the neural correlates of MI that are primed by ME practice are currently unknown. In this study, young healthy adults performed MI practice of a unimanual visuo-motor task (Group MI, n = 19) or ME practice combined with subsequent MI practice (Group ME&MI, n = 18) while electroencephalography (EEG) was recorded. Data analysis focused on the MI-induced event-related desynchronization (ERD). Specifically, changes in the ERD and movement times (MT) between a short familiarization block of ME (Block pre-ME), conducted before the MI or the ME combined with MI practice phase, and a short block of ME conducted after the practice phase (Block post-ME) were analyzed. Neither priming effects of ME practice on MI-induced ERD were found nor performance-enhancing effects of MI practice in general. We found enhancements of the ERD and MT in Block post-ME compared to Block pre-ME, but only for Group ME&MI. A comparison of ME performance measures before and after the MI phase indicated however that these changes could not be attributed to the combination of ME and MI practice. The mixed results of this study may be a consequence of the considerable intra- and inter-individual differences in the ERD, introduced by specifics of the experimental setup, in particular the individual and variable task duration, and suggest that task and experimental setup can affect the interplay of ME and MI.
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spelling doaj.art-69ab71d92db14459a86e7ce40f7a71882022-12-22T01:03:08ZengFrontiers Media S.A.Frontiers in Psychology1664-10782020-02-011110.3389/fpsyg.2020.00057502716Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related DesynchronizationMareike Daeglau0Mareike Daeglau1Catharina Zich2Catharina Zich3Catharina Zich4Catharina Zich5Reiner Emkes6Julius Welzel7Julius Welzel8Julius Welzel9Stefan Debener10Stefan Debener11Stefan Debener12Cornelia Kranczioch13Cornelia Kranczioch14Cornelia Kranczioch15Neuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyNeurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyNeuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyNeurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyDepartment of Psychiatry, Oxford Centre for Human Brain Activity, Wellcome Centre for Integrative Neuroimaging, University of Oxford, Oxford, United KingdomNuffield Department of Clinical Neurosciences, Wellcome Centre for Integrative Neuroimaging, Oxford Centre for Functional MRI of the Brain, University of Oxford, Oxford, United KingdomNeuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyNeuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyNeurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyDepartment of Neurology, Christian-Albrechts-University of Kiel, Kiel, GermanyNeuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyCluster of Excellence Hearing4All, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyResearch Center Neurosensory Science, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyNeuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyNeurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyResearch Center Neurosensory Science, Carl von Ossietzky University of Oldenburg, Oldenburg, GermanyFor motor imagery (MI) to be effective, an internal representation of the to-be-imagined movement may be required. A representation can be achieved through prior motor execution (ME), but the neural correlates of MI that are primed by ME practice are currently unknown. In this study, young healthy adults performed MI practice of a unimanual visuo-motor task (Group MI, n = 19) or ME practice combined with subsequent MI practice (Group ME&MI, n = 18) while electroencephalography (EEG) was recorded. Data analysis focused on the MI-induced event-related desynchronization (ERD). Specifically, changes in the ERD and movement times (MT) between a short familiarization block of ME (Block pre-ME), conducted before the MI or the ME combined with MI practice phase, and a short block of ME conducted after the practice phase (Block post-ME) were analyzed. Neither priming effects of ME practice on MI-induced ERD were found nor performance-enhancing effects of MI practice in general. We found enhancements of the ERD and MT in Block post-ME compared to Block pre-ME, but only for Group ME&MI. A comparison of ME performance measures before and after the MI phase indicated however that these changes could not be attributed to the combination of ME and MI practice. The mixed results of this study may be a consequence of the considerable intra- and inter-individual differences in the ERD, introduced by specifics of the experimental setup, in particular the individual and variable task duration, and suggest that task and experimental setup can affect the interplay of ME and MI.https://www.frontiersin.org/article/10.3389/fpsyg.2020.00057/fullmotor imageryEEGevent-related desynchronizationphysical practicepriming
spellingShingle Mareike Daeglau
Mareike Daeglau
Catharina Zich
Catharina Zich
Catharina Zich
Catharina Zich
Reiner Emkes
Julius Welzel
Julius Welzel
Julius Welzel
Stefan Debener
Stefan Debener
Stefan Debener
Cornelia Kranczioch
Cornelia Kranczioch
Cornelia Kranczioch
Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization
Frontiers in Psychology
motor imagery
EEG
event-related desynchronization
physical practice
priming
title Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization
title_full Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization
title_fullStr Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization
title_full_unstemmed Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization
title_short Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization
title_sort investigating priming effects of physical practice on motor imagery induced event related desynchronization
topic motor imagery
EEG
event-related desynchronization
physical practice
priming
url https://www.frontiersin.org/article/10.3389/fpsyg.2020.00057/full
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