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Frank C, Kraeutner SN, Rieger M, Boe SG. Learning motor actions via imagery-perceptual or motor learning? PSYCHOLOGICAL RESEARCH 2024; 88:1820-1832. [PMID: 36680584 PMCID: PMC11315805 DOI: 10.1007/s00426-022-01787-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 12/22/2022] [Indexed: 01/22/2023]
Abstract
It is well accepted that repeatedly imagining oneself acting without any overt behavior can lead to learning. The prominent theory accounting for why imagery practice is effective, motor simulation theory, posits that imagined action and overt action are functionally equivalent, the exception being activation of the end effector. If, as motor simulation theory states, one can compile the goal, plan, motor program and outcome of an action during imagined action similar to overt action, then learning of novel skills via imagery should proceed in a manner equivalent to that of overt action. While the evidence on motor simulation theory is both plentiful and diverse, it does not explicitly account for differences in neural and behavioural findings between imagined and overt action. In this position paper, we briefly review theoretical accounts to date and present a perceptual-cognitive theory that accounts for often observed outcomes of imagery practice. We suggest that learning by way of imagery reflects perceptual-cognitive scaffolding, and that this 'perceptual' learning transfers into 'motor' learning (or not) depending on various factors. Based on this theory, we characterize consistently reported learning effects that occur with imagery practice, against the background of well-known physical practice effects and show that perceptual-cognitive scaffolding is well-suited to explain what is being learnt during imagery practice.
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Affiliation(s)
- Cornelia Frank
- Department of Sports and Movement Science, School of Educational and Cultural Studies, Osnabrück University, Osnabrück, Germany.
| | - Sarah N Kraeutner
- Department of Psychology, University of British Columbia, Okanagan, Kelowna, Canada
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
| | - Martina Rieger
- Institute for Psychology, UMIT Tirol - Private University for Health Sciences and Health Technology, Hall in Tyrol, Austria
| | - Shaun G Boe
- Laboratory for Brain Recovery and Function, School of Physiotherapy, Department of Psychology and Neuroscience, School of Health and Human Performance, Dalhousie University, Nova Scotia, Canada
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2
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Çiftçi MC, Yılmaz B. The effect of action observation and motor imagery on jumping and perceived performance. Front Psychol 2024; 15:1362976. [PMID: 39045444 PMCID: PMC11263293 DOI: 10.3389/fpsyg.2024.1362976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 06/10/2024] [Indexed: 07/25/2024] Open
Abstract
Introduction Action observation (AO) and motor imagery (MI) are cognitive processes that involve mentally rehearsing and simulating movements without physically performing them. However, the need for the evidence to support influence of imagery on performance is increasing. This study aims to investigate the impact of combining motor imagery with action observation on athletes' performance and performance perception. Method Using a pre-test post-test design with a factorial setup, participants were randomly assigned to experimental and control groups. A pre-research power analysis determined the sample size, resulting in 21 voluntary participants (10 male). Opto Jump device recorded drop jump performance measurements, while participants predicted their performance post-motor imagery and action observation practices. The experimental group underwent an 8-week AOMI intervention program, involving 24-minute motor imagery sessions during video observation thrice weekly. Post-test measurements were taken after the intervention. Results Results indicated no significant performance increase in the experimental group post-intervention, yet the group showed enhanced performance estimation following the video observation, but not in motor imagery condition. Conversely, this improvement was absent in the control group. Discussion Although AOMI intervention didn't enhance physical performance, it has positively affected athletes' perception toward their performance. The findings are discussed in relation to existing literature.
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Affiliation(s)
- Muhammet Cihat Çiftçi
- Faculty of Sport Science, Department of Sports Management, Ankara Yıldırım Beyazıt University, Ankara, Türkiye
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3
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Zai AT, Stepien AE, Giret N, Hahnloser RHR. Goal-directed vocal planning in a songbird. eLife 2024; 12:RP90445. [PMID: 38959057 PMCID: PMC11221833 DOI: 10.7554/elife.90445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024] Open
Abstract
Songbirds' vocal mastery is impressive, but to what extent is it a result of practice? Can they, based on experienced mismatch with a known target, plan the necessary changes to recover the target in a practice-free manner without intermittently singing? In adult zebra finches, we drive the pitch of a song syllable away from its stable (baseline) variant acquired from a tutor, then we withdraw reinforcement and subsequently deprive them of singing experience by muting or deafening. In this deprived state, birds do not recover their baseline song. However, they revert their songs toward the target by about 1 standard deviation of their recent practice, provided the sensory feedback during the latter signaled a pitch mismatch with the target. Thus, targeted vocal plasticity does not require immediate sensory experience, showing that zebra finches are capable of goal-directed vocal planning.
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Affiliation(s)
- Anja T Zai
- Neuroscience Center Zurich (ZNZ), University of Zurich and ETH ZurichZurichSwitzerland
- Institute of Neuroinformatics, University of Zurich and ETH ZurichZurichSwitzerland
| | - Anna E Stepien
- Neuroscience Center Zurich (ZNZ), University of Zurich and ETH ZurichZurichSwitzerland
- Institute of Neuroinformatics, University of Zurich and ETH ZurichZurichSwitzerland
| | - Nicolas Giret
- Institut des Neurosciences Paris-Saclay, UMR 9197 CNRS, Université Paris-SaclaySaclayFrance
| | - Richard HR Hahnloser
- Neuroscience Center Zurich (ZNZ), University of Zurich and ETH ZurichZurichSwitzerland
- Institute of Neuroinformatics, University of Zurich and ETH ZurichZurichSwitzerland
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Fukumoto Y, Todo M, Suzuki M, Kimura D, Suzuki T. Changes in spinal motoneuron excitability during the improvement of fingertip dexterity by actual execution combined with motor imagery practice. Heliyon 2024; 10:e30016. [PMID: 38707302 PMCID: PMC11066649 DOI: 10.1016/j.heliyon.2024.e30016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 04/07/2024] [Accepted: 04/18/2024] [Indexed: 05/07/2024] Open
Abstract
Since there is an upper limit to skill improvement through the repetition of actual execution, we examined whether motor imagery could be used in combination with actual execution to maximize motor skill improvement. Fingertip dexterity was evaluated in 25 healthy participants performing a force adjustment task using a pinch movement with the left thumb and index finger. In the intervention condition, six sets of repetitions of combined actual execution and motor imagery were performed, while in the control condition, the same flow was performed, but with motor imagery replaced by rest. Changes in the excitability of spinal motoneurons during motor imagery compared to rest were compared in terms of the F/M amplitude ratio. Motor skill changes were compared before and after repeated practice and between the conditions, respectively, using the absolute amount of adjustment error between the target pinch force value and the delivered pinch force value (absolute error) as an index. The results showed that the repetition of exercise practice and motor imagery decreased the absolute error, which was greater than that of exercise practice alone in terms of motor skill improvement. The F/M amplitude ratio for motor imagery compared to rest did not increase. This suggests that motor imagery is involved in the degree of the increase of spinal motoneuron excitability based on the real-time prediction of motor execution and that there may be no need for an increase in excitability during motor skill control.
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Affiliation(s)
- Yuki Fukumoto
- Kansai University of Health Sciences, Faculty of Health Sciences, Department of Physical Therapy, 2-11-1 Wakaba Sennangun Kumatori, Osaka, 590-0482, Japan
- Graduate School of Kansai University of Health Sciences, Graduate School of Health Sciences, 2-11-1 Wakaba Sennangun Kumatori, Osaka, 590-0482, Japan
| | - Marina Todo
- Kansai University of Health Sciences, Faculty of Health Sciences, Department of Physical Therapy, 2-11-1 Wakaba Sennangun Kumatori, Osaka, 590-0482, Japan
- Graduate School of Kansai University of Health Sciences, Graduate School of Health Sciences, 2-11-1 Wakaba Sennangun Kumatori, Osaka, 590-0482, Japan
| | - Makoto Suzuki
- Bukkyo University, Faculty of Health Sciences, Department of Occupational Therapy, 7 Higashitochio-cho Nishinokyo Nakagyo-ku, Kyoto, 604-8418, Japan
| | - Daisuke Kimura
- Nagoya Women's University, Faculty of Medical Science, Department of Occupational Therapy, 3-40 Shioji Mizuho Nagoya, Aichi, 467-8610, Japan
| | - Toshiaki Suzuki
- Kansai University of Health Sciences, Faculty of Health Sciences, Department of Physical Therapy, 2-11-1 Wakaba Sennangun Kumatori, Osaka, 590-0482, Japan
- Graduate School of Kansai University of Health Sciences, Graduate School of Health Sciences, 2-11-1 Wakaba Sennangun Kumatori, Osaka, 590-0482, Japan
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5
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Saruco E, Saimpont A, Di Rienzo F, De Witte B, Laroyenne I, Matéo F, Lapenderie M, Solard SG, Perretant I, Frenot C, Jackson PL, Guillot A. Towards efficient motor imagery interventions after lower-limb amputation. J Neuroeng Rehabil 2024; 21:55. [PMID: 38622634 PMCID: PMC11017566 DOI: 10.1186/s12984-024-01348-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 03/22/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND The therapeutic benefits of motor imagery (MI) are now well-established in different populations of persons suffering from central nervous system impairments. However, research on similar efficacy of MI interventions after amputation remains scarce, and experimental studies were primarily designed to explore the effects of MI after upper-limb amputations. OBJECTIVES The present comparative study therefore aimed to assess the effects of MI on locomotion recovery following unilateral lower-limb amputation. METHODS Nineteen participants were assigned either to a MI group (n = 9) or a control group (n = 10). In addition to the course of physical therapy, they respectively performed 10 min per day of locomotor MI training or neutral cognitive exercises, five days per week. Participants' locomotion functions were assessed through two functional tasks: 10 m walking and the Timed Up and Go Test. Force of the amputated limb and functional level score reflecting the required assistance for walking were also measured. Evaluations were scheduled at the arrival at the rehabilitation center (right after amputation), after prosthesis fitting (three weeks later), and at the end of the rehabilitation program. A retention test was also programed after 6 weeks. RESULTS While there was no additional effect of MI on pain management, data revealed an early positive impact of MI for the 10 m walking task during the pre-prosthetic phase, and greater performance during the Timed Up and Go Test during the prosthetic phase. Also, a lower proportion of participants still needed a walking aid after MI training. Finally, the force of the amputated limb was greater at the end of rehabilitation for the MI group. CONCLUSION Taken together, these data support the integration of MI within the course of physical therapy in persons suffering from lower-limb amputations.
