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Fujiwara K, Shibata M, Awano Y, Iso N, Shibayama K, Higashi T. Differences in Cortical Area Activity and Motor Imagery Vivid-Ness during Evaluation of Motor Imagery Tasks in Right and Left Hemiplegics. Brain Sci 2023; 13:brainsci13050748. [PMID: 37239220 DOI: 10.3390/brainsci13050748] [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: 04/01/2023] [Revised: 04/18/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
The ability to develop vivid motor imagery (MI) is important for effective mental practice. Therefore, we aimed to determine differences in the MI clarity and cortical area activity between patients with right hemiplegia and left hemiplegia after stroke in an MI task. In total, 11 participants with right hemiplegia and 14 with left hemiplegia were categorized into two groups. The MI task required the flexion and extension of the finger on the paralyzed side. Considering that MI vividness changes with MI practice, we measured the MI vividness and cortical area activity during the task before and after MI practice. MI vividness was evaluated subjectively using the visual analog scale, and cerebral hemodynamics during the task were measured using near-infrared spectroscopy in cortical regions during the MI task. The MI sharpness and cortical area activity in the MI task were significantly lower in the right hemiplegia group than in the left hemiplegia group. Therefore, when practicing mental practices with right hemiplegia, it is necessary to devise ways by which to increase MI vividness.
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Affiliation(s)
- Kengo Fujiwara
- Medical Corporation Zeshinkai Nagasaki Rehabilitation Hospital, Nagasaki 850-0854, Japan
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8520, Japan
| | - Masatomo Shibata
- Medical Corporation Zeshinkai Nagasaki Rehabilitation Hospital, Nagasaki 850-0854, Japan
| | - Yoshinaga Awano
- School Corporation Tamaki Gakuen Nagasaki College of Medical Technology, Nagasaki 850-0822, Japan
| | - Naoki Iso
- Faculty of Health Sciences, Tokyo Kasei University, Saitama 350-1398, Japan
| | - Koji Shibayama
- Medical Corporation Zeshinkai Nagasaki Rehabilitation Hospital, Nagasaki 850-0854, Japan
| | - Toshio Higashi
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8520, Japan
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Fujiwara K, Shimoda R, Shibata M, Awano Y, Shibayama K, Higashi T. A Method for Using Video Presentation to Increase Cortical Region Activity during Motor Imagery Tasks in Stroke Patients. Brain Sci 2022; 13:brainsci13010029. [PMID: 36672012 PMCID: PMC9855988 DOI: 10.3390/brainsci13010029] [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: 11/13/2022] [Revised: 12/17/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
Previous studies have reported that stroke patients have difficulty recalling the motor imagery (MI) of a task, also known as MI vividness. Research on combining MI with action observation is gaining importance as a method to improve MI vividness. We enrolled 10 right-handed stroke patients and compared MI vividness and cortical activity under different presentation methods (no inverted image, inverted image of another individual’s hand, and an inverted image of the patient’s nonparalyzed hand) using near-infrared spectroscopy. Images of the nonparalyzed upper limb were inverted to make the paralyzed upper limb appear as if it were moving. Three tasks (non inverted image, AO + MI (other hand), AO + MI (own hand)) were randomly performed on 10 stroke patients. MI vividness was significantly higher when the inverted image of the nonparalyzed upper limb was presented compared to the other conditions (p < 0.01). The activity of the cortical regions was also significantly enhanced (p < 0.01). Our study highlights the potential application of inverted images of a stroke patient’s own nonparalyzed hand in mental practice to promote the motor recovery of stroke patients. This technique achieved higher levels of MI vividness and cortical activity when performing motor tasks.
