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Kiloatar H, Aydogdu Delibay A, Gokpinar HH. The effect of motor imagery and action observation on autonomic functions in patients with chronic stroke. Top Stroke Rehabil 2024; 31:713-722. [PMID: 38423801 DOI: 10.1080/10749357.2024.2322884] [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: 06/02/2023] [Accepted: 02/10/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVES This study aimed to investigate the effects of motor imagery (MI), action observation (AO), and action execution (AE) interventions on the autonomic nervous system (ANS) in individuals with chronic stroke. METHODS This was a single-center, randomized, case-control study. Thirty-six patients were randomly assigned to MI (n = 10), AO (n = 15), and the AE group (n = 11). Heart rate (HR)-based measurements (HR, heart rate variability (HRV)) and blood pressure were evaluated before the practice of each group. In the MI group, participants were instructed to imagine themselves walking at their own comfortable pace for 5 minutes. Meanwhile, in the AO group, participants were shown a video of a person walking for 5 minutes. Finally, in the AE group, participants were instructed to actually walk for 5 minutes. Then, all measurements were taken again. RESULTS A statistically significant difference was found in HR and mean RR interval within the AE group (p < 0.05). There was a statistically significant difference in the Root Mean Square of Successive Differences Between Normal Heartbeats (RMSSD) (ms) within the AO group (p < 0.05). There was a significant difference in HR and mean RR intervals (ms) between groups (p < 0.05). According to post-hoc analyses, HR was statistically significantly higher in the AE group compared to the other groups, and the mean RR interval was statistically significantly lower (p < 0.05). CONCLUSIONS In conclusion, in patients with chronic stroke, AE and AO may affect ANS by increasing sympathetic activation. It is recommended for future studies to evaluate whether patients actually engage in imagery during the MI task.
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Affiliation(s)
- Humeyra Kiloatar
- Department of Physiotherapy and Rehabilitation, Faculty of Health Science, Kutahya Health Sciences University, Kutahya, Türkiye
| | - Aylin Aydogdu Delibay
- Department of Physiotherapy and Rehabilitation, Faculty of Health Science, Kutahya Health Sciences University, Kutahya, Türkiye
| | - Hasan Huseyin Gokpinar
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Kutahya Health Sciences University, Kutahya, Türkiye
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Pazzaglia M, Galli G. Action Observation for Neurorehabilitation in Apraxia. Front Neurol 2019; 10:309. [PMID: 31001194 PMCID: PMC6456663 DOI: 10.3389/fneur.2019.00309] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 03/11/2019] [Indexed: 12/21/2022] Open
Abstract
Neurorehabilitation and brain stimulation studies of post-stroke patients suggest that action-observation effects can lead to rapid improvements in the recovery of motor functions and long-term motor cortical reorganization. Apraxia is a clinically important disorder characterized by marked impairment in representing and performing skillful movements [gestures], which limits many daily activities and impedes independent functioning. Recent clinical research has revealed errors of visuo-motor integration in patients with apraxia. This paper presents a rehabilitative perspective focusing on the possibility of action observation as a therapeutic treatment for patients with apraxia. This perspective also outlines impacts on neurorehabilitation and brain repair following the reinforcement of the perceptual-motor coupling. To date, interventions based primarily on action observation in apraxia have not been undertaken.
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Affiliation(s)
- Mariella Pazzaglia
- Department of Psychology, University of Rome "La Sapienza", Rome, Italy.,IRCCS Fondazione Santa Lucia, Rome, Italy
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3
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Abstract
The study of biological point-light displays (PLDs) has fascinated researchers for more than 40 years. However, the mechanisms underlying PLD perception remain unclear, partly due to difficulties with precisely controlling and transforming PLD sequences. Furthermore, little agreement exists regarding how transformations are performed. This article introduces a new free-access program called PLAViMoP (Point-Light Display Visualization and Modification Platform) and presents the algorithms for PLD transformations actually included in the software. PLAViMoP fulfills two objectives. First, it standardizes and makes clear many classical spatial and kinematic transformations described in the PLD literature. Furthermore, given its optimized interface, PLAViMOP makes these transformations easy and fast to achieve. Overall, PLAViMoP could directly help scientists avoid technical difficulties and make possible the use of PLDs for nonacademic applications.