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Affiliation(s)
- Elodie Saruco
- Universite Lyon 1, LIBM, Laboratoire Interuniversitaire de Biologie de la Motricité, UR 7424, Villeurbanne, F-69622, France
| | - Arnaud Saimpont
- Universite Lyon 1, LIBM, Laboratoire Interuniversitaire de Biologie de la Motricité, UR 7424, Villeurbanne, F-69622, France
| | - Franck Di Rienzo
- Universite Lyon 1, LIBM, Laboratoire Interuniversitaire de Biologie de la Motricité, UR 7424, Villeurbanne, F-69622, France
| | - Benjamin De Witte
- Universite Lyon 1, LIBM, Laboratoire Interuniversitaire de Biologie de la Motricité, UR 7424, Villeurbanne, F-69622, France
| | - Isabelle Laroyenne
- Centre Médico-Chirurgical de Réadaptation des Massues - Croix-Rouge française, 92 rue Dr. Edmond Locard, Lyon Cedex 05, 69322, France
| | - Fanny Matéo
- Centre Médico-Chirurgical de Réadaptation des Massues - Croix-Rouge française, 92 rue Dr. Edmond Locard, Lyon Cedex 05, 69322, France
| | - Marion Lapenderie
- Centre Médico-Chirurgical de Réadaptation des Massues - Croix-Rouge française, 92 rue Dr. Edmond Locard, Lyon Cedex 05, 69322, France
| | - Sarah Goutte Solard
- Centre Médico-Chirurgical de Réadaptation des Massues - Croix-Rouge française, 92 rue Dr. Edmond Locard, Lyon Cedex 05, 69322, France
| | - Isabelle Perretant
- Centre Médico-Chirurgical de Réadaptation des Massues - Croix-Rouge française, 92 rue Dr. Edmond Locard, Lyon Cedex 05, 69322, France
| | - Charlotte Frenot
- Centre Médico-Chirurgical de Réadaptation des Massues - Croix-Rouge française, 92 rue Dr. Edmond Locard, Lyon Cedex 05, 69322, France
| | - Philip L Jackson
- École de Psychologie, Université Laval, Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (CIRRIS), Quebec, Canada
| | - Aymeric Guillot
- Universite Lyon 1, LIBM, Laboratoire Interuniversitaire de Biologie de la Motricité, UR 7424, Villeurbanne, F-69622, France.
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Gowen E, Edmonds E, Poliakoff E. Motor imagery in autism: a systematic review. Front Integr Neurosci 2024; 18:1335694. [PMID: 38410719 PMCID: PMC10895877 DOI: 10.3389/fnint.2024.1335694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/17/2024] [Indexed: 02/28/2024] Open
Abstract
Introduction Motor Imagery (MI) is when an individual imagines performing an action without physically executing that action and is thought to involve similar neural processes used for execution of physical movement. As motor coordination difficulties are common in autistic individuals it is possible that these may affect MI ability. The aim of this systematic review was to assess the current knowledge around MI ability in autistic individuals. Methods A systematic search was conducted for articles published before September 2023, following PRISMA guidance. Search engines were PsycINFO, PubMed, Web of Science, Scopus, Wiley Online Library and PsyArXiv. Inclusion criteria included: (a) Original peer-reviewed and pre-print publications; (b) Autistic and a non-autistic group (c) Implicit or explicit imagery tasks (d) Behavioral, neurophysiological or self-rating measures, (e) Written in the English language. Exclusion criteria were (a) Articles only about MI or autism (b) Articles where the autism data is not presented separately (c) Articles on action observation, recognition or imitation only (d) Review articles. A narrative synthesis of the evidence was conducted. Results Sixteen studies across fourteen articles were included. Tasks were divided into implicit (unconscious) or explicit (conscious) MI. The implicit tasks used either hand (6) or body (4) rotation tasks. Explicit tasks consisted of perspective taking tasks (3), a questionnaire (1) and explicit instructions to imagine performing a movement (2). A MI strategy was apparent for the hand rotation task in autistic children, although may have been more challenging. Evidence was mixed and inconclusive for the remaining task types due to the varied range of different tasks and, measures conducted and design limitations. Further limitations included a sex bias toward males and the hand rotation task only being conducted in children. Discussion There is currently an incomplete understanding of MI ability in autistic individuals. The field would benefit from a battery of fully described implicit and explicit MI tasks, conducted across the same groups of autistic children and adults. Improved knowledge around MI in autistic individuals is important for understanding whether MI techniques may benefit motor coordination in some autistic people.
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Affiliation(s)
- Emma Gowen
- Division of Psychology, Communication and Human Neuroscience, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Eve Edmonds
- Division of Psychology, Communication and Human Neuroscience, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Ellen Poliakoff
- Division of Psychology, Communication and Human Neuroscience, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
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Kwon S, Kim J, Kim T. Neuropsychological Activations and Networks While Performing Visual and Kinesthetic Motor Imagery. Brain Sci 2023; 13:983. [PMID: 37508915 PMCID: PMC10377687 DOI: 10.3390/brainsci13070983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/18/2023] [Accepted: 06/19/2023] [Indexed: 07/30/2023] Open
Abstract
This study aimed to answer the questions 'What are the neural networks and mechanisms involved in visual and kinesthetic motor imagery?', and 'Is part of cognitive processing included during visual and kinesthetic motor imagery?' by investigating the neurophysiological networks and activations during visual and kinesthetic motor imagery using motor imagery tasks (golf putting). The experiment was conducted with 19 healthy adults. Functional magnetic resonance imaging (fMRI) was used to examine neural activations and networks during visual and kinesthetic motor imagery using golf putting tasks. The findings of the analysis on cerebral activation patterns based on the two distinct types of motor imagery indicate that the posterior lobe, occipital lobe, and limbic lobe exhibited activation, and the right hemisphere was activated during the process of visual motor imagery. The activation of the temporal lobe and the parietal lobe were observed during the process of kinesthetic motor imagery. This study revealed that visual motor imagery elicited stronger activation in the right frontal lobe, whereas kinesthetic motor imagery resulted in greater activation in the left frontal lobe. It seems that kinesthetic motor imagery activates the primary somatosensory cortex (BA 2), the secondary somatosensory cortex (BA 5 and 7), and the temporal lobe areas and induces human sensibility. The present investigation evinced that the neural network and the regions of the brain that are activated exhibit variability contingent on the category of motor imagery.
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Affiliation(s)
- Sechang Kwon
- Department of Humanities & Arts, Korea Science Academy of KAIST, 105-47, Baegyanggwanmun-ro, Busanjin-gu, Busan 47162, Republic of Korea
- Global Institute for Talented Education, Korea Advanced Institute of Science and Technology (KAIST), 291, Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Jingu Kim
- Department of Physical Education, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - Teri Kim
- Institute of Sports Science, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
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The Relationship between Restrictions on Going Out and Motor Imagery among Medical University Students in Japan—Research with Small Samples. Life (Basel) 2023; 13:life13030797. [PMID: 36983952 PMCID: PMC10054504 DOI: 10.3390/life13030797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/07/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
Motor imagery is often used as a training method to improve physical performance. Previous studies have often reported that reduced motor imagery is more likely to occur in older adults and stroke patients. However, it has also been reported that it is difficult to imagine exercises that cannot be performed. Therefore, we hypothesized that this may also have occurred in young people who were physically able to exercise but who were restricted by COVID-19 lockdowns, however, we could find no studies that investigated the impact of restricting outings. In this study, 83 healthy young people were measured for physical performance (maximum walking speed, grasp strength, Timed Up and Go test, imagined Timed Up and Go test, functional reach test, and five chair stand test). It was found that, while restricting outings did not influence physical performance in the subjects, it did influence motor imagery. Therefore, it should be borne in mind that training with motor imagery may not generate adequate actual motor imagery when restrictions are imposed on activities.
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Martel M, Glover S. TMS over dorsolateral prefrontal cortex affects the timing of motor imagery but not overt action: Further support for the motor-cognitive model. Behav Brain Res 2023; 437:114125. [PMID: 36167217 DOI: 10.1016/j.bbr.2022.114125] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 08/08/2022] [Accepted: 09/23/2022] [Indexed: 11/27/2022]
Abstract
The Motor-Cognitive model suggests a functional dissociation between motor imagery and overt action, in contrast to the Functional Equivalence view of common processes between the two behaviours. According to the Motor-Cognitive model, motor imagery differs from overt action primarily through the use of executive resources to monitor and elaborate a motor image during execution, which can result in a lack of correspondence between motor imagery and its overt action counterpart. The present study examined the importance of executive resources in motor imagery by using TMS to impair the function of the dorsolateral prefrontal cortex while measuring the time to complete imagined versus overt actions. In two experiments, TMS over the dorsolateral prefrontal cortex slowed motor imagery but did not affect overt actions. TMS over the same region also interfered with performance of a mental calculation task, though it did not reliably affect less demanding cognitive tasks also thought to rely on executive functions. Taken together, these results were consistent with the Motor-Cognitive model but not with the idea of functional equivalence. The implications of these results for the theoretical understanding of motor imagery, and potential applications of the Motor-Cognitive model to the use of motor imagery in training and rehabilitation, are discussed.
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Affiliation(s)
- Marie Martel
- Department of Psychology, Royal Holloway University of London, UK.
| | - Scott Glover
- Department of Psychology, Royal Holloway University of London, UK
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10
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Sequence representations after action-imagery practice of one-finger movements are effector-independent. PSYCHOLOGICAL RESEARCH 2023; 87:210-225. [PMID: 35113208 PMCID: PMC9873765 DOI: 10.1007/s00426-022-01645-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 01/16/2022] [Indexed: 01/31/2023]
Abstract
Action-imagery practice (AIP) is often less effective than action-execution practice (AEP). We investigated whether this is due to a different time course of learning of different types of sequence representations in AIP and AEP. Participants learned to sequentially move with one finger to ten targets, which were visible the whole time. All six sessions started with a test. In the first four sessions, participants performed AIP, AEP, or control-practice (CP). Tests involved the practice sequence, a mirror sequence, and a different sequence, which were performed both with the practice hand and the other (transfer) hand. In AIP and AEP, movement times (MTs) in both hands were significantly shorter in the practice sequence than in the other sequences, indicating sequence-specific learning. In the transfer hand, this indicates effector-independent visual-spatial representations. The time course of the acquisition of effector-independent visual-spatial representations did not significantly differ between AEP and AIP. In AEP (but not in AIP), MTs in the practice sequence were significantly shorter in the practice hand than in the transfer hand, indicating effector-dependent representations. In conclusion, effector-dependent representations were not acquired after extensive AIP, which may be due to the lack of actual feedback. Therefore, AIP may replace AEP to acquire effector-independent visual-spatial representations, but not to acquire effector-dependent representations.
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Patel S. Towards a conative account of mental imagery. PHILOSOPHICAL PSYCHOLOGY 2022. [DOI: 10.1080/09515089.2022.2148521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shivam Patel
- Department of Philosophy, Florida State University, Tallahassee, Florida, USA
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12
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Differences in motor imagery strategy change behavioral outcome. Sci Rep 2022; 12:13868. [PMID: 35974133 PMCID: PMC9381534 DOI: 10.1038/s41598-022-18164-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 08/05/2022] [Indexed: 11/08/2022] Open
Abstract
Kinesthetic motor imagery (KMI) involves imagining the feeling and experience of movements. We examined the effects of KMI, number visualizing, and KMI with number visualizing on the excitability of spinal motor neurons and a behavioral outcome measure in a pinch force task. Healthy participants (13 men and 8 women; mean age: 24.8 ± 5.5 years) were recruited. We compared the F-waves of the left thenar muscles after stimulating the left median nerve at the wrist during each motor imagery condition after a practice session. The KMI condition consisted of imagining muscle contraction, the number visualizing condition consisted of imagining the pinch force increasing numerically, and the KMI with number visualizing consisted of alternating between the KMI and imagining the pinch force increasing numerically. Before and after motor imagery, the time required to adjust to the target pinch force was compared. The time required to adjust the pinch force was shorter in the KMI with number visualizing condition than in the KMI and number visualizing conditions. There was no difference in the F/M amplitude ratio between each MI strategy condition, indicating the excitability of spinal motor neurons. Numerical information helped to improve the ability of participants to perform KMI.