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Affiliation(s)
- Kengo Fujiwara
- Medical Corporation Zeshinkai Nagasaki Rehabilitation Hospital, Ginya, Nagasaki 850-0854, Japan
- Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto, Nagasaki 852-8520, Japan
- Correspondence: ; Tel.: +81-958-819-7994
| | - Rikako Shimoda
- Medical Corporation Zeshinkai Home Rehabilitation Center Ginya, Ginya, Nagasaki 850-0854, Japan
| | - Masatomo Shibata
- Medical Corporation Zeshinkai Nagasaki Rehabilitation Hospital, Ginya, Nagasaki 850-0854, Japan
| | - Yoshinaga Awano
- Medical Corporation Zeshinkai Nagasaki Rehabilitation Hospital, Ginya, Nagasaki 850-0854, Japan
| | - Koji Shibayama
- Medical Corporation Zeshinkai Nagasaki Rehabilitation Hospital, Ginya, Nagasaki 850-0854, Japan
| | - Toshio Higashi
- Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto, Nagasaki 852-8520, Japan
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Fujiwara K, Shibata M, Awano Y, Shibayama K, Iso N, Matsuo M, Nakashima A, Moriuchi T, Mitsunaga W, Higashi T. A method for using video presentation to increase the vividness and activity of cortical regions during motor imagery tasks. Neural Regen Res 2021; 16:2431-2437. [PMID: 33907031 PMCID: PMC8374587 DOI: 10.4103/1673-5374.313058] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/29/2020] [Accepted: 10/15/2020] [Indexed: 11/07/2022] Open
Abstract
In recent years, mental practice (MP) using laterally inverted video of a subject's non-paralyzed upper limb to improve the vividness of presented motor imagery (MI) has been shown to be effective for improving the function of a paralyzed upper limb. However, no studies have yet assessed the activity of cortical regions engaged during MI task performance using inverse video presentations and neurophysiological indicators. This study sought to investigate changes in MI vividness and hemodynamic changes in the cerebral cortex during MI performance under the following three conditions in near-infrared spectroscopy: MI-only without inverse video presentation (MI-only), MI with action observation (AO) of an inverse video presentation of another person's hand (AO + MI (other hand)), and MI with AO of an inverse video presentation of a participant's own hand (AO + MI (own hand)). Participants included 66 healthy right-handed adults (41 men and 25 women; mean age: 26.3 ± 4.3 years). There were 23 patients in the MI-only group (mean age: 26.4 ± 4.1 years), 20 in the AO + MI (other hand) group (mean age: 25.9 ± 5.0 years), and 23 in the AO + MI (own hand) group (mean age: 26.9 ± 4.1 years). The MI task involved transferring 1 cm × 1 cm blocks from one plate to another, once per second, using chopsticks held in the non-dominant hand. Based on a visual analog scale (VAS), MI vividness was significantly higher in the AO + MI (own hand) group than in the MI-only group and the AO + MI (other hand) group. A main effect of condition was revealed in terms of MI vividness, as well as regions of interest (ROIs) in certain brain areas associated with motor processing. The data suggest that inverse video presentation of a person's own hand enhances the MI vividness and increases the activity of motor-related cortical areas during MI. This study was approved by the Institutional Ethics Committee of Nagasaki University Graduate School of Biomedical and Health Sciences (approval No. 18121303) on January 18, 2019.
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Affiliation(s)
- Kengo Fujiwara
- Department of Clinical Services, Nagasaki Rehabilitation Hospital, Nagasaki, Japan
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Masatomo Shibata
- Department of Clinical Services, Nagasaki Rehabilitation Hospital, Nagasaki, Japan
| | - Yoshinaga Awano
- Department of Clinical Services, Nagasaki Rehabilitation Hospital, Nagasaki, Japan
| | - Koji Shibayama
- Department of Clinical Services, Nagasaki Rehabilitation Hospital, Nagasaki, Japan
| | - Naoki Iso
- Department of Rehabilitation, Faculty of Health Sciences, Tokyo Kasei University, Tokyo, Japan
| | - Moemi Matsuo
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Akira Nakashima
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Takefumi Moriuchi
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Wataru Mitsunaga
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Toshio Higashi
- Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
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Dans PW, Foglia SD, Nelson AJ. Data Processing in Functional Near-Infrared Spectroscopy (fNIRS) Motor Control Research. Brain Sci 2021; 11:606. [PMID: 34065136 PMCID: PMC8151801 DOI: 10.3390/brainsci11050606] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/05/2021] [Accepted: 05/07/2021] [Indexed: 12/26/2022] Open
Abstract
FNIRS pre-processing and processing methodologies are very important-how a researcher chooses to process their data can change the outcome of an experiment. The purpose of this review is to provide a guide on fNIRS pre-processing and processing techniques pertinent to the field of human motor control research. One hundred and twenty-three articles were selected from the motor control field and were examined on the basis of their fNIRS pre-processing and processing methodologies. Information was gathered about the most frequently used techniques in the field, which included frequency cutoff filters, wavelet filters, smoothing filters, and the general linear model (GLM). We discuss the methodologies of and considerations for these frequently used techniques, as well as those for some alternative techniques. Additionally, general considerations for processing are discussed.