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Lewis JW, Silberman MJ, Donai JJ, Frum CA, Brefczynski-Lewis JA. Hearing and orally mimicking different acoustic-semantic categories of natural sound engage distinct left hemisphere cortical regions. BRAIN AND LANGUAGE 2018; 183:64-78. [PMID: 29966815 PMCID: PMC6461214 DOI: 10.1016/j.bandl.2018.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 03/22/2018] [Accepted: 05/06/2018] [Indexed: 05/10/2023]
Abstract
Oral mimicry is thought to represent an essential process for the neurodevelopment of spoken language systems in infants, the evolution of language in hominins, and a process that could possibly aid recovery in stroke patients. Using functional magnetic resonance imaging (fMRI), we previously reported a divergence of auditory cortical pathways mediating perception of specific categories of natural sounds. However, it remained unclear if or how this fundamental sensory organization by the brain might relate to motor output, such as sound mimicry. Here, using fMRI, we revealed a dissociation of activated brain regions preferential for hearing with the intent to imitate and the oral mimicry of animal action sounds versus animal vocalizations as distinct acoustic-semantic categories. This functional dissociation may reflect components of a rudimentary cortical architecture that links systems for processing acoustic-semantic universals of natural sound with motor-related systems mediating oral mimicry at a category level. The observation of different brain regions involved in different aspects of oral mimicry may inform targeted therapies for rehabilitation of functional abilities after stroke.
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Affiliation(s)
- James W Lewis
- Rockefeller Neurosciences Institute, Department of Physiology, Pharmacology & Neuroscience, West Virginia University, Morgantown, WV 26506, USA.
| | - Magenta J Silberman
- Rockefeller Neurosciences Institute, Department of Physiology, Pharmacology & Neuroscience, West Virginia University, Morgantown, WV 26506, USA
| | - Jeremy J Donai
- Rockefeller Neurosciences Institute, Department of Communication Sciences and Disorders, West Virginia University, Morgantown, WV 26506, USA
| | - Chris A Frum
- Rockefeller Neurosciences Institute, Department of Physiology, Pharmacology & Neuroscience, West Virginia University, Morgantown, WV 26506, USA
| | - Julie A Brefczynski-Lewis
- Rockefeller Neurosciences Institute, Department of Physiology, Pharmacology & Neuroscience, West Virginia University, Morgantown, WV 26506, USA
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Looeiyan N, Kianfar F, Ghasisin L. The introduction of IMITATE-R and its comparison with the IMITATE treatment method in the naming ability of two Persian speaking aphasic patients. Neuropsychol Rehabil 2018; 30:709-730. [PMID: 30001686 DOI: 10.1080/09602011.2018.1496940] [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: 10/28/2022]
Abstract
Mirror neurons that have properties of audio/visual-acuity play a key role in imitation of movement performance. Since speech is a collection of coordinated movements in the producing organs, observing and imitation of speech movements can stimulate these neurons. In addition, observing hand movements trigger some actions related to the verbal cortex in the network of mirror neurons. According to the hypothesis of mirror neurons, new therapeutic approaches, including IMITATE, have been proposed for patients with aphasia. In the present study, using the IMITATE programme, a new therapeutic approach called IMITATE-R was planned based on observation of oral movements, hand gestures, and imitation of oral movements. Afterward, the IMITATE and IMITATE-R methods were compared with each other on naming skills of two Persian people with aphasia. The results showed that the rate of benefit from each treatment in each client was proportional to its individual and linguistic characteristics; however, in both patients, the IMITATE-R method was more effective in improving the naming skill. The results of this study were aimed at confirming the hypothesis of mirror neurons and the use of methods are based on action-observation for the treatment of patients with aphasia.
