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Mateo S, Guillot A, Henkous S, Gelis A, Daligault S, Rode G, Collet C, Di Rienzo F. Implicit and explicit motor imagery ability after SCI: Moving the elbow makes the difference. Brain Res 2024; 1836:148911. [PMID: 38604558 DOI: 10.1016/j.brainres.2024.148911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 03/23/2024] [Accepted: 04/01/2024] [Indexed: 04/13/2024]
Abstract
Cervical spinal cord injury (SCI) causes dramatic sensorimotor deficits that restrict both activity and participation. Restoring activity and participation requires extensive upper limb rehabilitation focusing elbow and wrist movements, which can include motor imagery. Yet, it remains unclear whether MI ability is impaired or spared after SCI. We investigated implicit and explicit MI ability in individuals with C6 or C7 SCI (SCIC6 and SCIC7 groups), as well as in age- and gender-matched controls without SCI. Inspired by previous studies, implicit MI evaluations involved hand laterality judgments, hand orientation judgments (HOJT) and hand-object interaction judgments. Explicit MI evaluations involved mental chronometry assessments of physically possible or impossible movements due to the paralysis of upper limb muscles in both groups of participants with SCI. HOJT was the paradigm in which implicit MI ability profiles differed the most between groups, particularly in the SCIC6 group who had impaired elbow movements in the horizontal plane. MI ability profiles were similar between groups for explicit MI evaluations, but reflected task familiarity with higher durations in the case of unfamiliar movements in controls or attempt to perform movements which were no longer possible in persons with SCI. Present results, obtained from a homogeneous population of individuals with SCI, suggest that people with long-term SCI rely on embodied cognitive motor strategies, similar to controls. Differences found in behavioral response pattern during implicit MI mirrored the actual motor deficit, particularly during tasks that involved internal representations of affected body parts.
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Affiliation(s)
- Sébastien Mateo
- Universite Lyon, UCBL-Lyon 1, INSERM U1028, CNRS UMR5292, Lyon Neuroscience Research Center, Trajectoires Team, Centre Hospitalier Le Vinatier, Bâtiment 452, 95 Boulevard Pinel, F-69675 Bron, Auvergne-Rhône-Alpes, France; Lyon Neuroscience Research Center, Trajectoires Team, Centre Hospitalier Le Vinatier, Bâtiment 452, 95 Boulevard Pinel, F-69675 Bron, Auvergne-Rhône-Alpes, France
| | - Aymeric Guillot
- Hospices Civils de Lyon, Hôpital Henry Gabrielle, Plate-forme Mouvement et Handicap, 20 route de Vourles, F-69230, Saint Genis Laval, Auvergne-Rhône-Alpes, France
| | - Sonia Henkous
- Hospices Civils de Lyon, Hôpital Henry Gabrielle, Plate-forme Mouvement et Handicap, 20 route de Vourles, F-69230, Saint Genis Laval, Auvergne-Rhône-Alpes, France
| | - Anthony Gelis
- Universite Lyon, UCBL-Lyon 1, Laboratoire Interuniversitaire de Biologie de la Motricité, UR 7424, 27-29 Boulevard du 11 Novembre 1918, F-69622 Villeurbanne, Auvergne-Rhône-Alpes, France
| | - Sébastien Daligault
- Centre Mutualiste Neurologique Propara, 263 rue du Caducée, F-34090, Montpellier, Occitanie, France; CERMEP, Imagerie du Vivant, 95 Boulevard Pinel, F-69677 Bron, Auvergne-Rhône-Alpes, France
| | - Gilles Rode
- Universite Lyon, UCBL-Lyon 1, INSERM U1028, CNRS UMR5292, Lyon Neuroscience Research Center, Trajectoires Team, Centre Hospitalier Le Vinatier, Bâtiment 452, 95 Boulevard Pinel, F-69675 Bron, Auvergne-Rhône-Alpes, France; Lyon Neuroscience Research Center, Trajectoires Team, Centre Hospitalier Le Vinatier, Bâtiment 452, 95 Boulevard Pinel, F-69675 Bron, Auvergne-Rhône-Alpes, France
| | - Christian Collet
- Hospices Civils de Lyon, Hôpital Henry Gabrielle, Plate-forme Mouvement et Handicap, 20 route de Vourles, F-69230, Saint Genis Laval, Auvergne-Rhône-Alpes, France
| | - Franck Di Rienzo
- Hospices Civils de Lyon, Hôpital Henry Gabrielle, Plate-forme Mouvement et Handicap, 20 route de Vourles, F-69230, Saint Genis Laval, Auvergne-Rhône-Alpes, France.
