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Neurorehabilition

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https://www.readbyqxmd.com/read/29449799/markov-switching-model-for-quick-detection-of-event-related-desynchronization-in-eeg
#1
Giuseppe Lisi, Diletta Rivela, Asuka Takai, Jun Morimoto
Quick detection of motor intentions is critical in order to minimize the time required to activate a neuroprosthesis. We propose a Markov Switching Model (MSM) to achieve quick detection of an event related desynchronization (ERD) elicited by motor imagery (MI) and recorded by electroencephalography (EEG). Conventional brain computer interfaces (BCI) rely on sliding window classifiers in order to perform online continuous classification of the rest vs. MI classes. Based on this approach, the detection of abrupt changes in the sensorimotor power suffers from an intrinsic delay caused by the necessity of computing an estimate of variance across several tenths of a second...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29448856/study-of-target-and-non-target-interplay-in-spatial-attention-task
#2
Sweeti, Deepak Joshi, B K Panigrahi, Sneh Anand, Jayasree Santhosh
Selective visual attention is the ability to selectively pay attention to the targets while inhibiting the distractors. This paper aims to study the targets and non-targets interplay in spatial attention task while subject attends to the target object present in one visual hemifield and ignores the distractor present in another visual hemifield. This paper performs the averaged evoked response potential (ERP) analysis and time-frequency analysis. ERP analysis agrees to the left hemisphere superiority over late potentials for the targets present in right visual hemifield...
February 15, 2018: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/29442072/cortical-excitability-correlates-with-the-event-related-desynchronization-during-brain-computer-interface-control
#3
Ian Daly, Caroline Blanchard, Nicholas P Holmes
OBJECTIVE: Brain-computer interfaces (BCIs) based on motor control have been suggested as tools for stroke rehabilitation. Some initial successes have been achieved with this approach, however the mechanism by which they work is not yet fully understood. One possible part of this mechanism is a, previously suggested, relationship between the strength of the event-related desynchronization (ERD), a neural correlate of motor imagination and execution, and corticospinal excitability. Additionally, a key component of BCIs used in neurorehabilitation is the provision of visual feedback to positively reinforce attempts at motor control...
February 14, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29439368/systemic-administration-of-donepezil-attenuates-the-efficacy-of-environmental-enrichment-on-neurobehavioral-outcome-after-experimental-traumatic-brain-injury
#4
Corina O Bondi, Narayana K Yelleswarapu, Julian Day-Cooney, Kimiya Memarzadeh, Kaitlin A Folweiler, Carine E Bou-Abboud, Jacob B Leary, Jeffrey P Cheng, Roya Tehranian-DePasquale, Anthony E Kline
BACKGROUND: The acetylcholinesterase inhibitor (AChEI) donepezil (DON) is recommended as a potential treatment for cognition after clinical traumatic brain injury (TBI) and therefore may be prescribed as an adjunct therapy during rehabilitation. However, a dose-response study evaluating DON after a controlled cortical impact (CCI) injury in rats did not reveal cognitive benefits. OBJECTIVE: The aim of this study was to determine the effect of DON on behavioral and histological outcome when combined with environmental enrichment (EE), a preclinical model of neurorehabilitation...
2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29439361/voluntary-contraction-enhances-spinal-reciprocal-inhibition-induced-by-patterned-electrical-stimulation-in-patients-with-stroke
#5
Yoko Takahashi, Toshiyuki Fujiwara, Tomofumi Yamaguchi, Hikaru Matsunaga, Michiyuki Kawakami, Kaoru Honaga, Katsuhiro Mizuno, Meigen Liu
BACKGROUND: Reciprocal inhibition (RI) may be important for recovering locomotion after stroke. Patterned electrical stimulation (PES) can modulate RI in a manner that could be enhanced by voluntary muscle contraction (VC). OBJECTIVE: To investigate whether VC enhances the PES-induced spinal RI in patients with stroke. METHODS: Twelve patients with chronic stroke underwent three 20 min tasks, each on different days: (1) PES (10 pulses, 100 Hz every 2 s) applied to the common peroneal nerve; (2) VC consisting of isometric contraction of the affected-side tibialis anterior muscle; (3) PES combined with VC (PES + VC)...