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Affiliation(s)
- Nooshin Looeiyan
- Department of Speech Therapy, Faculty of Rehabilitation, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Faranak Kianfar
- Communication Disorders Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Leila Ghasisin
- Department of Speech Therapy, Faculty of Rehabilitation, Isfahan University of Medical Sciences, Isfahan, Iran.,Communication Disorders Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Boosting the Motor Outcome of the Untrained Hand by Action Observation: Mirror Visual Feedback, Video Therapy, or Both Combined-What Is More Effective? Neural Plast 2018; 2018:8369262. [PMID: 29849570 PMCID: PMC5914099 DOI: 10.1155/2018/8369262] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 02/11/2018] [Indexed: 11/21/2022] Open
Abstract
Action observation (AO) allows access to a network that processes visuomotor and sensorimotor inputs and is believed to be involved in observational learning of motor skills. We conducted three consecutive experiments to examine the boosting effect of AO on the motor outcome of the untrained hand by either mirror visual feedback (MVF), video therapy (VT), or a combination of both. In the first experiment, healthy participants trained either with MVF or without mirror feedback while in the second experiment, participants either trained with VT or observed animal videos. In the third experiment, participants first observed video clips that were followed by either training with MVF or training without mirror feedback. The outcomes for the untrained hand were quantified by scores from five motor tasks. The results demonstrated that MVF and VT significantly increase the motor performance of the untrained hand by the use of AO. We found that MVF was the most effective approach to increase the performance of the target effector. On the contrary, the combination of MVF and VT turns out to be less effective looking from clinical perspective. The gathered results suggest that action-related motor competence with the untrained hand is acquired by both mirror-based and video-based AO.
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Menezes IS, Cohen LG, Mello EA, Machado AG, Peckham PH, Anjos SM, Siqueira IL, Conti J, Plow EB, Conforto AB. Combined Brain and Peripheral Nerve Stimulation in Chronic Stroke Patients With Moderate to Severe Motor Impairment. Neuromodulation 2017; 21:176-183. [PMID: 29067749 DOI: 10.1111/ner.12717] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 08/18/2017] [Accepted: 09/19/2017] [Indexed: 12/24/2022]
Abstract
OBJECTIVES To evaluate effects of somatosensory stimulation in the form of repetitive peripheral nerve sensory stimulation (RPSS) in combination with transcranial direct current stimulation (tDCS), tDCS alone, RPSS alone, or sham RPSS + tDCS as add-on interventions to training of wrist extension with functional electrical stimulation (FES), in chronic stroke patients with moderate to severe upper limb impairments in a crossover design. We hypothesized that the combination of RPSS and tDCS would enhance the effects of FES on active range of movement (ROM) of the paretic wrist to a greater extent than RPSS alone, tDCS alone or sham RPSS + tDCS. MATERIALS AND METHODS The primary outcome was the active ROM of extension of the paretic wrist. Secondary outcomes were ROM of wrist flexion, grasp, and pinch strength of the paretic and nonparetic upper limbs, and ROM of wrist extension of the nonparetic wrist. Outcomes were blindly evaluated before and after each intervention. Analysis of variance with repeated measures with factors "session" and "time" was performed. RESULTS After screening 2499 subjects, 22 were included. Data from 20 subjects were analyzed. There were significant effects of "time" for grasp force of the paretic limb and for ROM of wrist extension of the nonparetic limb, but no effects of "session" or interaction "session x time." There were no significant effects of "session," "time," or interaction "session x time" regarding other outcomes. CONCLUSIONS Single sessions of PSS + tDCS, tDCS alone, or RPSS alone did not improve training effects in chronic stroke patients with moderate to severe impairment.
