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Stroke neurorehabilitation

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https://www.readbyqxmd.com/read/28856960/task-oriented-training-and-evaluation-at-home
#1
Veronica T Rowe, Marsha Neville
Principles of experience-dependent plasticity, motor learning theory, and the theory of Occupational Adaptation coalesce into a translational model for practice in neurorehabilitation. The objective of this study was to explore the effectiveness of a Task Oriented Training and Evaluation at Home (TOTE Home) program completed by people with subacute stroke, and whether effects persisted 1 month after this training. A single-subject design included a maximum of 30, 1hour sessions of training conducted in participants' homes...
August 1, 2017: OTJR: Occupation, Participation and Health
https://www.readbyqxmd.com/read/28841920/ipsilateral-eeg-mu-rhythm-reflects-the-excitability-of-uncrossed-pathways-projecting-to-shoulder-muscles
#2
Keita Hasegawa, Shoko Kasuga, Kenichi Takasaki, Katsuhiro Mizuno, Meigen Liu, Junichi Ushiba
BACKGROUND: Motor planning, imagery or execution is associated with event-related desynchronization (ERD) of mu rhythm oscillations (8-13 Hz) recordable over sensorimotor areas using electroencephalography (EEG). It was shown that motor imagery involving distal muscles, e.g. finger movements, results in contralateral ERD correlating with increased excitability of the contralateral corticospinal tract (c-CST). Following the rationale that purposefully increasing c-CST excitability might facilitate motor recovery after stroke, ERD recently became an attractive target for brain-computer interface (BCI)-based neurorehabilitation training...
August 25, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28830433/transcranial-direct-current-stimulation-as-a-motor-neurorehabilitation-tool-an-empirical-review
#3
Ana Sánchez-Kuhn, Cristian Pérez-Fernández, Rosa Cánovas, Pilar Flores, Fernando Sánchez-Santed
The present review collects the most relevant empirical evidence available in the literature until date regarding the effects of transcranial direct current stimulation (tDCS) on the human motor function. tDCS in a non-invasive neurostimulation technique that delivers a weak current through the brain scalp altering the cortical excitability on the target brain area. The electrical current modulates the resting membrane potential of a variety of neuronal population (as pyramidal and gabaergic neurons); raising or dropping the firing rate up or down, depending on the nature of the electrode and the applied intensity...
August 18, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28813935/influence-of-artifacts-on-movement-intention-decoding-from-eeg-activity-in-severely-paralyzed-stroke-patients
#4
Eduardo Lopez-Larraz, Carlos Bibian, Niels Birbaumer, Ander Ramos-Murguialday
Brain-machine interfaces (BMI) can be used to control robotic and prosthetic devices for rehabilitation of motor disorders, such as stroke. The calibration of these BMI systems is of paramount importance in order to establish a precise contingent link between the brain activity related to movement intention and the peripheral feedback. However, electroencephalographic (EEG) activity, commonly used to build non-invasive BMIs, can be easily contaminated by artifacts of electrical or physiological origin. The way these interferences can affect the performance of movement intention decoders has not been deeply studied, especially when dealing with severely paralyzed patients, which often generate more artifacts by compensatory movements...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813931/making-neurorehabilitation-fun-multiplayer-training-via-damping-forces-balancing-differences-in-skill-levels
#5
Kilian Baur, Peter Wolf, Robert Riener, Jaime E Duarte
Multiplayer environments are thought to increase the training intensity in robot-aided rehabilitation therapy after stroke. We developed a haptic-based environment to investigate the dynamics of two-player training performing time-constrained reaching movements using the ARMin rehabilitation robot. We implemented a challenge level adaptation algorithm that controlled a virtual damping coefficient to reach a desired success rate. We tested the algorithm's effectiveness in regulating the success rate during game play in a simulation with computer-controlled players, in a feasibility study with six unimpaired players, and in a single session with one stroke patient...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813890/online-adaptive-assistance-control-in-robot-based-neurorehabilitation-therapy
#6
Fabio Stroppa, Simone Marcheschi, Nicola Mastronicola, Claudio Loconsole, Antonio Frisoli
Repetitive and task specific robot-based rehabilitation has been proved to be effective for motor recovery over time. During a therapy, the task should improve subject's impaired movements, but also enhance their efforts for a more effective recovery. This requires an accurate tuning of the task difficulty, which should be tailored directly to the patient. In this work, we propose a system for real-time assistance adaptation based on online performance evaluation for post-stroke subjects. In particular, the aim of the system is to implement the "assist-as-needed" paradigm based on actual patients' motor skills during a therapy session with an active upper-limb robotic exoskeleton...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813815/how-do-strength-and-coordination-recovery-interact-after-stroke-a-computational-model-for-informing-robotic-training
#7
Sumner L Norman, Joan Lobo-Prat, David J Reinkensmeyer