2018: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/29432505/the-use-of-eeg-biofeedback-neurofeedback-in-psychiatric-rehabilitation
#6
REVIEW
Renata Markiewcz
The aim of the systematic review was to evaluate the use of EEG Biofeedback/Neurofeedback in patients treated for mental disorders. The review covered publications analyzing influences and effects of therapy in patients receiving psychiatric treatment based on EEG Biofeedback/Neurofeedback. Selection of publications was made by searching PubMed and Scopus databases. 328 records concerning applications of the presented method were identified in total, including 84 records for patients diagnosed with mental disorders...
December 30, 2017: Psychiatria Polska
https://www.readbyqxmd.com/read/29428344/the-effects-of-timing-and-intensity-of-neurorehabilitation-on-functional-outcome-after-traumatic-brain-injury-a-systematic-review-meta-analysis
#7
REVIEW
Marsh Königs, Eva A Beurskens, Lian Snoep, Erik J A Scherder, Jaap Oosterlaan
OBJECTIVE: To systematically review evidence on the effects of timing and intensity of neurorehabilitation on the functional recovery of patients with moderate to severe traumatic brain injury (TBI) and aggregate the available evidence using meta-analytic methods. DATA SOURCES: Pubmed, Embase, PsycINFO and Cochrane Database. DATA SELECTION: Electronic databases were searched for prospective controlled clinical trials assessing the effect of timing or intensity of multidisciplinary neurorehabilitation programs on functional outcome of patients with moderate or severe TBI...
February 8, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29420360/effectiveness-of-a-single-session-of-dual-transcranial-direct-current-stimulation-in-combination-with-upper-limb-robotic-assisted-rehabilitation-in-chronic-stroke-patients-a-randomized-double-blind-cross-over-study
#8
Stéphanie Dehem, Maxime Gilliaux, Thierry Lejeune, Emmanuelle Delaunois, Paul Mbonda, Yves Vandermeeren, Christine Detrembleur, Gaëtan Stoquart
The impact of transcranial direct current stimulation (tDCS) is controversial in the neurorehabilitation literature. It has been suggested that tDCS should be combined with other therapy to improve their efficacy. To assess the effectiveness of a single session of upper limb robotic-assisted therapy (RAT) combined with real or sham-tDCS in chronic stroke patients. Twenty-one hemiparetic chronic stroke patients were included in a randomized, controlled, cross-over double-blind study. Each patient underwent two sessions 7 days apart in a randomized order: (a) 20 min of real dual-tDCS associated with RAT (REAL+RAT) and (b) 20 min of sham dual-tDCS associated with RAT (SHAM+RAT)...
February 7, 2018: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/29414403/postoperative-rehabilitation-after-deep-brain-stimulation-surgery-for-movement-disorders
#9
REVIEW
Niels Allert, Binith Cheeran, Günther Deuschl, Michael T Barbe, Ilona Csoti, Markus Ebke, Martin Glaser, Jun-Suk Kang, Stefan Kelm, Paul Krack, Julia Kroth, Ulrich Jobst, Markus Leisse, Antonio Oliviero, Peter Nikolaus Nolte, Johanna Quick-Weller, Martin Strothjohann, Gertrúd Tamás, Michael Werner, Muthuraman Muthuraman, Jens Volkmann, Alfonso Fasano, Sergiu Groppa
Deep brain stimulation (DBS) is a highly efficient, evidence-based therapy for a set of neurological and psychiatric conditions and especially movement disorders such as Parkinson's disease, essential tremor and dystonia. Recent developments have improved the DBS technology. However, no unequivocal algorithms for an optimized postoperative care exist so far. The aim of this review is to provide a synopsis of the current clinical practice and to propose guidelines for postoperative and rehabilitative care of patients who undergo DBS...
January 10, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29407275/influence-of-non-contextual-auditory-stimuli-on-navigation-in-a-virtual-reality-context-involving-executive-functions-among-patients-after-stroke
#10
Melanie Cogne, Marie-Helene Violleau, Evelyne Klinger, Pierre-Alain Joseph
BACKGROUND: Topographical disorientation is frequent among patients after a stroke and can be well explored with virtual environments (VEs). VEs also allow for the addition of stimuli. A previous study did not find any effect of non-contextual auditory stimuli on navigational performance in the Virtual Action Planning-Supermarket (VAP-S) simulating a medium-sized 3D supermarket. However, the perceptual or cognitive load of the sounds used was not high. OBJECTIVE: We investigated how non-contextual auditory stimuli with high load affect navigational performance in the VAP-S for patients who have had a stroke and any correlation between this performance and dysexecutive disorders...