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Affiliation(s)
| | - Leonardo G Cohen
- Human Cortical Physiology and Stroke Neurorehabilitation Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
| | - Eduardo A Mello
- Hospital das Clinicas/São Paulo University, São Paulo, Brazil
| | - André G Machado
- Departament of Neurosciences, Lerner Reasearch Institute, Cleveland Clinic, Cleveland, OH, USA.,Case Western Reserve University, Cleveland, OH, USA
| | | | - Sarah M Anjos
- Hospital das Clinicas/São Paulo University, São Paulo, Brazil.,Departments of Physical Therapy and Occupational Therapy; School of Health Professions, University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Juliana Conti
- Hospital das Clinicas/São Paulo University, São Paulo, Brazil
| | - Ela B Plow
- Departament of Neurosciences, Lerner Reasearch Institute, Cleveland Clinic, Cleveland, OH, USA.,Case Western Reserve University, Cleveland, OH, USA
| | - Adriana B Conforto
- Hospital das Clinicas/São Paulo University, São Paulo, Brazil.,Hospital Israelita Albert Einstein, São Paulo, Brazil
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Right sensory-motor functional networks subserve action observation therapy in aphasia. Brain Imaging Behav 2016; 11:1397-1411. [DOI: 10.1007/s11682-016-9635-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Wright DJ, McCormick SA, Williams J, Holmes PS. Viewing Instructions Accompanying Action Observation Modulate Corticospinal Excitability. Front Hum Neurosci 2016; 10:17. [PMID: 26869901 PMCID: PMC4740958 DOI: 10.3389/fnhum.2016.00017] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Accepted: 01/13/2016] [Indexed: 01/07/2023] Open
Abstract
Action observation interventions may have the potential to contribute to improved motor function in motor (re)learning settings by promoting functional activity and plasticity in the motor regions of the brain. Optimal methods for delivering such interventions, however, have yet to be established. This experiment investigated the effect on corticospinal excitability of manipulating the viewing instructions provided to participants (N = 21) prior to action observation. Specifically, motor evoked potential responses measured from the right hand muscles following single-pulse transcranial magnetic stimulation (TMS) to the left motor cortex were compared when participants were instructed to observe finger-thumb opposition movement sequences: (i) passively; (ii) with the intent to imitate the observed movement; or (iii) whilst simultaneously and actively imagining that they were performing the movement as they observed it. All three action observation viewing instructions facilitated corticospinal excitability to a greater extent than did observation of a static hand. In addition, the extent to which corticospinal excitability was facilitated was greater during combined observation and imagery, compared to passive observation. These findings have important implications for the design of action observation interventions in motor (re)learning settings, where instructions that encourage observers to simultaneously imagine themselves performing the observed movement may offer the current optimal method for improving motor function through action observation.
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Affiliation(s)
- David J Wright
- Centre for Health, Exercise and Active Living, Manchester Metropolitan University UK
| | - Sheree A McCormick
- Centre for Health, Exercise and Active Living, Manchester Metropolitan University UK
| | - Jacqueline Williams
- Centre for Health, Exercise and Active Living, Manchester Metropolitan UniversityUK; College of Sport and Exercise Science, Institute of Sport, Exercise and Active Living, Victoria UniversityMelbourne, VIC, Australia
| | - Paul S Holmes
- Centre for Health, Exercise and Active Living, Manchester Metropolitan UniversityUK; College of Sport and Exercise Science, Institute of Sport, Exercise and Active Living, Victoria UniversityMelbourne, VIC, Australia
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Ogata T, Abe H, Samura K, Hamada O, Nonaka M, Iwaasa M, Higashi T, Fukuda H, Shiota E, Tsuboi Y, Inoue T. Hybrid Assistive Limb (HAL) Rehabilitation in Patients with Acute Hemorrhagic Stroke. Neurol Med Chir (Tokyo) 2015; 55:901-6. [PMID: 26511112 PMCID: PMC4686453 DOI: 10.2176/nmc.oa.2015-0209] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The efficacy of hybrid assistive limb (HAL) rehabilitation in the acute phase of stroke remains unclear. The purpose of this study was to evaluate the outcomes of patients with acute intracranial hemorrhage (ICH) who were treated with or without HAL rehabilitation. Among 270 patients with acute ICH from 2009 to 2014, 91 patients with supratentorial ICH were included in this retrospective study. Of these, 14 patients (HAL group) received HAL rehabilitation at approximately 1 week after ICH occurrence, while the remaining 77 patients received usual rehabilitation without HAL (N-HAL group). We obtained various patient data from the hospitals where the patients were moved to for further rehabilitation. Statistical comparisons were performed for the characteristics of the ICH patients, and outcomes between the HAL and N-HAL groups. There were no differences in outcomes between the HAL and N-HAL groups. However, patients with right ICH in the HAL group exhibited a significant association with a functional independence measure (FIM) score of ≥ 110 compared with patients in the N-HAL group (HAL group: 81.8%, N-HAL group: 43.9%, P = 0.04). In patients with right ICH, HAL rehabilitation was associated with improved outcomes as evaluated by the FIM score. Thus, HAL rehabilitation may improve outcomes of acute ICH in appropriately selected patients.