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13
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Park J. The effects of task-oriented mental practice on upper limb function and coordination in chronic stroke patients—Randomized controlled trial design. Br J Occup Ther 2022. [DOI: 10.1177/03080226211057838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective This study is a randomized experimental design study conducted to investigate the effect of task-oriented mental practice (TOMP) on upper limb function and coordination in chronic stroke patients. Methods A total of 34 chronic stroke patients participated in this study and were randomly divided into an experimental group (EG) of 17 patients (TOMP) and a control group (CG) of 17 patients (task-oriented training). To measure the subject’s upper extremity function and coordination, the results of Fugl-Meyer assessment (FMA) of motor function (U/E) and co-coordination ratio (CCR) values calculated from the measurements of the BTS FreeEMG 300 were used. Results In the comparison before and after group intervention in terms of FMA, the EG showed significant changes in all items of FMA, but the CG showed significant changes only in the shoulder items ( p < 0.05). In the comparison between groups, significant differences were observed only in the total score of FMA ( p < 0.05). In terms of the CCR value, positive changes were found in the EG in all items except for the shoulder flexion, but negative changes were observed in all items in the CG. Conclusion It was confirmed that the TOMP applied in this study can have a positive effect on upper limb function and coordination in chronic stroke patients.
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Affiliation(s)
- JuHyung Park
- Department of Occupational Therapy, College of Health and Medical Sciences, Cheongju University, Cheongju, Korea
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Heena N, Zia NU, Sehgal S, Anwer S, Alghadir A, Li H. Effects of task complexity or rate of motor imagery on motor learning in healthy young adults. Brain Behav 2021; 11:e02122. [PMID: 34612612 PMCID: PMC8613406 DOI: 10.1002/brb3.2122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 01/26/2021] [Accepted: 03/06/2021] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND A growing body of evidence suggests the benefit of motor imagery in motor learning. While some studies tried to look at the effect of isolated mental practice, others evaluated the combined effect of motor imagery and physical practice in clinical rehabilitation. This study aimed to investigate the effects of task complexity or rates of motor imagery on motor learning in health young adults. METHODS Eighty-eight healthy individuals participated in this study. Participants were randomly allocated to either Group A (50% complex, N = 22), Group B (75% complex, N = 22), Group C (50% simple, N = 22), or Group D (75% simple, N = 22). Participants in the complex groups performed their task with nondominant hand and those in simple groups with a dominant hand. All participants performed a task that involved reach, grasp, and release tasks. The performance of the four groups was examined in the acquisition and retention phase. The main outcome measure was the movement time. RESULTS There were significant differences between immediate (i.e., acquisition) and late (i.e., retention) movement times at all three stages of task (i.e., MT1 [reaching time], MT2 [target transport time], and TMT [reaching time plus object transport time]) when individuals performed complex task with 75% imagery rate (p < .05). Similarly, there were significant differences between immediate and late movement times at all stages of task except the MT2 when individuals performed simple task with 75% imagery rate (p < .05). There were significant effects of task complexity (simple vs. complex tasks) on immediate movement time at the first stage of task (i.e., MT1 ) and late movement times of all three stages of task (p < .05). There were significant effects of the rate of imagery (50% vs. 75%) on late movement times at all three stages of tasks (p > .05). Additionally, there were no interaction effects of either task complexity or rate of imagery on both immediate and late movement times at all three stages of tasks (p > .05). CONCLUSION This study supports the use of higher rates (75%) of motor imagery to improve motor learning. Additionally, the practice of a complex task demonstrated better motor learning in healthy young adults. Future longitudinal studies should validate these results in different patient's population such as stroke, spinal cord injury, and Parkinson's disease.
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Affiliation(s)
- Nargis Heena
- Max Smart Super Specialty HospitalNew DelhiIndia
| | - Nayeem U. Zia
- Directorate of Health Services KashmirJammu and KashmirIndia
| | - Stuti Sehgal
- Institution of Rehabilitation Sciences, ISIC Vasant KunjNew DelhiIndia
| | - Shahnawaz Anwer
- Rehabilitation Research ChairCollege of Applied Medical SciencesKing Saud UniversityRiyadhSaudi Arabia
- Department of Building and Real EstateHong Kong Polytechnic UniversityKowloonHong Kong Special Administrative Region
| | - Ahmad Alghadir
- Rehabilitation Research ChairCollege of Applied Medical SciencesKing Saud UniversityRiyadhSaudi Arabia
| | - Heng Li
- Department of Building and Real EstateHong Kong Polytechnic UniversityKowloonHong Kong Special Administrative Region
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15
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Abstract
Abstract
Neurofeedback (NF) is a versatile non-invasive neuromodulation technique. In combination with motor imagery (MI), NF has considerable potential for enhancing motor performance or supplementing motor rehabilitation. However, not all users achieve reliable NF control. While research has focused on various brain signal properties and the optimisation of signal processing to solve this issue, the impact of context, i.e. the conditions in which NF motor tasks occur, is comparatively unknown. We review current research on the impact of context on MI NF and related motor domains. We identify long-term factors that act at the level of the individual or of the intervention, and short-term factors, with levels before/after and during a session. The reviewed literature indicates that context plays a significant role. We propose considering context factors as well as within-level and across-level interactions when studying MI NF.
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16
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Mizuguchi N, Tsuchimoto S, Fujii H, Kato K, Nagami T, Kanosue K. Recognition capability of one's own skilled movement is dissociated from acquisition of motor skill memory. Sci Rep 2021; 11:16710. [PMID: 34408254 PMCID: PMC8373862 DOI: 10.1038/s41598-021-96381-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 08/03/2021] [Indexed: 11/09/2022] Open
Abstract
When we have rehearsed a movement using an object, we can reproduce the movement without holding the object. However, the reproduced movement sometimes differs from the movement holding a real object, likely because movement recognition is inaccurate. In the present study, we tested whether the recognition capability was dissociated from the acquisition of motor skill memory. Twelve novices were asked to rotate two balls with their right hand as quickly as possible; they practiced the task for 29 days. To evaluate recognition capability, we calculated the difference in coordination pattern of all five digits between the ball-rotation movement and the reproduced movement without holding balls. The recognition capability did not change within the first day, but improved after one week of practice. On the other hand, performance of the ball rotation significantly improved within the first day. Since improvement of performance is likely associated with acquisition of motor skill memory, we suggest that recognition capability, which reflects the capability to cognitively access motor skill memory, was dissociated from the acquisition of motor skill memory. Therefore, recognition of one’s own skilled movement would rely on a hierarchical structure of acquisition of motor skill memory and cognitive access to that memory.
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Affiliation(s)
- Nobuaki Mizuguchi
- Research Organization of Science and Technology, Ritsumeikan University, 1-1-1 Noji-Higashi, Kusatsu, Shiga, 525-8577, Japan. .,Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama, 359-1192, Japan.
| | - Shohei Tsuchimoto
- Division of System Neuroscience, National Institute for Physiological Sciences, Aichi, 444-8585, Japan
| | - Hirofumi Fujii
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama, 359-1192, Japan
| | - Kouki Kato
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama, 359-1192, Japan.,Physical Education Center, Nanzan University, 18 Yamazato, Aichi, 466-8673, Japan
| | - Tomoyuki Nagami
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama, 359-1192, Japan.,College of Liberal Arts and Sciences, Kitasato University, 1-15-1 Kitazato, Minami-ku, Sagamihara, Kanagawa, 252-0373, Japan
| | - Kazuyuki Kanosue
- Faculty of Sport Sciences, Waseda University, 2-579-15 Mikajima, Tokorozawa, Saitama, 359-1192, Japan
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17
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Moon KJ, Lee MC, Hong U, Noh SR, Park CH, Han KH. Physiological Response of Imagery Running with or without an Avatar in 3D Virtual Reality: A Preliminary Study. THE ASIAN JOURNAL OF KINESIOLOGY 2021. [DOI: 10.15758/ajk.2021.23.3.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVES The present study is aimed at observing the physiological response imagery running with an avatar in 3D virtual reality (VR) and to explore the differences in physiological responses between imagery running with and without an avatar in 3D VR.METHODS We randomly assigned 32 healthy adults to either a group with Avatar (n = 19) or a group without (n = 13). The group with avatar performed imagery exercise with an avatar in 3D VR and the group without Avatar performed it without an avatar in 3D VR. Both groups were instructed to mentally imagine performing running in VR without executing actual physical movements. We recorded electro-physiological data before, during, and after the 20-min intervention. We also measured the participants’ level of presence and intensity of experienced cybersickness.RESULTS In the group with Avatar, all physiological responses increased from the resting to the intervention period. The group with Avatar also showed a higher level of presence and fewer cybersickness symptoms than the group without Avatar.CONCLUSIONS The results suggest imagery running with an avatar in 3D VR might be effective as an alternative exercise.
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18
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Feasibility of motor imagery and effects of activating and relaxing practice on autonomic functions in healthy young adults: A randomised, controlled, assessor-blinded, pilot trial. PLoS One 2021; 16:e0254666. [PMID: 34255812 PMCID: PMC8277051 DOI: 10.1371/journal.pone.0254666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 06/13/2021] [Indexed: 12/02/2022] Open
Abstract
Introduction Motor imagery (MI) is the mental rehearsal of a motor task. Between real and imagined movements, a functional equivalence has been described regarding timing and brain activation. The primary study aim was to investigate the feasibility of MI training focusing on the autonomic function in healthy young people. Further aims were to evaluate participants’ MI abilities and compare preliminary effects of activating and relaxing MI on autonomic function and against controls. Methods A single-blinded randomised controlled pilot trial was performed. Participants were randomised to the activating MI (1), relaxing MI (2), or control (3) group. Following a MI familiarisation, they practiced home-based kinaesthetic MI for 17 minutes, 5 times/week for 2 weeks. Participants were called once for support. The primary outcome was the feasibility of a full-scale randomised controlled trial using predefined criteria. Secondary outcomes were participants’ MI ability using the Movement Imagery Questionnaire-Revised, mental chronometry tests, hand laterality judgement and semi-structured interviews, autonomic function. Results A total of 35 participants completed the study. The feasibility of a larger study was confirmed, despite 35% attrition related to the COVID-19 pandemic. Excellent MI capabilities were seen in participants, and significant correlations between MI ability measures. Interview results showed that participants accepted or liked both interventions. Seven major themes and insider recommendations for MI interventions emerged. No significant differences and negligible to medium effects were observed in MI ability or autonomic function between baseline and post-intervention measures or between groups. Conclusions Results showed that neither activating nor relaxing MI seems to change autonomic function in healthy individuals. Further adequately powered studies are required to answer open questions remaining from this study. Future studies should investigate effects of different MI types over a longer period, to rule out habituation and assess autonomic function at several time points and simultaneously with MI.