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Affiliation(s)
- Patrick W. Dans
- Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada;
| | - Stevie D. Foglia
- School of Biomedical Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada;
| | - Aimee J. Nelson
- Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada;
- School of Biomedical Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada;
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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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Tinga AM, Clim MA, de Back TT, Louwerse MM. Measures of prefrontal functional near-infrared spectroscopy in visuomotor learning. Exp Brain Res 2021; 239:1061-1072. [PMID: 33528598 PMCID: PMC8068645 DOI: 10.1007/s00221-021-06039-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 01/11/2021] [Indexed: 11/25/2022]
Abstract
Functional near-infrared spectroscopy (fNIRS) is a promising technique for non-invasively assessing cortical brain activity during learning. This technique is safe, portable, and, compared to other imaging techniques, relatively robust to head motion, ocular and muscular artifacts and environmental noise. Moreover, the spatial resolution of fNIRS is superior to electroencephalography (EEG), a more commonly applied technique for measuring brain activity non-invasively during learning. Outcomes from fNIRS measures during learning might therefore be both sensitive to learning and to feedback on learning, in a different way than EEG. However, few studies have examined fNIRS outcomes in learning and no study to date additionally examined the effects of feedback. To address this apparent gap in the literature, the current study examined prefrontal cortex activity measured through fNIRS during visuomotor learning and how this measure is affected by task feedback. Activity in the prefrontal cortex decreased over the course of learning while being unaffected by task feedback. The findings demonstrate that fNIRS in the prefrontal cortex is valuable for assessing visuomotor learning and that this measure is robust to task feedback. The current study highlights the potential of fNIRS in assessing learning even under different task feedback conditions.
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Affiliation(s)
- Angelica M Tinga
- Department of Cognitive Science and Artificial Intelligence, Tilburg University, Dante Building, Room D 330, Warandelaan 2, 5037 AB, Tilburg, The Netherlands.
| | - Maria-Alena Clim
- Department of Cognitive Science and Artificial Intelligence, Tilburg University, Dante Building, Room D 330, Warandelaan 2, 5037 AB, Tilburg, The Netherlands
| | - Tycho T de Back
- Department of Cognitive Science and Artificial Intelligence, Tilburg University, Dante Building, Room D 330, Warandelaan 2, 5037 AB, Tilburg, The Netherlands
| | - Max M Louwerse
- Department of Cognitive Science and Artificial Intelligence, Tilburg University, Dante Building, Room D 330, Warandelaan 2, 5037 AB, Tilburg, The Netherlands
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7
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Matsuo M, Iso N, Fujiwara K, Moriuchi T, Matsuda D, Mitsunaga W, Nakashima A, Higashi T. Comparison of cerebral activation between motor execution and motor imagery of self-feeding activity. Neural Regen Res 2021; 16:778-782. [PMID: 33063742 PMCID: PMC8067926 DOI: 10.4103/1673-5374.295333] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Motor imagery is defined as an act wherein an individual contemplates a mental action of motor execution without apparent action. Mental practice executed by repetitive motor imagery can improve motor performance without simultaneous sensory input or overt output. We aimed to investigate cerebral hemodynamics during motor imagery and motor execution of a self-feeding activity using chopsticks. This study included 21 healthy right-handed volunteers. The self-feeding activity task comprised either motor imagery or motor execution of eating sliced cucumber pickles with chopsticks to examine eight regions of interest: pre-supplementary motor area, supplementary motor area, bilateral prefrontal cortex, premotor area, and sensorimotor cortex. The mean oxyhemoglobin levels were detected using near-infrared spectroscopy to reflect cerebral activation. The mean oxyhemoglobin levels during motor execution were significantly higher in the left sensorimotor cortex than in the supplementary motor area and the left premotor area. Moreover, significantly higher oxyhemoglobin levels were detected in the supplementary motor area and the left premotor area during motor imagery, compared to motor execution. Supplementary motor area and premotor area had important roles in the motor imagery of self-feeding activity. Moreover, the activation levels of the supplementary motor area and the premotor area during motor execution and motor imagery are likely affected by intentional cognitive processes. Levels of cerebral activation differed in some areas during motor execution and motor imagery of a self-feeding activity. This study was approved by the Ethical Review Committee of Nagasaki University (approval No. 18110801) on December 10, 2018.