January 30, 2018: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29400912/classic-block-design-pseudo-resting-state-fmri-changes-after-a-neurorehabilitation-program-in-patients-with-multiple-sclerosis
#11
Deborah Pareto, Jaume Sastre-Garriga, Juli Alonso, Ingrid Galán, Maria Jesus Arévalo, Marta Renom, Xavier Montalban, Àlex Rovira
BACKGROUND AND PURPOSE: The goal of this study was to assess changes in the resting-state networks (RSNs) of patients with multiple sclerosis (MS) after a cognitive rehabilitation program (CRP), by retrospectively analyzing functional magnetic resonance imaging (fMRI) studies using the classical block design. METHODS: Fifteen patients with MS (2 primary progressive, 3 relapsing-remitting, 10 secondary progressive) were scanned before and after the CRP on a 1.5T MRI scanner...
February 5, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29388926/-the-role-of-the-neurophysiological-methods-in-the-assessment-of-the-effectiveness-of-the-rehabilitation-of-sensorimotor-disturbances-associated-with-the-lesions-of-the-central-nervous-system-at-the-spinal-cord-level
#12
E V Ekusheva, V B Voitenkov, N V Skripchenko, I G Samoilova, V A Filimonov
AIM: The objective of the present study was the evaluation and comparison of the effectiveness of the differential approaches to the neurorehabilitation of the somatosensory disturbances in the patients presenting with the spinal cord lesions. MATERIALS AND METHODS: A total of 68 patients with spinal cord lesions were enrolled in the study, including 38 suffering from vascular myelopathy, 18 with the consequences of extramedullar meningioma surgery, 12 with the sequelae of acute transverse myelitis...
December 28, 2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29386049/an-open-label-proof-of-concept-study-of-intrathecal-autologous-bone-marrow-mononuclear-cell-transplantation-in-intellectual-disability
#13
Alok Sharma, Hemangi Sane, Nandini Gokulchandran, Suhasini Pai, Pooja Kulkarni, Vaishali Ganwir, Maitree Maheshwari, Ridhima Sharma, Meenakshi Raichur, Samson Nivins, Prerna Badhe
BACKGROUND: The underlying pathophysiology in intellectual disability (ID) involves abnormalities in dendritic branching and connectivity of the neuronal network. This limits the ability of the brain to process information. Conceptually, cellular therapy through its neurorestorative and neuroregenerative properties can counteract these pathogenetic mechanisms and improve neuronal connectivity. This improved networking should exhibit as clinical efficacy in patients with ID. METHODS: To assess the safety and efficacy of cellular therapy in patients with ID, we conducted an open-label proof-of-concept study from October 2011 to December 2015...
January 31, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29376974/-rehabilitation-of-the-patients-presenting-with-the-operated-spine-syndrome-during-the-complicated-postoperative-period-after-discectomy
#14
A E Gorelikov, E A Melnikova, A N Razumov, M A Rassulova, I M Rud
This article presents an analytical review of the literature concerning the problem of rehabilitation of the patients following the surgical treatment of hernias of intervertebral disks. The relevance of this problem and the importance of the related research activities in the context of neurorehabilitation are beyond any doubt. Despite the obvious progress in the modernization of the methods and technologies for medical rehabilitation, the number of re-operations in connection with the recurrences of herniated discs remains too high and the overall success thus far achieved in this field falls short of expectations...
December 5, 2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29376666/celebrating-the-125th-anniversary-of-the-american-psychological-association-a-quarter-century-of-neuropsychology
#15
Gregory G Brown, Vicki Anderson, Erin D Bigler, Agnes S Chan, Rosemary Fama, Thomas J Grabowski, Konstantine K Zakzanis
OBJECTIVE: The American Psychological Association (APA) celebrated its 125th anniversary in 2017. As part of this celebration, the APA journal Neuropsychology has published in its November 2017 issue 11 papers describing some of the advances in the field of neuropsychology over the past 25 years. METHOD: The papers address three broad topics: assessment and intervention, brain imaging, and theory and methods. RESULTS: The papers describe the rise of new assessment and intervention technologies, the impact of evidence for neuroplasticity on neurorehabilitation...