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19
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Castro F, Bryjka PA, Di Pino G, Vuckovic A, Nowicky A, Bishop D. Sonification of combined action observation and motor imagery: Effects on corticospinal excitability. Brain Cogn 2021; 152:105768. [PMID: 34144438 DOI: 10.1016/j.bandc.2021.105768] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 01/06/2023]
Abstract
Action observation and motor imagery are valuable strategies for motor learning. Their simultaneous use (AOMI) increases neural activity, with related benefits for motor learning, compared to the two strategies alone. In this study, we explored how sonification influences AOMI. Twenty-five participants completed a practice block based on AOMI, motor imagery and physical execution of the same action. Participants were divided into two groups: An experimental group that practiced with sonification during AOMI (sAOMI), and a control group, which did not receive any extrinsic feedback. Corticospinal excitability at rest and during action observation and AOMI was assessed before and after practice, with and without sonification sound, to test the development of an audiomotor association. The practice block increased corticospinal excitability in all testing conditions, but sonification did not affect this. In addition, we found no differences in action observation and AOMI, irrespective of sonification. These results suggest that, at least for simple tasks, sonification of AOMI does not influence corticospinal excitability; In these conditions, sonification may have acted as a distractor. Future studies should further explore the relationship between task complexity, value of auditory information and action, to establish whether sAOMI is a valuable for motor learning.
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Affiliation(s)
- Fabio Castro
- Research Unit of Neurophysiology and Neuroengineering of Human-Technology Interaction (Next Lab), Università Campus Bio-Medico di Roma, Rome, Italy; Centre for Cognitive Neuroscience, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK.
| | - Paulina Anna Bryjka
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
| | - Giovanni Di Pino
- Research Unit of Neurophysiology and Neuroengineering of Human-Technology Interaction (Next Lab), Università Campus Bio-Medico di Roma, Rome, Italy
| | - Aleksandra Vuckovic
- School of Engineering, College of Engineering and Science, James Watt Building (south) University of Glasgow, Glasgow G12 8QQ, UK
| | - Alexander Nowicky
- Centre for Cognitive Neuroscience, Department of Clinical Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
| | - Daniel Bishop
- Centre for Cognitive Neuroscience, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
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20
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Castro F, Osman L, Di Pino G, Vuckovic A, Nowicky A, Bishop D. Does sonification of action simulation training impact corticospinal excitability and audiomotor plasticity? Exp Brain Res 2021; 239:1489-1505. [PMID: 33683403 PMCID: PMC8144125 DOI: 10.1007/s00221-021-06069-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/19/2021] [Indexed: 01/03/2023]
Abstract
Sonification is a sensory augmentation strategy whereby a sound is associated with, and modulated by, movement. Evidence suggests that sonification could be a viable strategy to maximize learning and rehabilitation. Recent studies investigated sonification of action observation, reporting beneficial effects, especially in Parkinson's disease. However, research on simulation training-a training regime based on action observation and motor imagery, in which actions are internally simulated, without physical execution-suggest that action observation alone is suboptimal, compared to the combined use of action observation and motor imagery. In this study, we explored the effects of sonified action observation and motor imagery on corticospinal excitability, as well as to evaluate the extent of practice-dependent plasticity induced by this training. Nineteen participants were recruited to complete a practice session based on combined and congruent action observation and motor imagery (AOMI) and physical imitation of the same action. Prior to the beginning, participants were randomly assigned to one of two groups, one group (nine participants) completed the practice block with sonified AOMI, while the other group (ten participants) completed the practice without extrinsic auditory information and served as control group. To investigate practice-induced plasticity, participants completed two auditory paired associative stimulation (aPAS) protocols, one completed after the practice block, and another one completed alone, without additional interventions, at least 7 days before the practice. After the practice block, both groups significantly increased their corticospinal excitability, but sonification did not exert additional benefits, compared to non-sonified conditions. In addition, aPAS significantly increased corticospinal excitability when completed alone, but when it was primed by a practice block, no modulatory effects on corticospinal excitability were found. It is possible that sonification of combined action observation and motor imagery may not be a useful strategy to improve corticospinal, but further studies are needed to explore its relationship with performance improvements. We also confirm the neuromodulatory effect of aPAS, but its interaction with audiomotor practice remain unclear.
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Affiliation(s)
- Fabio Castro
- Research Unit of Neurophysiology and Neuroengineering of Human-Technology Interaction (NeXTlab), Università Campus Bio-Medico Di Roma, Rome, Italy.
- Centre for Cognitive Neuroscience, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK.
| | - Ladan Osman
- Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
| | - Giovanni Di Pino
- Research Unit of Neurophysiology and Neuroengineering of Human-Technology Interaction (NeXTlab), Università Campus Bio-Medico Di Roma, Rome, Italy
| | - Aleksandra Vuckovic
- School of Engineering, College of Engineering and Science, James Watt Building (South) University of Glasgow, Glasgow, G12 8QQ, UK
| | - Alexander Nowicky
- Centre for Cognitive Neuroscience, Department of Clinical Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
| | - Daniel Bishop
- Centre for Cognitive Neuroscience, Department of Life Sciences, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, UK
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21
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Iso N, Moriuchi T, Fujiwara K, Matsuo M, Mitsunaga W, Hasegawa T, Iso F, Cho K, Suzuki M, Higashi T. Hemodynamic Signal Changes During Motor Imagery Task Performance Are Associated With the Degree of Motor Task Learning. Front Hum Neurosci 2021; 15:603069. [PMID: 33935666 PMCID: PMC8081959 DOI: 10.3389/fnhum.2021.603069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 03/12/2021] [Indexed: 12/19/2022] Open
Abstract
Purpose This study aimed to investigate whether oxygenated hemoglobin (oxy-Hb) generated during a motor imagery (MI) task is associated with the motor learning level of the task. Methods We included 16 right-handed healthy participants who were trained to perform a ball rotation (BR) task. Hemodynamic brain activity was measured using near-infrared spectroscopy to monitor changes in oxy-Hb concentration during the BR MI task. The experimental protocol used a block design, and measurements were performed three times before and after the initial training of the BR task as well as after the final training. The BR count during training was also measured. Furthermore, subjective vividness of MI was evaluated three times after NIRS measurement using the Visual Analog Scale (VAS). Results The results showed that the number of BRs increased significantly with training (P < 0.001). VAS scores also improved with training (P < 0.001). Furthermore, oxy-Hb concentration and the region of interest (ROI) showed a main effect (P = 0.001). An interaction was confirmed (P < 0.001), and it was ascertained that the change in oxy-Hb concentrations due to training was different for each ROI. The most significant predictor of subjective MI vividness was supplementary motor area (SMA) oxy-Hb concentration (coefficient = 0.365). Discussion Hemodynamic brain activity during MI tasks may be correlated with task motor learning levels, since significant changes in oxy-Hb concentrations were observed following initial and final training in the SMA. In particular, hemodynamic brain activity in the SMA was suggested to reflect the MI vividness of participants.
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Affiliation(s)
- Naoki Iso
- Faculty of Health Sciences, Tokyo Kasei University, Saitama, Japan
| | - Takefumi Moriuchi
- Department of Occupational Therapy, Nagasaki University Graduate School of Biomedical Sciences and Health Sciences, Nagasaki, Japan
| | - Kengo Fujiwara
- Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Moemi Matsuo
- Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Wataru Mitsunaga
- Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Takashi Hasegawa
- Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Fumiko Iso
- Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Kilchoon Cho
- Faculty of Health Sciences, Tokyo Kasei University, Saitama, Japan
| | - Makoto Suzuki
- Faculty of Health Sciences, Tokyo Kasei University, Saitama, Japan
| | - Toshio Higashi
- Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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22
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Precision pinch force control via brain and spinal motor neuron excitability during motor imagery. Neurosci Lett 2021; 754:135843. [PMID: 33774151 DOI: 10.1016/j.neulet.2021.135843] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/16/2021] [Accepted: 03/21/2021] [Indexed: 10/21/2022]
Abstract
This study presents a novel approach for identifying neural substrates underlying the beneficial effects of motor imagery. For motor imagery, participants were instructed to imagine contraction of the left thenar muscle at 50 % maximal voluntary contraction (MVC). The participants then performed isometric contractions of the thumb and index finger at 50 % MVC as accurately as possible after motor imagery and without motor imagery. F-waves and oxygen-hemoglobin levels were examined with and without motor imagery relative to the resting condition. These data were analyzed using structural equation modeling. The degree of changes in the excitability of spinal motor neurons using F-waves during motor imagery may be modulated by inputs from the supplementary motor area. F-waves were analyzed with respect to persistence and the F-wave/maximum M-wave amplitude ratio. We found an association between precision pinch force control after motor imagery and spinal motor neuron excitability during motor imagery. The excitability of the supplementary motor area was not directly associated with precision pinch force control. However, spinal motor neuron excitability was adjusted by the supplementary motor area. Thus, the ability to perform precision pinch force control may be influenced by the supplementary motor area through the excitability of spinal motor neurons.
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23
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Briones-Cantero M, Fernández-de-Las-Peñas C, Lluch-Girbés E, Osuna-Pérez MC, Navarro-Santana MJ, Plaza-Manzano G, Martín-Casas P. Effects of Adding Motor Imagery to Early Physical Therapy in Patients with Knee Osteoarthritis who Had Received Total Knee Arthroplasty: A Randomized Clinical Trial. PAIN MEDICINE 2020; 21:3548-3555. [PMID: 32346743 DOI: 10.1093/pm/pnaa103] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To investigate the effects of the inclusion of motor imagery (MI) principles into early physical therapy on pain, disability, pressure pain thresholds (PPTs), and range of motion in the early postsurgical phase after total knee arthroplasty (TKA). METHODS A randomized clinical trial including patients with knee osteoarthritis who have received TKA was conducted. Participants were randomized to receive five treatment sessions of either physical therapy with or without MI principles in an early postsurgical phase after a TKA (five days after surgery). Pain intensity (visual analog scale [VAS], 0-100), pain-related disability (short-form Western Ontario McMaster Universities Osteoarthritis Index [WOMAC], 0-32), pressure pain thresholds (PPTs), and knee range of motion were assessed before and after five daily treatment sessions by an assessor blinded to the subject's condition. RESULTS Twenty-four participants completed data collection and treatment. The adjusted analysis revealed significant group*time interactions for WOMAC (F = 17.29, P = 0.001, η2 = 0.48) and VAS (F = 14.56, P < 0.001, η2 = 0.45); patients receiving physiotherapy and MI principles experienced greater improvements in pain (Δ -28.0, 95% confidence interval [CI] = -43.0 to -13.0) and pain-related disability (Δ -6.0, 95% CI = -8.3 to -3.7) than those receiving physiotherapy alone. No significant group*time interactions for knee range of motion and PPTs were observed (all, P > 0.30). CONCLUSIONS The application of MI to early physiotherapy was effective for improving pain and disability, but not range of motion or pressure pain sensitivity, in the early postsurgical phase after TKA in people with knee osteoarthritis.