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Affiliation(s)
- Moemi Matsuo
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences; Center for Child Mental Health Care and Education, Nagasaki University, Nagasaki, Japan
| | - Naoki Iso
- Department of Rehabilitation, Faculty of Health Sciences, Tokyo Kasei University, Saitama, Japan
| | - Kengo Fujiwara
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences; Zeshinkai General Incorporated Association, Nagasaki Rehabilitation Hospital, Nagasaki, Japan
| | - Takefumi Moriuchi
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Daiki Matsuda
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences; The Japanese Red Cross, Nagasaki Genbaku Hospital, Nagasaki, Japan
| | - Wataru Mitsunaga
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences; Unit of Rehabilitation, Nagasaki University Hospital, Nagasaki, Japan
| | - Akira Nakashima
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Toshio Higashi
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Sagari A, Kanao H, Mutai H, Iwanami J, Sato M, Kobayashi M. Cerebral Hemodynamics During a Cognitive-Motor Task Using the Limbs. Front Hum Neurosci 2020; 14:568030. [PMID: 33240062 PMCID: PMC7683383 DOI: 10.3389/fnhum.2020.568030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 08/24/2020] [Indexed: 11/13/2022] Open
Abstract
Background: Antagonistic tasks are cognitive-motor task trainings. Intervention programs involving antagonistic exercise tasks are being employed to help prevent falls and reduce the need for nursing care in older populations. Meanwhile, the effects of such tasks on blood flow in the brain remain obscure. This study aimed to clarify the effects of antagonistic tasks on prefrontal cortical cerebral hemodynamics. Materials and Methods: We assessed 13 healthy adults (two men, 11 women; mean age, 21.4 ± 1.0 years). Participants imitated each of the antagonistic tasks presented on a PC monitor placed at a 120-mm viewing distance. All participants performed six tasks, consisting of upper-limb tasks (non-antagonism, simple antagonism, and complex antagonism) and upper- and lower-limb tasks (tasks combining lower-limb opening and closing movements with each upper-limb task). We used near-infrared spectroscopy (NIRS) to measure cerebral blood flow dynamics, with oxygenated hemoglobin (Oxy-Hb) concentration changes as the main outcome. A 10-channel probe was placed on the participants’ forehead, focusing on the prefrontal cortex. We first obtained a baseline NIRS measurement for 10 s; the participants then imitated the task presented on the PC monitor for 90 s. We measured the number of errors and the subjective difficulty of each task. Results: The increase in prefrontal cortex Oxy-Hb concentration was significantly higher in the complex antagonist conditions than in the non-antagonistic and simple antagonistic conditions. There were no significant prefrontal cortex Oxy-Hb differences between the upper limb and upper- and lower-limb conditions (increasing number of motor limbs). Conclusions: The study findings support that an increase in finger-shaped complexity has a greater effect on cerebral blood flow dynamics in the prefrontal cortex than does an increase in the number of motor limbs involved in the task.
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Affiliation(s)
- Akira Sagari
- Division of Occupational Therapy School of Health Science, Faculty of Medicine, Shinshu University, Matsumoto, Japan
| | - Hiroyo Kanao
- Rehabilitation Division, Kami-iida Rehabilitation Hospital, Nagoya, Japan
| | - Hitoshi Mutai
- Division of Occupational Therapy School of Health Science, Faculty of Medicine, Shinshu University, Matsumoto, Japan
| | - Jun Iwanami
- Division of Occupational Therapy School of Health Science, Faculty of Medicine, Shinshu University, Matsumoto, Japan
| | - Masaaki Sato
- Division of Occupational Therapy School of Health Science, Faculty of Medicine, Shinshu University, Matsumoto, Japan
| | - Masayoshi Kobayashi
- Division of Occupational Therapy School of Health Science, Faculty of Medicine, Shinshu University, Matsumoto, Japan
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9
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Roles of the prefrontal cortex in learning to time the onset of pre-existing motor programs. PLoS One 2020; 15:e0241562. [PMID: 33166309 PMCID: PMC7652266 DOI: 10.1371/journal.pone.0241562] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 10/19/2020] [Indexed: 11/19/2022] Open
Abstract
The prefrontal cortex (PFC) is involved in cognitive control of motor activities and timing of future intensions. This study investigated the cognitive control of balance recovery in response to unpredictable gait perturbations and the role of PFC subregions in learning by repetition. Bilateral dorsolateral (DLPFC), ventrolateral (VLPFC), frontopolar (FPFC) and orbitofrontal (OFC) cortex hemodynamic changes induced by unpredictable slips were analyzed as a function of successive trials in ten healthy young adults. Slips were induced by the acceleration of one belt as the participant walked on a split-belt treadmill. A portable functional near-infrared spectroscope monitored PFC activities quantified by oxyhemoglobin (ΔO2Hb) and deoxyhemoglobin (ΔHbR) during the consecutive trial phases: standing, walking, slip-recovery. During the first 3 trials, the average oxyhemoglobin (ΔO2Hbavg) in the DLPFC, VLPFC, FPFC, and OFC cortex was significantly higher during slip-recovery than unperturbed walking or the standing baseline. Then, ΔO2Hbavg decreased progressively from trial-to-trial in the DLPFC, VLPFC, and FPFC, but increased and then remained constant in the OFC. The average deoxyhemoglobin (ΔHbRavg) presented mirror patterns. These changes after the third trial were paralleled by the progressive improvement of recovery revealed by kinematic variables. The results corroborate our previous hypothesis that only timing of the onset of a “good enough recovery motor program” is learned with practice. They also strongly support the assumption that the PFC contributes to the recall of pre-existing motor programs whose onset timing is adjusted by the OFC. Hence, learning is clearly divided into two steps delineated by the switch in activity of the OFC. Additionally, motor processes appear to share the working memory as well as decisional and predictive resources of the cognitive system.