November 2017: Neuropsychology
https://www.readbyqxmd.com/read/29366374/poststroke-depressive-symptoms-are-associated-with-increased-oxidative-deoxyribonucleic-acid-damage
#16
Chung-Yao Chen, Chia-Ling Chen, Yao-Hung Yang, Chien-Hui Ho, Wen-Chun Tseng
Poststroke depression is independently associated with poor health outcomes, such as increased mortality, disability, anxiety, and lower quality of life. Identifying the potential biomarkers and detailed mechanisms of poststroke depression may improve the effectiveness of therapeutic intervention. In this cross-sectional study, the authors recruited patients with subacute ischemic stroke who were consecutively admitted for neurorehabilitation. Depression was assessed with the Patient Health Questionnaire-9 (PHQ-9), with a cutoff based on a summed-items score of 10...
January 25, 2018: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/29362596/cerebrolysin-and-early-neurorehabilitation-in-patients-with-acute-ischemic-stroke-a-prospective-randomized-placebo-controlled-clinical-study
#17
A Stan, C Birle, A Blesneag, M Iancu
Background - Stroke represents one of the most important causes of permanent physical or mental disability. A number of recent advances in recovery have reinforced the idea that pharmacological intervention combined with a specific rehabilitation therapy can reduce disability after stroke. Objective - The aim of this trial was to demonstrate the hypothesis that the association of pharmacological treatment with Cerebrolysin to early physical therapy can significantly stimulate the endogenous processes underlying the recovery after an ischemic stroke...
October 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/29361937/changing-practice-in-the-assessment-and-treatment-of-somatosensory-loss-in-stroke-survivors-protocol-for-a-knowledge-translation-study
#18
Liana S Cahill, Natasha A Lannin, Yvonne Y K Mak-Yuen, Megan L Turville, Leeanne M Carey
BACKGROUND: The treatment of somatosensory loss in the upper limb after stroke has been historically overshadowed by therapy focused on motor recovery. A double-blind randomized controlled trial has demonstrated the effectiveness of SENSe (Study of the Effectiveness of Neurorehabilitation on Sensation) therapy to retrain somatosensory discrimination after stroke. Given the acknowledged prevalence of upper limb sensory loss after stroke and the evidence-practice gap that exists in this area, effort is required to translate the published research to clinical practice...
January 23, 2018: BMC Health Services Research
https://www.readbyqxmd.com/read/29357743/evidence-for-training-dependent-structural-neuroplasticity-in-brain-injured-patients-a-critical-review
#19
Karen Caeyenberghs, Adam Clemente, Phoebe Imms, Gary Egan, Darren R Hocking, Alexander Leemans, Claudia Metzler-Baddeley, Derek K Jones, Peter H Wilson
Acquired brain injury (ABI) is associated with a range of cognitive and motor deficits, and poses a significant personal, societal, and economic burden. Rehabilitation programs are available that target motor skills or cognitive functioning. In this review, we summarize the existing evidence that training may enhance structural neuroplasticity in patients with ABI, as assessed using structural magnetic resonance imaging (MRI)-based techniques that probe microstructure or morphology. Twenty-five research articles met key inclusion criteria...
January 1, 2018: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/29347852/the-patient-categorisation-tool-psychometric-evaluation-of-a-tool-to-measure-complexity-of-needs-for-rehabilitation-in-a-large-multicentre-dataset-from-the-united-kingdom
#20
Lynne Turner-Stokes, Christian U Krägeloh, Richard J Siegert
PURPOSE: This first psychometric evaluation of the Patient Categorisation Tool examined its properties as an instrument to measure complexity of needs in a mixed population of patients presenting for specialist neurorehabilitation. MATERIALS/METHODS: Analysis of a large multicentre cohort of patients (n = 5396) from the national clinical dataset representing 63 specialist rehabilitation services across England. Structural validity was examined using exploratory and confirmatory factor analysis...
January 18, 2018: Disability and Rehabilitation
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