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Wang L, Chen X, Zheng W, Yang Y, Yang B, Chen Q, Li X, Liang T, Li B, Hu Y, Du J, Lu J, Chen N. The possible neural mechanism of neuropathic pain evoked by motor imagery in pediatric patients with complete spinal cord injury: A preliminary brain structure study based on VBM. Heliyon 2024; 10:e24569. [PMID: 38312693 PMCID: PMC10835172 DOI: 10.1016/j.heliyon.2024.e24569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/26/2023] [Accepted: 01/10/2024] [Indexed: 02/06/2024] Open
Abstract
In this study, we observed pediatric complete spinal cord injury (CSCI) patients receiving MI training and divided them into different groups according to the effect of motor imagery (MI) training on neuropathic pain (NP). Then, we retrospectively analysed the differences in brain structure of these groups before the MI training, identifying brain regions that may predict the effect of MI on NP. Thirty pediatric CSCI patients were included, including 12 patients who experienced NP during MI and 18 patients who did not experience NP during MI according to the MI training follow-up. The 3D high-resolution T1-weighted images of all subjects were obtained using a 3.0 T MRI system before MI training. A two-sample t-test was performed to evaluate the differences in gray matter volume (GMV) between patients who experienced NP and those who did not experience NP during MI. Receiver operating characteristic (ROC) analysis was performed to compute the sensitivity and specificity of the imaging biomarkers for the effect of MI on NP in pediatric CSCI patients. MI evoked NP in some of the pediatric CSCI patients. Compared with patients who did not experience NP, patients who experienced NP during MI showed larger GMV in the right primary sensorimotor cortex (PSMC) and insula. When using the GMV of the right PSMC and insula in combination as a predictor, the area under the curve (AUC) reached 0.824. Our study demonstrated that MI could evoke NP in some pediatric CSCI patients, but not in others. The individual differences in brain reorganization of the right PSMC and insula may contribute to the different effects of MI on NP. Moreover, the GMV of the right PSMC and insula in combination may be an effective indicator for screening pediatric CSCI patients before MI training therapy.
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Affiliation(s)
- Ling Wang
- Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, 100053, China
| | - Xin Chen
- Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, 100053, China
| | - Weimin Zheng
- Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, 100053, China
| | - Yanhui Yang
- Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, 100053, China
| | - Beining Yang
- Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, 100053, China
| | - Qian Chen
- Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Xuejing Li
- Department of Radiology, China Rehabilitation Research Center, Beijing, 100068, China
| | - Tengfei Liang
- Department of Medical Imaging, Affiliated Hospital of Hebei Engineering University, Handan, 056008, China
| | - Baowei Li
- Department of Medical Imaging, Affiliated Hospital of Hebei Engineering University, Handan, 056008, China
| | - Yongsheng Hu
- Department of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Jubao Du
- Department of Rehabilitation Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Jie Lu
- Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, 100053, China
| | - Nan Chen
- Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, 100053, China
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Lee S, Kim H, Kim JB, Kim DJ. Effects of altered functional connectivity on motor imagery brain-computer interfaces based on the laterality of paralysis in hemiplegia patients. Comput Biol Med 2023; 166:107435. [PMID: 37741227 DOI: 10.1016/j.compbiomed.2023.107435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 08/22/2023] [Accepted: 08/28/2023] [Indexed: 09/25/2023]
Abstract