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10
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Matsuo M, Iso N, Fujiwara K, Moriuchi T, Tanaka G, Honda S, Matsuda D, Higashi T. Cerebral haemodynamics during motor imagery of self-feeding with chopsticks: differences between dominant and non-dominant hand. Somatosens Mot Res 2019; 37:6-13. [PMID: 31813314 DOI: 10.1080/08990220.2019.1699044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Purpose: Motor imagery is defined as a dynamic state during which a subject mentally simulates a given action without overt movements. Our aim was to use near-infrared spectroscopy to investigate differences in cerebral haemodynamics during motor imagery of self-feeding with chopsticks using the dominant or non-dominant hand.Materials and methods: Twenty healthy right-handed people participated in this study. The motor imagery task involved eating sliced cucumber pickles using chopsticks with the dominant (right) or non-dominant (left) hand. Activation of regions of interest (pre-supplementary motor area, supplementary motor area, pre-motor area, pre-frontal cortex, and sensorimotor cortex was assessed.Results: Motor imagery vividness of the dominant hand tended to be significantly higher than that of the non-dominant hand. The time of peak oxygenated haemoglobin was significantly earlier in the right pre-frontal cortex than in the supplementary motor area and left pre-motor area. Haemodynamic correlations were detected in more regions of interest during dominant-hand motor imagery than during non-dominant-hand motor imagery.Conclusions: Haemodynamics might be affected by differences in motor imagery vividness caused by variations in motor manipulation.
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Affiliation(s)
- Moemi Matsuo
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Center for Child Mental Health Care and Education, Nagasaki University, Nagasaki, Japan
| | - Naoki Iso
- Tokyo Kasei University, Saitama, Japan
| | - Kengo Fujiwara
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,Zeshinkai General Incorporated Association, Nagasaki Rehabilitation Hospital, Ginyamachi, Nagasaki, Japan
| | - Takefumi Moriuchi
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Goro Tanaka
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Sumihisa Honda
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Daiki Matsuda
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.,The Japanese Red Cross, Nagasaki Genbaku Hospital, Nagasaki, Japan
| | - Toshio Higashi
- Unit of Medical Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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11
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Mapping the neuroanatomy of functional decline in Alzheimer’s disease from basic to advanced activities of daily living. J Neurol 2019; 266:1310-1322. [DOI: 10.1007/s00415-019-09260-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 01/15/2019] [Accepted: 02/26/2019] [Indexed: 11/27/2022]
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12
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Wriessnegger SC, Kirchmeyr D, Bauernfeind G, Müller-Putz GR. Force related hemodynamic responses during execution and imagery of a hand grip task: A functional near infrared spectroscopy study. Brain Cogn 2017; 117:108-116. [PMID: 28673464 DOI: 10.1016/j.bandc.2017.06.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 06/22/2017] [Accepted: 06/25/2017] [Indexed: 12/14/2022]
Abstract
We examined force related hemodynamic changes during the performance of a motor execution (ME) and motor imagery (MI) task by means of multichannel functional near infrared spectroscopy (fNIRS). The hemodynamic responses of fourteen healthy participants were measured while they performed a hand grip execution or imagery task with low and high grip forces. We found an overall higher increase of [oxy-Hb] concentration changes during ME for both grip forces but with a delayed peak maximum for the lower grip force. During the MI task with lower grip force, the [oxy-Hb] level increases are stronger compared to the MI with higher grip force. The facilitation in performing MI with higher grip strength might thus indicate less inhibition of the actual motor act which could also explain the later increase onset of [oxy-Hb] in the ME task with the lower grip force. Our results suggest that execution and imagery of a hand grip task with high and low grip forces, leads to different cortical activation patterns. Since impaired control of grip forces during object manipulation in particular is one aspect of fine motor control deficits after stroke, our study will contribute to future rehabilitation programs enhancing patient's grip force control.