Robotic devices can train strength, coordination, or a combination of both. If a robotic device focuses on coordination, what happens to strength recovery, and vice versa? Understanding this interaction could help optimize robotic training. We developed a computational neurorehabilitation model to gain insight into the interaction between strength and coordination recovery after stroke. In the model, the motor system recovers by optimizing the activity of residual corticospinal cells (focally connected, excitatory and inhibitory) and reticulospinal cells (diffusely connected and excitatory) to achieve a motor task...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813811/a-multichannel-near-infrared-spectroscopy-triggered-robotic-hand-rehabilitation-system-for-stroke-patients
#8
Jongseung Lee, Nobutaka Mukae, Jumpei Arata, Hiroyuki Iwata, Keiji Iramina, Koji Iihara, Makoto Hashizume
There is a demand for a new neurorehabilitation modality with a brain-computer interface for stroke patients with insufficient or no remaining hand motor function. We previously developed a robotic hand rehabilitation system triggered by multichannel near-infrared spectroscopy (NIRS) to address this demand. In a preliminary prototype system, a robotic hand orthosis, providing one degree-of-freedom motion for a hand's closing and opening, is triggered by a wireless command from a NIRS system, capturing a subject's motor cortex activation...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28769866/eye-control-deficits-coupled-to-hand-control-deficits-eye-hand-incoordination-in-chronic-cerebral-injury
#9
John-Ross Rizzo, James K Fung, Maryam Hosseini, Azadeh Shafieesabet, Edmond Ahdoot, Rosa M Pasculli, Janet C Rucker, Preeti Raghavan, Michael S Landy, Todd E Hudson
It is widely accepted that cerebral pathology can impair ocular motor and manual motor control. This is true in indolent and chronic processes, such as neurodegeneration and in acute processes such as stroke or those secondary to neurotrauma. More recently, it has been suggested that disruptions in these control systems are useful markers for prognostication and longitudinal monitoring. The utility of examining the relationship or the coupling between these systems has yet to be determined. We measured eye and hand-movement control in chronic, middle cerebral artery stroke, relative to healthy controls, in saccade-to-reach paradigms to assess eye-hand coordination...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28768347/-trajectory-analysis-of-participation-in-a-sample-of-stroke-patients-in-german-neurological-outpatient-rehabilitation-centres
#10
Judit Marheineke, Ruth Deck, Paul Reuther, Dominik Pöppl
Objective We used a trajectory analysis to evaluate the course of participation in a sample of stroke patients in German neurological outpatient rehabilitation centres. Among other benefits, the method of trajectory analysis enables exploration of variables that influence the course of rehabilitation. Method In a multicentric observational study, patients at 17 outpatient neurorehabilitation centres were asked to fill in a questionnaire four times: at the time of admission to the rehabilitation center, on discharge and on month 4 and 12 post rehab...
July 2017: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/28722777/nurses-and-nurse-assistants-beliefs-attitudes-and-actions-related-to-role-and-function-in-an-inpatient-stroke-rehabilitation-unit-a-qualitative-study
#11
Mia Ingerslev Loft, Ingrid Poulsen, Bente Appel Esbensen, Helle Klingenberg Iversen, Lone Lunbak Mathiesen, Bente Martinsen
AIMS AND OBJECTIVE: To explore nurses' and nurse assistants' beliefs, attitudes, and actions related to their function in an inpatient stroke rehabilitation unit. BACKGROUND: Several attempts have been made to describe nurses' roles and functions in inpatient neurorehabilitation. However, current understandings of the contributions that nurses and nurse assistants make to neurorehabilitation remain sparse. DESIGN: Descriptive, interpretive qualitative study...
July 19, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28721533/minimum-norm-estimation-of-motor-representations-in-navigated-tms-mappings
#12
Minna Pitkänen, Elisa Kallioniemi, Petro Julkunen, Maria Nazarova, Jaakko O Nieminen, Risto J Ilmoniemi
Navigated transcranial magnetic stimulation (nTMS) can be applied to locate and outline cortical motor representations. This may be important, e.g., when planning neurosurgery or focused nTMS therapy, or when assessing plastic changes during neurorehabilitation. Conventionally, a cortical location is considered to belong to the motor cortex if the maximum electric field (E-field) targeted there evokes a motor-evoked potential in a muscle. However, the cortex is affected by a broad E-field distribution, which tends to broaden estimates of representation areas by stimulating also the neighboring areas in addition to the maximum E-field location...
July 18, 2017: Brain Topography
https://www.readbyqxmd.com/read/28697709/standardized-measurement-of-sensorimotor-recovery-in-stroke-trials-consensus-based-core-recommendations-from-the-stroke-recovery-and-rehabilitation-roundtable
#13
Gert Kwakkel, Natasha A Lannin, Karen Borschmann, Coralie English, Myzoon Ali, Leonid Churilov, Gustavo Saposnik, Carolee Winstein, Erwin Eh van Wegen, Steven L Wolf, John W Krakauer, Julie Bernhardt
Finding, testing and demonstrating efficacy of new treatments for stroke recovery is a multifaceted challenge. We believe that to advance the field, neurorehabilitation trials need a conceptually rigorous starting framework. An essential first step is to agree on definitions of sensorimotor recovery and on measures consistent with these definitions. Such standardization would allow pooling of participant data across studies and institutions aiding meta-analyses of completed trials, more detailed exploration of recovery profiles of our patients and the generation of new hypotheses...