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Affiliation(s)
- María Briones-Cantero
- Unidad de Fisioterapia, Servicio de Rehabilitación, Hospital Universitario Doce de Octubre, Madrid, Spain
| | - César Fernández-de-Las-Peñas
- Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain.,Cátedra Institucional en Docencia, Clínica e Investigación en Fisioterapia: Terapia Manual, Punción Seca, y Ejercicio Terapéutico, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Enrique Lluch-Girbés
- Department of Physical Therapy, Universidad de Valencia, Valencia, Spain; Pain in Motion Research Group.,Department of Human Physiology (Chropiver), Faculty of Physical Education & Physiotherapy, Vrije Universiteit Brussel
| | | | | | - Gustavo Plaza-Manzano
- Department of Radiology, Rehabilitation and Physiotherapy, Universidad Complutense de Madrid, Madrid, Spain
| | - Patricia Martín-Casas
- Department of Radiology, Rehabilitation and Physiotherapy, Universidad Complutense de Madrid, Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Madrid, Spain
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24
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Freitas E, Saimpont A, Blache Y, Debarnot U. Acquisition and consolidation of sequential footstep movements with physical and motor imagery practice. Scand J Med Sci Sports 2020; 30:2477-2484. [PMID: 32777113 DOI: 10.1111/sms.13799] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 07/01/2020] [Accepted: 07/24/2020] [Indexed: 11/29/2022]
Abstract
Sleep-dependent performance enhancement has been consistently reported after explicit sequential finger learning, even using motor imagery practice (MIP), but whether similar sleep benefits occur after explicit sequential gross motor learning with the lower limbs has been addressed less often. Here, we investigated both acquisition and consolidation processes in an innovative sequential footstep task performed either physically or mentally. Forty-eight healthy young participants were tested before and after physical practice (PP) or MIP on the footstep task, following either a night of sleep (PPsleep and MIPsleep groups) or an equivalent daytime period (PPday and MIPday groups). Results showed that all groups improved motor performance following the acquisition session, albeit the magnitude of enhancement in the MIP groups remained lower relative to the PP groups. Importantly, only the MIPsleep group further improved performance after a night of sleep, while the other groups stabilized their performance after consolidation. Together, these findings demonstrate a sleep-dependent gain in performance after MIP in a sequential motor task with the lower limbs but not after PP. Overall, the present study is of particular importance in the context of motor learning and functional rehabilitation.
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Affiliation(s)
- Emilie Freitas
- Inter-University Laboratory of Human Movement Biology-EA 7424, University Claude Bernard-Lyon1, University of Lyon, Villeurbanne, France
| | - Arnaud Saimpont
- Inter-University Laboratory of Human Movement Biology-EA 7424, University Claude Bernard-Lyon1, University of Lyon, Villeurbanne, France
| | - Yoann Blache
- Inter-University Laboratory of Human Movement Biology-EA 7424, University Claude Bernard-Lyon1, University of Lyon, Villeurbanne, France
| | - Ursula Debarnot
- Inter-University Laboratory of Human Movement Biology-EA 7424, University Claude Bernard-Lyon1, University of Lyon, Villeurbanne, France
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25
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Imagining handwriting movements in a usual or unusual position: effect of posture congruency on visual and kinesthetic motor imagery. PSYCHOLOGICAL RESEARCH 2020; 85:2237-2247. [PMID: 32743730 DOI: 10.1007/s00426-020-01399-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 07/22/2020] [Indexed: 10/23/2022]
Abstract
Motor imagery has been used in training programs to improve the performance of motor skills. Handwriting movement may benefit from motor imagery training. To optimize the efficacy of this kind of training, it is important to identify the factors that facilitate the motor imagery process for handwriting movements. Several studies have shown that motor imagery is more easily achieved when there is maximum compatibility between the actual posture and the imagined movement. We, therefore, examined the effect of posture congruency on visual and kinesthetic motor imagery for handwriting movements. Adult participants had to write and imagine writing a sentence by focusing on the evocation of either the kinesthetic or visual consequences of the motion. Half the participants performed the motor imagery task in a congruent posture (sitting with a hand ready for writing), and half in an incongruent one (standing with arms crossed behind the back and fingers spread wide). The temporal similarity between actual and imagined movement times and the vividness of the motor imagery were evaluated. Results revealed that temporal similarity was stronger in the congruent posture condition than in the incongruent one. Furthermore, in the incongruent posture condition, participants reported greater difficulty forming a precise kinesthetic motor image of themselves writing than a visual image, whereas no difference was observed in the congruent posture condition. Taken together, our results show that postural information is taken into account during the mental simulation of handwriting movements. The implications of these findings for guiding the design of motor imagery training are discussed.
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26
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Computational discrimination between natural images based on gaze during mental imagery. Sci Rep 2020; 10:13035. [PMID: 32747683 PMCID: PMC7400610 DOI: 10.1038/s41598-020-69807-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 07/16/2020] [Indexed: 11/22/2022] Open
Abstract
When retrieving image from memory, humans usually move their eyes spontaneously as if the image were in front of them. Such eye movements correlate strongly with the spatial layout of the recalled image content and function as memory cues facilitating the retrieval procedure. However, how close the correlation is between imagery eye movements and the eye movements while looking at the original image is unclear so far. In this work we first quantify the similarity of eye movements between recalling an image and encoding the same image, followed by the investigation on whether comparing such pairs of eye movements can be used for computational image retrieval. Our results show that computational image retrieval based on eye movements during spontaneous imagery is feasible. Furthermore, we show that such a retrieval approach can be generalized to unseen images.
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The Beneficial Influence of Combining Motor Imagery and Coach’s Feedback on Soccer Pass Accuracy in Intermediate Players. JOURNAL OF MOTOR LEARNING AND DEVELOPMENT 2020. [DOI: 10.1123/jmld.2019-0024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This study compared the effects of motor imagery, feedback, and feedback+imagery interventions on soccer pass performance in non-elite players (intermediate, regional level). Participants were randomly divided into Control, Feedback, Imagery, and Feedback+Imagery groups, within a pre- post- intervention design. The intervention lasted 7 weeks, and the task consisted of passing the ball to a target 20-meters away. In each intervention session, the participants performed 3 blocks of four physical trials. The participants of the Feedback and Feedback+Imagery groups received expert feedback, given by the coach, after each block and then, all the participants realized a mental task (countdown or motor imagery). Results showed that the Feedback+Imagery group had the greatest pre- to post-test improvement compared to the other groups, and highlight the beneficial effect of combining verbal feedback and motor imagery to improve soccer passing accuracy. It is suggested to coaches or physical education teachers to adapt their training by incorporating feedback and imagery.
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The role of mental imagery in pantomimes of actions towards and away from the body. PSYCHOLOGICAL RESEARCH 2020; 85:1408-1417. [PMID: 32451629 DOI: 10.1007/s00426-020-01359-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 05/13/2020] [Indexed: 10/24/2022]
Abstract
This study aimed to explore the relationship between action execution and mental rotation modalities. To this end, pantomime gesture (i.e. the mime of the use of an object) was used as its execution relies on imagery processes. Specifically, we tried to clarify the role of visuo-spatial or motor and body-related mental imagery processes in pantomime gestures performed away (AB, e.g. drawing on a sheet) and towards the body (TB, e.g. brushing the teeth). We included an "actual use" condition in which participants were asked to use a toothbrush and make 3, 6, or 9 circular movements close to their mouth (as if they were brushing their teeth) or to use a pencil and make 3, 6, or 9 circular movements on a desk (as if they were drawing circles). Afterwards, participants were asked to pantomime the actual use of the same objects ("pantomime" condition). Finally, they were asked to mentally rotate three different stimuli: hands, faces, and abstract lines. Results showed that participants were faster in AB than TB pantomimes. Moreover, the more accurate and faster the mental rotation of body-related stimuli was, the more similar the temporal duration between both kinds of pantomimes and the actual use of the objects appeared. Instead, the temporal similarity between AB pantomimes and pencil actual use, as well as, the duration of AB pantomime and actual use, were associated with the ability to mentally rotate abstract lines. This was not true for TB movements. These results suggest that the execution of AB and TB pantomimes may involve different mental imagery modalities. Specifically, AB pantomimes would not only require to mentally manipulate images of body-parts in movement but also represent the spatial relations of the object with the external world.
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Kraeutner SN, Stratas A, McArthur JL, Helmick CA, Westwood DA, Boe SG. Neural and Behavioral Outcomes Differ Following Equivalent Bouts of Motor Imagery or Physical Practice. J Cogn Neurosci 2020; 32:1590-1606. [PMID: 32420839 DOI: 10.1162/jocn_a_01575] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Despite its reported effectiveness for the acquisition of motor skills, we know little about how motor imagery (MI)-based brain activation and performance evolves when MI (the imagined performance of a motor task) is used to learn a complex motor skill compared to physical practice (PP). The current study examined changes in MI-related brain activity and performance driven by an equivalent bout of MI- or PP-based training. Participants engaged in 5 days of either MI or PP of a dart-throwing task. Brain activity (via fMRI) and performance-related outcomes were obtained using a pre/post/retention design. Relative to PP, MI-based training did not drive robust changes in brain activation and was inferior for realizing improvements in performance: Greater activation in regions critical to refining the motor program was observed in the PP versus MI group posttraining, and relative to those driven via PP, MI led only to marginal improvements in performance. Findings indicate that the modality of practice (i.e., MI vs. PP) used to learn a complex motor skill manifests as differences in both resultant patterns of brain activity and performance. Ultimately, by directly comparing brain activity and behavioral outcomes after equivalent training through MI versus PP, this work provides unique knowledge regarding the neural mechanisms underlying learning through MI.
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Cuenca-Martínez F, Suso-Martí L, Sánchez-Martín D, Soria-Soria C, Serrano-Santos J, Paris-Alemany A, La Touche R, León-Hernández JV. Effects of Motor Imagery and Action Observation on Lumbo-pelvic Motor Control, Trunk Muscles Strength and Level of Perceived Fatigue: A Randomized Controlled Trial. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2020; 91:34-46. [PMID: 31626568 DOI: 10.1080/02701367.2019.1645941] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Accepted: 07/15/2019] [Indexed: 06/10/2023]
Abstract
Purpose: The aim of the study was to evaluate the effects of motor imagery (MI) and action observation (AO) combined with a motor control exercises program for the lumbopelvic region. Method: Forty-five asymptomatic individuals were randomized into three groups: MI (n = 15), AO (n = 15) or control group (CG) (n = 15). The outcome measures included lumbopelvic motor control measured with a stabilizer pressure biofeedback, trunk muscle strength using a dynamometer and the perceived fatigue using a visual analogue scale. Participants were assessed at pre-intervention, at first week of intervention (mid) and post-intervention. Results: Regarding lumbopelvic motor control, we observed significant within-group differences between pre- and the mid and post-intervention assessment in AO group (p < .001, d > 0.80). MI and CG groups showed significant differences between pre- and post-intervention assessment (p < .05, d > 0.80). Regarding the direct comparison in the ΔMid-Pre differences between groups, only the AO group was superior to the CG with a large effect size (d > 0.80). Regarding trunk muscle strength, significant within-group differences between pre- and post-intervention assessments were observed in AO (p < .001, d = -1.25) and MI (p < .05, d = -1.00) groups. In relation to the perceived fatigue, statistically significant within-group differences were found in all groups (p < .05, d > 0.60). Conclusion: AO training caused faster changes in lumbopelvic motor control compared with the CG group. The AO strategy could be used as a guideline for teaching lumbopelvic motor control exercises.