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Affiliation(s)
- Selina C Wriessnegger
- Institute of Neural Engineering, Graz University of Technology, Stremayrgasse 16/IV, 8010 Graz, Austria.
| | - Daniela Kirchmeyr
- Institute of Neural Engineering, Graz University of Technology, Stremayrgasse 16/IV, 8010 Graz, Austria
| | - Günther Bauernfeind
- Department of Otolaryngology, Hannover Medical School, Carl Neuberg Str. 1, 30625 Hannover, Germany; Cluster of Excellence "Hearing4all", Hannover, Germany
| | - Gernot R Müller-Putz
- Institute of Neural Engineering, Graz University of Technology, Stremayrgasse 16/IV, 8010 Graz, Austria
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Iso N, Moriuchi T, Sagari A, Kitajima E, Iso F, Tanaka K, Kikuchi Y, Tabira T, Higashi T. Monitoring Local Regional Hemodynamic Signal Changes during Motor Execution and Motor Imagery Using Near-Infrared Spectroscopy. Front Physiol 2016; 6:416. [PMID: 26793118 PMCID: PMC4707267 DOI: 10.3389/fphys.2015.00416] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Accepted: 12/18/2015] [Indexed: 12/04/2022] Open
Abstract
The aim of this study was to clarify the topographical localization of motor-related regional hemodynamic signal changes during motor execution (ME) and motor imagery (MI) by using near-infrared spectroscopy (NIRS), as this technique is more clinically expedient than established methods (e.g., fMRI). Twenty right-handed healthy subjects participated in this study. The experimental protocol was a blocked design consisting of 3 cycles of 20 s of task performance and 30 s of rest. The tapping sequence task was performed with their fingers under 4 conditions: ME and MI with the right or left hand. Hemodynamic brain activity was measured with NIRS to monitor changes in oxygenated hemoglobin (oxy-Hb) concentration. Oxy-Hb in the somatosensory motor cortex (SMC) increased significantly only during contralateral ME and showed a significant interaction between task and hand. There was a main effect of hand in the left SMC. Although there were no significant main effects or interactions in the supplemental motor area (SMA) and premotor area (PMA), oxy-Hb increased substantially under all conditions. These results clarified the topographical localization by motor-related regional hemodynamic signal changes during ME and MI by using NIRS.
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Affiliation(s)
- Naoki Iso
- Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical SciencesNagasaki, Japan; Medical Corporation Toujinkai Miharadai HospitalNagasaki, Japan
| | - Takefumi Moriuchi
- Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical SciencesNagasaki, Japan; Medical Corporation Toujinkai Miharadai HospitalNagasaki, Japan
| | - Akira Sagari
- Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical SciencesNagasaki, Japan; Japanese Red Cross Society Nagasaki Genbaku HospitalNagasaki, Japan
| | - Eiji Kitajima
- Center for Industry, University and Government Cooperation, Nagasaki University Nagasaki, Japan
| | - Fumiko Iso
- Unit of Physical and Occupational Therapy, Nagasaki University Graduate School of Biomedical Sciences Nagasaki, Japan
| | - Koji Tanaka
- Unit of Physical and Occupational Therapy, Nagasaki University Graduate School of Biomedical Sciences Nagasaki, Japan
| | - Yasuki Kikuchi
- Unit of Physical and Occupational Therapy, Nagasaki University Graduate School of Biomedical Sciences Nagasaki, Japan
| | - Takayuki Tabira
- Department of Occupational Therapy, Faculty of Rehabilitation Sciences, Nishikyushu University Saga, Japan
| | - Toshio Higashi
- Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences Nagasaki, Japan
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