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Pazzaglia M, Galli G. Translating novel findings of perceptual-motor codes into the neuro-rehabilitation of movement disorders. Front Behav Neurosci 2015; 9:222. [PMID: 26347631 PMCID: PMC4543860 DOI: 10.3389/fnbeh.2015.00222] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Accepted: 08/07/2015] [Indexed: 12/16/2022] Open
Abstract
The bidirectional flow of perceptual and motor information has recently proven useful as rehabilitative tool for re-building motor memories. We analyzed how the visual-motor approach has been successfully applied in neurorehabilitation, leading to surprisingly rapid and effective improvements in action execution. We proposed that the contribution of multiple sensory channels during treatment enables individuals to predict and optimize motor behavior, having a greater effect than visual input alone. We explored how the state-of-the-art neuroscience techniques show direct evidence that employment of visual-motor approach leads to increased motor cortex excitability and synaptic and cortical map plasticity. This super-additive response to multimodal stimulation may maximize neural plasticity, potentiating the effect of conventional treatment, and will be a valuable approach when it comes to advances in innovative methodologies.
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Affiliation(s)
- Mariella Pazzaglia
- Dipartimento di Psicologia, Università degli Studi di Roma "La Sapienza" Rome, Italy ; IRCCS Santa Lucia Foundation Rome, Italy
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de Oliveira FF, Correia Marin SDM, Ferreira Bertolucci PH. Communicating with the non-dominant hemisphere: Implications for neurological rehabilitation. Neural Regen Res 2014; 8:1236-46. [PMID: 25206418 PMCID: PMC4107603 DOI: 10.3969/j.issn.1673-5374.2013.13.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 03/13/2013] [Indexed: 11/18/2022] Open
Abstract
Aphasic syndromes usually result from injuries to the dominant hemisphere of the brain. Despite the fact that localization of language functions shows little interindividual variability, several brain areas are simultaneously activated when language tasks are undertaken. Mechanisms of language recovery after brain injury to the dominant hemisphere seem to be relatively stereotyped, including activations of perilesional areas in the acute phase and of homologues of language areas in the non-dominant hemisphere in the subacute phase, later returning to dominant hemisphere activation in the chronic phase. Plasticity mechanisms reopen the critical period of language development, more specifically in what leads to disinhibition of the non-dominant hemisphere when brain lesions affect the dominant hemisphere. The non-dominant hemisphere plays an important role during recovery from aphasia, but currently available rehabilitation therapies have shown limited results for efficient language improvement. Large-scale randomized controlled trials that evaluate well-defined interventions in patients with aphasia are needed for stimulation of neuroplasticity mechanisms that enhance the role of the non-dominant hemisphere for language recovery. Ineffective treatment approaches should be replaced by more promising ones and the latter should be evaluated for proper application. The data generated by such studies could substantiate evidence-based rehabilitation strategies for patients with aphasia.
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Affiliation(s)
- Fabricio Ferreira de Oliveira
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Sheilla de Medeiros Correia Marin
- Department of Neurology and Neurosurgery, Escola Paulista de Medicina, Federal University of São Paulo (UNIFESP), São Paulo, SP, Brazil
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