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Affiliation(s)
| | - Luis Suso-Martí
- Universidad Autónoma de Madrid
- Universidad Cardenal Herrera-CEU, CEU Universities
| | | | | | | | - Alba Paris-Alemany
- Universidad Autónoma de Madrid
- Instituto de Neurociencia y Dolor Craneofacial (INDCRAN)
- Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ)
| | - Roy La Touche
- Universidad Autónoma de Madrid
- Instituto de Neurociencia y Dolor Craneofacial (INDCRAN)
- Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ)
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Jayasinghe SAL, Ranganathan R. Effects of Short-Term Mental Imagery and Supplemental Visual Feedback on Muscle Coordination in a Myoelectric Task. J Mot Behav 2020; 53:59-71. [PMID: 32041488 DOI: 10.1080/00222895.2020.1723482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Changing muscle coordination patterns is a critical part of motor learning - yet there is a lack of simple, clinically feasible techniques to alter these patterns. Here, we investigated the effects of short-term mental imagery and supplemental visual feedback on muscle coordination using a myoelectric reaching task with complex mapping of arm and hand muscles to cursor position. Forty participants were divided into four groups, and practiced this task over 180 trials. During a short intervention period, the controls rested, the task- and muscle-imagery groups were given specific instructions meant to simplify the task, and the supplemental feedback group was provided extra visual information of muscle-to-cursor mapping. Results showed that there were no changes in task performance between groups. However, we found that in terms of muscle coordination, the supplemental visual feedback group showed the most efficient coordination. Furthermore, across all groups, individuals with greater efficiency and exploration showed better task performance at the end of practice. The results from this pilot study point to a greater need for understanding strategies for changing muscle coordination, which could be applicable in a rehabilitation setting.
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Affiliation(s)
| | - Rajiv Ranganathan
- Department of Kinesiology, Michigan State University, East Lansing, MI, USA.,Mechanical Engineering, Michigan State University, East Lansing, MI, USA
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Daeglau M, Zich C, Emkes R, Welzel J, Debener S, Kranczioch C. Investigating Priming Effects of Physical Practice on Motor Imagery-Induced Event-Related Desynchronization. Front Psychol 2020; 11:57. [PMID: 32116896 PMCID: PMC7012900 DOI: 10.3389/fpsyg.2020.00057] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 01/09/2020] [Indexed: 01/27/2023] Open
Abstract
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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Affiliation(s)
- Mareike Daeglau
- Neuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Neurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
| | - Catharina Zich
- Neuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Neurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Department of Psychiatry, Oxford Centre for Human Brain Activity, Wellcome Centre for Integrative Neuroimaging, University of Oxford, Oxford, United Kingdom.,Nuffield Department of Clinical Neurosciences, Wellcome Centre for Integrative Neuroimaging, Oxford Centre for Functional MRI of the Brain, University of Oxford, Oxford, United Kingdom
| | - Reiner Emkes
- Neuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
| | - Julius Welzel
- Neuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Neurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Department of Neurology, Christian-Albrechts-University of Kiel, Kiel, Germany
| | - Stefan Debener
- Neuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Cluster of Excellence Hearing4All, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Research Center Neurosensory Science, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
| | - Cornelia Kranczioch
- Neuropsychology Laboratory, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Neurocognition and Functional Neurorehabilitation Group, Department of Psychology, School of Medicine and Health Sciences, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.,Research Center Neurosensory Science, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
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Kober SE, Grössinger D, Wood G. Effects of Motor Imagery and Visual Neurofeedback on Activation in the Swallowing Network: A Real-Time fMRI Study. Dysphagia 2019; 34:879-895. [PMID: 30771088 PMCID: PMC6825652 DOI: 10.1007/s00455-019-09985-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 01/25/2019] [Indexed: 12/01/2022]
Abstract
Motor imagery of movements is used as mental strategy in neurofeedback applications to gain voluntary control over activity in motor areas of the brain. In the present functional magnetic resonance imaging (fMRI) study, we first addressed the question whether motor imagery and execution of swallowing activate comparable brain areas, which has been already proven for hand and foot movements. Prior near-infrared spectroscopy (NIRS) studies provide evidence that this is the case in the outer layer of the cortex. With the present fMRI study, we want to expand these prior NIRS findings to the whole brain. Second, we used motor imagery of swallowing as mental strategy during visual neurofeedback to investigate whether one can learn to modulate voluntarily activity in brain regions, which are associated with active swallowing, using real-time fMRI. Eleven healthy adults performed one offline session, in which they executed swallowing movements and imagined swallowing on command during fMRI scanning. Based on this functional localizer task, we identified brain areas active during both tasks and defined individually regions for feedback. During the second session, participants performed two real-time fMRI neurofeedback runs (each run comprised 10 motor imagery trials), in which they should increase voluntarily the activity in the left precentral gyrus by means of motor imagery of swallowing while receiving visual feedback (the visual feedback depicted one's own fMRI signal changes in real-time). Motor execution and imagery of swallowing activated a comparable network of brain areas including the bilateral pre- and postcentral gyrus, inferior frontal gyrus, basal ganglia, insula, SMA, and the cerebellum compared to a resting condition. During neurofeedback training, participants were able to increase the activity in the feedback region (left lateral precentral gyrus) but also in other brain regions, which are generally active during swallowing, compared to the motor imagery offline task. Our results indicate that motor imagery of swallowing is an adequate mental strategy to activate the swallowing network of the whole brain, which might be useful for future treatments of swallowing disorders.
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Affiliation(s)
- Silvia Erika Kober
- Institute of Psychology, University of Graz, Universitaetsplatz 2/III, 8010 Graz, Austria
- BioTechMed-Graz, Graz, Austria
| | - Doris Grössinger
- Institute of Psychology, University of Graz, Universitaetsplatz 2/III, 8010 Graz, Austria
| | - Guilherme Wood
- Institute of Psychology, University of Graz, Universitaetsplatz 2/III, 8010 Graz, Austria
- BioTechMed-Graz, Graz, Austria
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Cuenca-Martínez F, La Touche R, León-Hernández JV, Suso-Martí L. Mental practice in isolation improves cervical joint position sense in patients with chronic neck pain: a randomized single-blind placebo trial. PeerJ 2019; 7:e7681. [PMID: 31565582 PMCID: PMC6745187 DOI: 10.7717/peerj.7681] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 08/16/2019] [Indexed: 12/12/2022] Open
Abstract
Objective The main objective of this trial was to assess whether action observation (AO) training and motor imagery (MI) produced changes in the cervical joint position sense (CJPS) both at the end of the intervention and 10 min postintervention compared with a placebo intervention in patients with nonspecific chronic neck pain (NSCNP). Methods A single-blind placebo clinical trial was designed. A total of 30 patients with NSCNP were randomly assigned to the AO group, MI group or placebo observation (PO) group. CJPS in flexion, extension and rotation movements in both planes were the main variables. Results The results obtained in the vertical plane showed that the AO group obtained greater improvements than the PO group in the CJPS in terms of cervical extension movement both at the end of the intervention and 10 min postintervention (p = .001, d = 1.81 and p = .004, d = 1.74, respectively), and also in cervical flexion movement, although only at 10 min after the intervention (p = .035, d = 0.72). In addition, the AO group obtained greater improvements than the MI group in the CJPS only at the end of the intervention in cervical extension movement (p = .041, d = 1.17). Regarding the left rotation cervical movement, both the MI and AO groups were superior to the PO group in both planes at the end of the intervention (p < .05, d > 0.80). Conclusions Although both AO and MI could be a useful strategy for CJPS improvement, the AO group showed the strongest results. The therapeutic potential of the application of mental practice in a clinical context in the early stages of rehabilitation of NSCNP should be considered.
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Affiliation(s)
- Ferran Cuenca-Martínez
- Departamento de Fisioterapia, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, Madrid, Spain.,Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, Madrid, Spain
| | - Roy La Touche
- Departamento de Fisioterapia, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, Madrid, Spain.,Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, Madrid, Spain.,Instituto de Dolor Craneofacial y Neuromusculoesquelético (INDCRAN), Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Jose Vicente León-Hernández
- Departamento de Fisioterapia, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, Madrid, Spain.,Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, Madrid, Spain
| | - Luis Suso-Martí
- Motion in Brains Research Group, Institute of Neuroscience and Sciences of the Movement (INCIMOV), Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, Madrid, Spain.,Department of Physiotherapy, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
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Christakou A, Vasileiadis G, Kapreli E. Motor imagery as a method of maintaining performance in pianists during forced non-practice: a single case study. Physiother Theory Pract 2019; 37:540-548. [PMID: 31267825 DOI: 10.1080/09593985.2019.1636917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Background: Musicians suffer from upper limb playing-related musculoskeletal disorders that often oblige them to periodic inactivity. Objectives: To assess the effectiveness of motor imagery as a means of practice when the physical piano practice is restricted. Methods: A 17-year-old healthy pianist participated in a single subject case study with a multiple baseline design (ABC design). Performance ability was assessed during a period of the no practice, then a period of performing motor imagery and again during a period of another no practice. Assessments were performed subjectively by a professional piano teacher and objectively by the Synthesia software. Three visual analog scales were used to record stress, fatigue, and general psychological state. The participant's motor imagery ability was recorded by the use of the Movement Imagery Questionnaire. Results: There was a statistically significant reduction in performance after no practice. There was no change in performance during motor imagery intervention. The pianist's scores moderately correlated with the general psychological state. The Synthesia scoring presented high correlations with professional piano teacher scoring. Conclusions: Motor imagery seemed to have a positive effect in maintaining the musician's performance level. Synthesia shows promise as an outcome measure for assessing music performance, although further research is needed.
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Affiliation(s)
- Anna Christakou
- Physiotherapy Department, University of Western Attica, Athens, Greece, General Hospital of Athens "Euagelismos", Greece
| | | | - Eleni Kapreli
- Physiotherapy Department, TEI of Sterea Ellada, Lamia, Greece
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Ernyey AJ, Grohmann Pereira T, Kozma K, Kouhnavardi S, Kassai F, Gyertyán I. Following of aging process in a new motor skill learning model, "pot jumping" in rats. GeroScience 2019; 41:309-319. [PMID: 31129861 PMCID: PMC6698317 DOI: 10.1007/s11357-019-00073-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 05/08/2019] [Indexed: 11/04/2022] Open
Abstract
Impairment of procedural memory is a frequent and severe symptom in many neurological and psychiatric diseases as well as during aging. Our aim was to establish an assay in rats in which procedural learning and changes in performance can be studied on the long term. The work was done in the frame of a larger project aiming to establish a complex cognitive animal test battery of high translational value. The equipment was a 190-cm-diameter circular water tank where 12 flower pots were placed upside down in a circle with increasing distances (18-46 cm) between the adjacent ones. Male Lister Hooded and Long-Evans rats were allowed to move on the pots for 3 min. The arena was filled with shallow water to make the rats stay on the pots. Animals were obviously motivated to move around on the pots; however, the distance which required jumping (> 26 cm) meant a barrier for some of them. Development of motor skill was measured by the longest distance successfully spanned. A relatively flat bell-shaped age dependence was observed, with a peak at 13 months of age. A gradual decline in performance could be observed after the age of 20 months which preceded the appearance of overt physical weakness. Long-Evans rats showed more homogeneous performance and higher individual stability than Lister Hooded rats. The method is appropriate to study the development of motor learning and to follow its age-dependent changes. It may also serve as an assay for testing potential drugs for improving motor skills and/or procedural memory.