July 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28689476/the-role-of-music-therapy-in-rehabilitation-improving-aphasia-and-beyond
#14
Simona Leonardi, Alberto Cacciola, Rosaria De Luca, Bianca Aragona, Veronica Andronaco, Demetrio Milardi, Placido Bramanti, Rocco Salvatore Calabrò
Music is part of the human nature, and it is also philogenically relevant to language evolution. Language and music are bound together in the enhancement of important social functions, such as communication, cooperation and social cohesion. In the last few years, there has been growing evidence that music and music therapy may improve communication skills (but not only) in different neurological disorders. One of the plausible reasons concerning the rational use of sound and music in neurorehabilitation is the possibility to stimulate brain areas involved in emotional processing and motor control, such as the fronto-parietal network...
July 10, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28681346/rehabilitation-and-the-neural-network-after-stroke
#15
REVIEW
Norihito Shimamura, Takeshi Katagai, Kiyohide Kakuta, Naoya Matsuda, Kosuke Katayama, Nozomi Fujiwara, Yuuka Watanabe, Masato Naraoka, Hiroki Ohkuma
Stroke remains a major cause of disability throughout the world: paralysis, cognitive impairment, aphasia, and so on. Surgical or medical intervention is curative in only a small number of cases. Nearly all stroke cases require rehabilitation. Neurorehabilitation generally improves patient outcome, but it sometimes has no effect or even a mal-influence. The aim of this review is the clarification of the mechanisms of neurorehabilitation. We systematically reviewed recently published articles on neural network remodeling, especially from 2014 to 2016...
July 5, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28676142/the-italian-real-life-post-stroke-spasticity-survey-unmet-needs-in-the-management-of-spasticity-with-botulinum-toxin-type-a
#16
A Picelli, A Baricich, C Cisari, Stefano Paolucci, Nicola Smania, Giorgio Sandrini
The present national survey seeking to identify unmet needs in the management of spasticity with botulinum toxin type A focused on the use of OnabotulinumoxinA, since this is the brand with the widest range of licensed indications in Italy. Physicians from twenty-four Italian neurorehabilitation units compiled a questionnaire about "real-life" post-stroke spasticity management. OnabotulinumtoxinA was reported to be used in the following average doses: upper limb 316.7 ± 79.1 units; lower limb 327.8 ± 152...
April 2017: Functional Neurology
https://www.readbyqxmd.com/read/28665373/-functional-neuroimaging-of-the-brain-structures-associated-with-language-in-healthy-individuals-and-patients-with-post-stroke-aphasia
#17
V V Alferova, L A Mayorova, E G Ivanova, A B Guekht, V M Shklovskij
The introduction of non-invasive functional neuroimaging techniques such as functional magnetic resonance imaging (fMRI), in the practice of scientific and clinical research can increase our knowledge about the organization of cognitive processes, including language, in normal and reorganization of these cognitive functions in post-stroke aphasia. The article discusses the results of fMRI studies of functional organization of the cortex of a healthy adult's brain in the processing of various voice information as well as the main types of speech reorganization after post-stroke aphasia in different stroke periods...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28659855/upper-extremity-motor-impairments-and-microstructural-changes-in-bulbospinal-pathways-in-chronic-hemiparetic-stroke
#18
Meriel Owen, Carson Ingo, Julius P A Dewald
Following hemiparetic stroke, precise, individuated control of single joints is often replaced by highly stereotyped patterns of multi-joint movement, or abnormal limb synergies, which can negatively impact functional use of the paretic arm. One hypothesis for the expression of these synergies is an increased dependence on bulbospinal pathways such as the rubrospinal (RubST) tract and especially the reticulospinal (RetST) tracts, which co-activate multiple muscles of the shoulder, elbow, wrist, and fingers...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28656344/-the-importance-of-neuronal-networks-for-motor-rehabilitation-after-a-stroke
#19
REVIEW
F C Hummel
Every year in Europe 1.5 million patients suffer a new stroke. Despite the further developments in acute therapy with nationwide stroke units, thrombolysis, thrombectomy and post-acute neurorehabilitation, only a small proportion of patients recover to a satisfactory degree allowing them to return to their normal social and professional life. This makes stroke the main cause of long-term disability with a corresponding impact on patient lives, socioeconomics and the healthcare system. Thus, the concepts of neurorehabilitation have to be extended to enhance the effects of rehabilitative treatment strategies...
June 27, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28638025/-music-therapy-as-an-effective-method-of-neurorehabilitation
#20
E Z Yakupov, A V Nalbat, M V Semenova, K A Tlegenova
AIM: To assess the role of music therapy in the recovery of motor, speech and autonomic functions in patients with ischemic stroke (II). MATERIAL AND METHODS: Forty-five patients with II in the middle cerebral artery were examined. The patients were randomized into three groups (main, comparison and control) of 15 individuals each. With patients of the first and the second groups on the 3rd, 5th, 7th and 9th days of the rehabilitation period the special set of exercises with music and without that respectively was fulfilled...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
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