Motor imagery (MI)-based brain-computer interfaces are widely employed for improving the rehabilitation of paralyzed people and their quality of life. It has been well documented that brain activity patterns in the primary motor cortex and sensorimotor cortex during MI are similar to those of motor execution/imagery. However, individuals paralyzed owing to various neurological disorders have debilitated activation of the motor control region. Therefore, the differences in brain activation based on the paralysis location should be considered. We analyzed brain activation patterns using the electroencephalogram (EEG) acquired while performing MI on the right upper limb to investigate hemiplegia-related brain activation patterns. Participants with hemiplegia of the right upper limb (n=7) and left upper limb (n=4) performed the MI task within the right upper limb. EEG signals were acquired using 14 channels based on a 10-20 global system, and analyzed for event-related desynchronization (ERD) based on event-related spectral perturbation and functional connectivity, using the weighted phase-lag index of both hemispheres at the location of hemiplegia. Enhanced ERD was found in the ipsilateral region, compared to the contralateral region, after MI of the affected limb. The reduced difference in the centrality of the channels was observed in all subjects, likely reflecting an altered brain network from increased interhemispheric connections. Furthermore, the tendency of distinct network-based features depending on the MI task on the affected limb was diluted between the inter-hemispheres. Analysis of interaction between inter-region using functional connectivity could provide avenues for further investigation of BCI strategy through the brain state of individuals with hemiplegia.
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Affiliation(s)
- Seho Lee
- Department of Brain and Cognitive Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - Hakseung Kim
- Department of Brain and Cognitive Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - Jung Bin Kim
- Department of Neurology, Korea University College of Medicine, 73, Goryeodae-ro, Seongbuk-gu, Seoul, 02841, South Korea
| | - Dong-Joo Kim
- Department of Brain and Cognitive Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, South Korea; Department of Neurology, Korea University College of Medicine, 73, Goryeodae-ro, Seongbuk-gu, Seoul, 02841, South Korea; Department of Artificial Intelligence, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, South Korea.
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Wieland B, Behringer M, Zentgraf K. Effects of motor imagery training on skeletal muscle contractile properties in sports science students. PeerJ 2022; 10:e14412. [PMID: 36447512 PMCID: PMC9701499 DOI: 10.7717/peerj.14412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/27/2022] [Indexed: 11/25/2022] Open
Abstract
Background Studies on motor imagery (MI) practice based on different designs and training protocols have reported changes in maximal voluntary contraction (MVC) strength. However, to date, there is a lack of information on the effects of MI training on contractile properties of the trained muscle. Methods Forty-five physically active sport science students (21 female) were investigated who trained three times per week over a 4-week period in one of three groups: An MI group conducted MI practice of maximal isometric contraction of the biceps brachii; a physical exercise (PE) group physically practiced maximal isometric contractions of the biceps brachii in a biceps curling machine; and a visual imagery (VI) group performed VI training of a landscape. A MVC test of the arm flexors was performed in a biceps curling machine before and after 4 weeks of training. The muscular properties of the biceps brachii were also tested with tensiomyography measurements (TMG). Results Results showed an interaction effect between time and group for MVC (p = 0.027, η 2 = 0.17), with a higher MVC value in the PE group (Δ5.9%) compared to the VI group (Δ -1.3%) (p = 0.013). MVC did not change significantly in the MI group (Δ2.1%). Analysis of muscle contractility via TMG did not show any interaction effects neither for maximal radial displacement (p = 0.394, η 2 = 0.05), delay time (p = 0.79, η 2 = 0.01) nor contraction velocity (p = 0.71, η 2 = 0.02). Conclusion In spite of MVC-related changes in the PE group due to the interventions, TMG measurements were not sensitive enough to detect concomitant neuronal changes related to contractile properties.
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Affiliation(s)
- Björn Wieland
- Goethe University Frankfurt, Department of Sports Sciences, Movement and Exercise Science in Sports Unit, Germany
| | - Michael Behringer
- Goethe University Frankfurt, Department of Sports Sciences, Sports Medicine and Exercise Physiology Unit, Germany
| | - Karen Zentgraf
- Goethe University Frankfurt, Department of Sports Sciences, Movement and Exercise Science in Sports Unit, Germany
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