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Affiliation(s)
- Aliz Judit Ernyey
- MTA-SE NAP B Cognitive Translational Behavioural Pharmacology Group, Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Nagyvárad tér 4, Budapest, H-1089, Hungary.
| | - Tiago Grohmann Pereira
- MTA-SE NAP B Cognitive Translational Behavioural Pharmacology Group, Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Nagyvárad tér 4, Budapest, H-1089, Hungary
| | - Kata Kozma
- MTA-SE NAP B Cognitive Translational Behavioural Pharmacology Group, Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Nagyvárad tér 4, Budapest, H-1089, Hungary
| | - Shima Kouhnavardi
- MTA-SE NAP B Cognitive Translational Behavioural Pharmacology Group, Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Nagyvárad tér 4, Budapest, H-1089, Hungary
| | - Ferenc Kassai
- MTA-SE NAP B Cognitive Translational Behavioural Pharmacology Group, Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Nagyvárad tér 4, Budapest, H-1089, Hungary
| | - István Gyertyán
- MTA-SE NAP B Cognitive Translational Behavioural Pharmacology Group, Department of Pharmacology and Pharmacotherapy, Faculty of Medicine, Semmelweis University, Nagyvárad tér 4, Budapest, H-1089, Hungary
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Hamada H, Matsuzawa D, Sutoh C, Hirano Y, Chakraborty S, Ito H, Tsuji H, Obata T, Shimizu E. Comparison of brain activity between motor imagery and mental rotation of the hand tasks: a functional magnetic resonance imaging study. Brain Imaging Behav 2019; 12:1596-1606. [PMID: 29368208 PMCID: PMC6302056 DOI: 10.1007/s11682-017-9821-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Motor imagery (MI) has been considered effective in learning and practicing movements in many fields. However, when evaluating the effectiveness of this technique, the examiner has no way of assessing the participant’s motor imagery process. As an alternative, we have been exploring a mental body-part rotation task, in which the examiner can estimate the participant’s motivation and ability to sustain attention through the scored results. In this study, we aimed to investigate the possible application of a mental rotation (MRot) task and used fMRI to compare the brain activity during the MRot task with that during an MI task in healthy volunteers. Increased blood oxygenation level-dependent signals were observed bilaterally in the premotor areas and supplementary motor area during performance of both MI and MRot tasks. Our findings suggest that MRot could be an alternative to MI.
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Affiliation(s)
- Hiroyuki Hamada
- Department of Cognitive Behavioral Physiology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan.,Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan
| | - Daisuke Matsuzawa
- Department of Cognitive Behavioral Physiology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan.,Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan.,Research Center for Child Mental Development, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan
| | - Chihiro Sutoh
- Department of Cognitive Behavioral Physiology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan.,Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan
| | - Yoshiyuki Hirano
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan.,Research Center for Child Mental Development, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan
| | - Sudesna Chakraborty
- Research Center for Child Mental Development, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan
| | - Hiroshi Ito
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan
| | - Hiroshi Tsuji
- National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan
| | - Takayuki Obata
- Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan. .,Research Center for Child Mental Development, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan. .,Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan.
| | - Eiji Shimizu
- Department of Cognitive Behavioral Physiology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan.,Department of Molecular Imaging and Theranostics, National Institute of Radiological Sciences, QST, 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan.,Research Center for Child Mental Development, Chiba University, 1-8-1 Inohana, Chuo, Chiba, 260-8670, Japan
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Geiger DE, Behrendt F, Schuster-Amft C. EMG Muscle Activation Pattern of Four Lower Extremity Muscles during Stair Climbing, Motor Imagery, and Robot-Assisted Stepping: A Cross-Sectional Study in Healthy Individuals. BIOMED RESEARCH INTERNATIONAL 2019; 2019:9351689. [PMID: 31019976 PMCID: PMC6452562 DOI: 10.1155/2019/9351689] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/18/2019] [Accepted: 03/06/2019] [Indexed: 11/17/2022]
Abstract
BACKGROUND Stair climbing can be a challenging part of daily life and a limiting factor for social participation, in particular for patients after stroke. In order to promote motor relearning of stair climbing, different therapeutical measures can be applied such as motor imagery and robot-assisted stepping therapy. Both are common therapy measures and a positive influence on the rehabilitation process has been reported. However, there are contradictory results regarding the neuromuscular effect of motor imagery, and the effect of robot-assisted tilt table stepping on the EMG activation compared to stair climbing itself is not known. Thus, we investigated the EMG activity during (1) a stepping task on the robot-assisted tilt table Erigo, (2) motor imagery of stair climbing, and (3) real stair climbing in healthy individuals for a subsequent study on patients with lower limb motor impairment. The aim was to assess potential amplitude independent changes of the EMG activation as a function of the different conditions. METHODS EMG data of four muscles of the dominant leg were recorded in m. rectus femoris, m. biceps femoris, m. tibialis anterior, and m. gastrocnemius medialis. The cross-correlation analysis was performed to measure similarity/dissimilarity of the EMG curves. RESULTS The data of the study participants revealed high cross-correlation coefficients comparing the EMG activation modulation of stair climbing and robot-assisted tilt table stepping in three muscles except for the m. gastrocnemius medialis. As the EMG activation amplitude did not differ between motor imagery and the resting phase the according EMG data of the motor imagery condition were not subjected to a further analysis. CONCLUSION Robot-assisted tilt table stepping, but rather not motor imagery, evokes a similar activation in certain leg muscles compared to real stair climbing.
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Affiliation(s)
- Damaris E. Geiger
- Institute of Physiotherapy, Zurich University of Applied Sciences, Winterthur, Switzerland
| | - Frank Behrendt
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
| | - Corina Schuster-Amft
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
- Institute for Rehabilitation and Performance Technology, Bern University of Applied Sciences, Burgdorf, Switzerland
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
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Romkema S, Bongers RM, van der Sluis CK. Influence of mirror therapy and motor imagery on intermanual transfer effects in upper-limb prosthesis training of healthy participants: A randomized pre-posttest study. PLoS One 2018; 13:e0204839. [PMID: 30300378 PMCID: PMC6177130 DOI: 10.1371/journal.pone.0204839] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 09/13/2018] [Indexed: 12/13/2022] Open
Abstract
The effect that a motor skill trained on one side can lead to improvement in the untrained side is called intermanual transfer. Intermanual transfer can help enhance upper limb prosthetic training. To determine the influence of mirror therapy and motor imagery on intermanual transfer in upper limb prosthesis training, a pseudo-randomized clinical trial, single blinded, with a pre-posttest design was used. Forty-seven able-bodied, right-handed participants were pseudo-randomly assigned to two training groups and one control group. One training group undertook an intermanual transfer training program, using an upper-limb prosthetic simulator with added mirror therapy and motor imagery. The second training group completed only the intermanual transfer training program. The control group completed a sham training: a dummy training without using the prosthesis simulator. The program lasted five consecutive days. To determine the improvement in skill, a test was administered before, immediately after, and six days after the training program. Training used the "unaffected" arm; tests were performed with the "affected" arm, resembling the amputated limb. Movement time, the time from the beginning of the movement until completion of the task; hand opening, the duration of the maximum prosthetic hand opening; and grip-force control, the deviation from the required force during a tracking task. No intermanual transfer effects were found: neither the intermanual transfer training program, nor the additional mirror therapy and motor imagery affected prosthesis skills. A limitation of the study was that the training program was applied to able-bodied subjects instead of patients with an amputation. Contrary to previous studies, no intermanual transfer effects were found. Additional mirror therapy and motor imagery did not ameliorate intermanual transfer effects.
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Affiliation(s)
- Sietske Romkema
- University of Groningen, University Medical Center Groningen, Department of Rehabilitation Medicine, Groningen, the Netherlands
- * E-mail:
| | - Raoul M. Bongers
- University of Groningen, University Medical Center Groningen, Center of Human Movement Sciences, Groningen, the Netherlands
| | - Corry K. van der Sluis
- University of Groningen, University Medical Center Groningen, Department of Rehabilitation Medicine, Groningen, the Netherlands
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Neuroethical Implications of Neurocognitive Enhancement in Managerial Professional Contexts. JOURNAL OF COGNITIVE ENHANCEMENT 2018. [DOI: 10.1007/s41465-018-0100-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Wriessnegger SC, Bauernfeind G, Kurz EM, Raggam P, Müller-Putz GR. Imagine squeezing a cactus: Cortical activation during affective motor imagery measured by functional near-infrared spectroscopy. Brain Cogn 2018; 126:13-22. [DOI: 10.1016/j.bandc.2018.07.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 07/17/2018] [Accepted: 07/17/2018] [Indexed: 12/26/2022]
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Action observation facilitates motor cortical activity in patients with stroke and hemiplegia. Neurosci Res 2018; 133:7-14. [DOI: 10.1016/j.neures.2017.10.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Revised: 09/28/2017] [Accepted: 10/10/2017] [Indexed: 11/20/2022]
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Zhang L, Pi Y, Zhu H, Shen C, Zhang J, Wu Y. Motor experience with a sport-specific implement affects motor imagery. PeerJ 2018; 6:e4687. [PMID: 29719738 PMCID: PMC5926550 DOI: 10.7717/peerj.4687] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 04/10/2018] [Indexed: 11/20/2022] Open
Abstract
The present study tested whether sport-specific implements facilitate motor imagery, whereas nonspecific implements disrupt motor imagery. We asked a group of basketball players (experts) and a group of healthy controls (novices) to physically perform (motor execution) and mentally simulate (motor imagery) basketball throws. Subjects produced motor imagery when they were holding a basketball, a volleyball, or nothing. Motor imagery performance was measured by temporal congruence, which is the correspondence between imagery and execution times estimated as (imagery time minus execution time) divided by (imagery time plus execution time), as well as the vividness of motor imagery. Results showed that experts produced greater temporal congruence and vividness of kinesthetic imagery while holding a basketball compared to when they were holding nothing, suggesting a facilitation effect from sport-specific implements. In contrast, experts produced lower temporal congruence and vividness of kinesthetic imagery while holding a volleyball compared to when they were holding nothing, suggesting the interference effect of nonspecific implements. Furthermore, we found a negative correlation between temporal congruence and the vividness of kinesthetic imagery in experts while holding a basketball. On the contrary, the implement manipulation did not modulate the temporal congruence of novices. Our findings suggest that motor representation in experts is built on motor experience associated with specific-implement use and thus was subjected to modulation of the implement held. We conclude that sport-specific implements facilitate motor imagery, whereas nonspecific implements could disrupt motor representation in experts.
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Affiliation(s)
- Lanlan Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yanling Pi
- Shanghai Punan Hospital of Pudong New District, Shanghai, China
| | - Hua Zhu
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Cheng Shen
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Jian Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yin Wu
- School of Economics and Management, Shanghai University of Sport, Shanghai, China
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Kobelt M, Wirth B, Schuster-Amft C. Muscle Activation During Grasping With and Without Motor Imagery in Healthy Volunteers and Patients After Stroke or With Parkinson's Disease. Front Psychol 2018; 9:597. [PMID: 29740377 PMCID: PMC5928445 DOI: 10.3389/fpsyg.2018.00597] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 04/09/2018] [Indexed: 01/28/2023] Open
Abstract
Introduction: The present study assessed whether motor imagery (MI) produces electromyographic activation in specific muscles of the upper limb during a hand grasping and arm-lifting task in healthy volunteers, patients after stroke, or with Parkinson's disease. Electromyographic (EMG) activation was compared under three conditions: MI, physical execution (PE), and rest. The task is clinically relevant unilateral executed movement using open muscle chains. Methods: In a cross-sectional study EMG activation was measured in four muscles: M. deltoideus pars clavicularis, M. biceps brachii, M. extensor digitorum, M. flexor carpi radialis. MI ability was evaluated with mental rotation, mental chronometry and the Kinaesthetic and Visual Imagery Questionnaire. Cognitive performance was screened with the Mini-Mental State Examination. Results: Twenty-two participants (11 females, age 52.6 ±15.8, age range 21 to 72) were included: ten healthy volunteers, seven patients after stroke (time after stroke onset 16.3 ± 24.8 months), and five patients with Parkinson's disease (disease duration 60.4 ± 24.5 months). Overall Mini-Mental State Examination scores ranged between 27 and 30. An increased EMG activation during MI compared to rest condition was observed in M. deltoideus pars clavicularis and M. biceps brachii across all participants (p-value = 0.001, p = 0.007). Seven participants (two healthy volunteers, three patients after stroke and two patients with Parkinson's disease) showed a EMG activation during MI of the hand grasping and arm-lifting task in at least one of the target muscles. No correlation between EMG activation during MI and scores of three MI ability assessments were found. Conclusions: The findings suggest that MI can yield subliminal EMG activation. However, that might vary on individual basis. It remains unclear what parameters contribute to or inhibit an EMG activation during MI. Future investigations should determine factors that influence EMG activation, e.g. MI instructions, tasks to imagine, amount of MI training, and longitudinal changes after an MI training period.
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Affiliation(s)
- Manuela Kobelt
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland.,Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland
| | - Brigitte Wirth
- Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.,Interdisciplinary Spinal Research, Department of Chiropractic Medicine, Balgrist University Hospital, Zurich, Switzerland
| | - Corina Schuster-Amft
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland.,Institute of Rehabilitation and Performance Technology, Bern University of Applied Sciences, Burgdorf, Switzerland.,Division of Rehabilitative and Regenerative Medicine, Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
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Ono Y, Wada K, Kurata M, Seki N. Enhancement of motor-imagery ability via combined action observation and motor-imagery training with proprioceptive neurofeedback. Neuropsychologia 2018; 114:134-142. [PMID: 29698736 DOI: 10.1016/j.neuropsychologia.2018.04.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 04/16/2018] [Accepted: 04/18/2018] [Indexed: 10/17/2022]
Abstract
Varied individual ability to control the sensory-motor rhythms may limit the potential use of motor-imagery (MI) in neurorehabilitation and neuroprosthetics. We employed neurofeedback training of MI under action observation (AO: AOMI) with proprioceptive feedback and examined whether it could enhance MI-induced event-related desynchronization (ERD). Twenty-eight healthy young adults participated in the neurofeedback training. They performed MI while watching a video of hand-squeezing motion from a first-person perspective. Eleven participants received correct proprioceptive feedback of the same hand motion with the video, via an exoskeleton robot attached to their hand, upon their successful generation of ERD. Another nine participants received random feedback. The training lasted for approximately 20 min per day and continued for 6 days within an interval of 2 weeks. MI-ERD power was evaluated separately, without AO, on each experimental day. The MI-ERD power of the participants receiving correct feedback, as opposed to random feedback, was significantly increased after training. An additional experiment in which the remaining eight participants were trained with auditory instead of proprioceptive feedback failed to show statistically significant increase in MI-ERD power. The significant training effect obtained in shorter training time relative to previously proposed methods suggests the superiority of AOMI training and physiologically-congruent proprioceptive feedback to enhance the MI-ERD power. The proposed neurofeedback training could help patients with motor deficits to attain better use of brain-machine interfaces for rehabilitation and/or prosthesis.
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Affiliation(s)
- Yumie Ono
- Department of Electronics and Bioinformatics, School of Science and Technology, Meiji University, 1-1-1 Higashi-mita, Tama-ku, Kawasaki, Kanagawa, 213-8571, Japan; Electrical Engineering Program, Graduate School of Science and Technology, Meiji University, 1-1-1 Higashi-mita, Tama-ku, Kawasaki, Kanagawa, 213-8571, Japan.
| | - Kenya Wada
- Electrical Engineering Program, Graduate School of Science and Technology, Meiji University, 1-1-1 Higashi-mita, Tama-ku, Kawasaki, Kanagawa, 213-8571, Japan.
| | - Masaya Kurata
- Electrical Engineering Program, Graduate School of Science and Technology, Meiji University, 1-1-1 Higashi-mita, Tama-ku, Kawasaki, Kanagawa, 213-8571, Japan.
| | - Naoto Seki
- Electrical Engineering Program, Graduate School of Science and Technology, Meiji University, 1-1-1 Higashi-mita, Tama-ku, Kawasaki, Kanagawa, 213-8571, Japan.
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Theeuwes M, Liefooghe B, De Schryver M, De Houwer J. The role of motor imagery in learning via instructions. Acta Psychol (Amst) 2018; 184:110-123. [PMID: 28545630 DOI: 10.1016/j.actpsy.2017.05.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 04/25/2017] [Accepted: 05/09/2017] [Indexed: 11/28/2022] Open
Abstract
Learning via instructions and learning through physical practice are complementary pathways to obtain skilled performance. Whereas an initial task representation can be formed on the basis of instructions, physically practicing novel instructions leads to a shift in processing mode from controlled processing toward more automatic processing. This shift in processing mode is supposedly caused by the formation of a pragmatic task representation, which includes task parameters needed to attain skilled task execution. In between learning via instructions and physical practice, a third type of learning can be situated, motor imagery. Two experiments are reported that studied the extent to which motor imagery can enhance the application of novel instructions. A procedure was developed in which performance improvement after motor imagery could be measured for behavioral markers of processes underlying response selection (i.e., initiation time of a response sequence) and for behavioral markers of processes underlying movement execution (i.e., completion time of the response sequence). Our results suggest that whereas physical practice improves response selection and movement execution, motor imagery only improves response selection. We propose that motor imagery also leads to a shift in processing mode and to the formation of a pragmatic task representation, albeit a less detailed one as compared to the representation that is formed on the basis of physical practice.
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47
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Guilbert J, Jouen F, Molina M. Motor imagery development and proprioceptive integration: Which sensory reweighting during childhood? J Exp Child Psychol 2018; 166:621-634. [DOI: 10.1016/j.jecp.2017.09.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 09/27/2017] [Accepted: 09/27/2017] [Indexed: 11/25/2022]
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48
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Kim T, Frank C, Schack T. A Systematic Investigation of the Effect of Action Observation Training and Motor Imagery Training on the Development of Mental Representation Structure and Skill Performance. Front Hum Neurosci 2017; 11:499. [PMID: 29089881 PMCID: PMC5650990 DOI: 10.3389/fnhum.2017.00499] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 09/28/2017] [Indexed: 11/13/2022] Open
Abstract
Action observation training and motor imagery training have independently been studied and considered as an effective training strategy for improving motor skill learning. However, comparative studies of the two training strategies are relatively few. The purpose of this study was to investigate the effects of action observation training and motor imagery training on the development of mental representation structure and golf putting performance as well as the relation between the changes in mental representation structure and skill performance during the early learning stage. Forty novices were randomly assigned to one of four groups: action observation training, motor imagery training, physical practice and no practice. The mental representation structure and putting performance were measured before and after 3 days of training, then after a 2-day retention period. The results showed that mental representation structure and the accuracy of the putting performance were improved over time through the two types of cognitive training (i.e., action observation training and motor imagery training). In addition, we found a significant positive correlation between changes in mental representation structure and skill performance for the action observation training group only. Taken together, these results suggest that both cognitive adaptations and skill improvement occur through the training of the two simulation states of action, and that perceptual-cognitive changes are associated with the change of skill performance for action observation training.
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Affiliation(s)
- Taeho Kim
- Neurocognition and Action-Biomechanics Research Group, Bielefeld University, Bielefeld, Germany.,Cognitive Interaction Technology-Center of Excellence (CITEC), Bielefeld University, Bielefeld, Germany
| | - Cornelia Frank
- Neurocognition and Action-Biomechanics Research Group, Bielefeld University, Bielefeld, Germany.,Cognitive Interaction Technology-Center of Excellence (CITEC), Bielefeld University, Bielefeld, Germany
| | - Thomas Schack
- Neurocognition and Action-Biomechanics Research Group, Bielefeld University, Bielefeld, Germany.,Cognitive Interaction Technology-Center of Excellence (CITEC), Bielefeld University, Bielefeld, Germany.,Research Institute for Cognition and Robotics (CoR-Lab), Bielefeld University, Bielefeld, Germany
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Horton JC, Fahle M, Mulder T, Trauzettel-Klosinski S. Adaptation, perceptual learning, and plasticity of brain functions. Graefes Arch Clin Exp Ophthalmol 2017; 255:435-447. [PMID: 28091782 PMCID: PMC5323482 DOI: 10.1007/s00417-016-3580-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 12/06/2016] [Accepted: 12/28/2016] [Indexed: 12/16/2022] Open
Abstract
The capacity for functional restitution after brain damage is quite different in the sensory and motor systems. This series of presentations highlights the potential for adaptation, plasticity, and perceptual learning from an interdisciplinary perspective. The chances for restitution in the primary visual cortex are limited. Some patterns of visual field loss and recovery after stroke are common, whereas others are impossible, which can be explained by the arrangement and plasticity of the cortical map. On the other hand, compensatory mechanisms are effective, can occur spontaneously, and can be enhanced by training. In contrast to the human visual system, the motor system is highly flexible. This is based on special relationships between perception and action and between cognition and action. In addition, the healthy adult brain can learn new functions, e.g. increasing resolution above the retinal one. The significance of these studies for rehabilitation after brain damage will be discussed.
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Affiliation(s)
| | - Manfred Fahle
- Center for Cognitive Sciences, University of Bremen, Bremen, Germany
| | - Theo Mulder
- Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands
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O'Shea H, Moran A. Does Motor Simulation Theory Explain the Cognitive Mechanisms Underlying Motor Imagery? A Critical Review. Front Hum Neurosci 2017; 11:72. [PMID: 28261079 PMCID: PMC5313484 DOI: 10.3389/fnhum.2017.00072] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 02/06/2017] [Indexed: 01/19/2023] Open
Abstract
Motor simulation theory (MST; Jeannerod, 2001) purports to explain how various action-related cognitive states relate to actual motor execution. Specifically, it proposes that motor imagery (MI; imagining an action without executing the movements involved) shares certain mental representations and mechanisms with action execution, and hence, activates similar neural pathways to those elicited during the latter process. Furthermore, MST postulates that MI works by rehearsing neural motor systems off-line via a hypothetical simulation process. In this paper, we review evidence cited in support of MST and evaluate its efficacy in understanding the cognitive mechanisms underlying MI. In doing so, we delineate the precise postulates of simulation theory and clarify relevant terminology. Based on our cognitive-level analysis, we argue firstly that the psychological mechanisms underlying MI are poorly understood and require additional conceptual and empirical analysis. In addition, we identify a number of potentially fruitful lines of inquiry for future investigators of MST and MI.
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Affiliation(s)
- Helen O'Shea
- School of Psychology, University College Dublin Dublin, Ireland
| | - Aidan Moran
- School of Psychology, University College Dublin Dublin, Ireland
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