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Hand motor cortical area reorganization in stroke
1998
NeuroReport
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THE anatomical and functional correlates of the hand sensorimotor areas was investigated in a stroke patient with a malacic lesion in the left fronto-parieto-temporal cortex. ...
The patient presented hemiplegia and motor aphasia 12 months earlier, followed by an excellent motor recovery. ...
Neuroimaging in post-stroke brain reorganization
Discussion Mapping motor and somatosensory cortical areas through focal TCS and MEG is useful to investigate hand representation and to detect interhemispheric ...
doi:10.1097/00001756-199806220-00043
pmid:9674609
fatcat:g7q52qcefzdrlpvfwz3wtd5sdm
Neuronal post-stroke plasticity in the adult
2004
Restorative Neurology and Neuroscience
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stages after a brain tissue lesion has occurred and stabilized. ...
The mechanisms subtending post-stroke recovery are probably complex and operating at different levels, from molecular to synaptic to anatomical reorganization. ...
Mapping motor and somatosensory cortical areas through TMS, fMRI, PET, EEG and MEG is useful to investigate hand representation and to detect interhemispheric asymmetries in normal subjects and in patients ...
pmid:15502265
fatcat:ouhpkgax2vgkjgl64vregcgbfe
Magnetoencephalography in Stroke Recovery and Rehabilitation
2016
Frontiers in Neurology
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MEG might, however, also be of help in monitoring stroke recovery and rehabilitation. This review focuses on experimental use of MEG in neurorehabilitation. ...
Magnetoencephalography (MEG) is a non-invasive neurophysiological technique used to study the cerebral cortex. ...
As a proof, Wang and colleagues found that this property predicts motor hand recovery in stroke (11) . ...
doi:10.3389/fneur.2016.00035
pmid:27065338
pmcid:PMC4815903
fatcat:mgy4fwettjdsdaxo3oxunxcuga
Cortical Mechanisms of Mirror Therapy After Stroke
2014
Neurorehabilitation and Neural Repair
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We studied patients with a wide range of impairment and also a varying amount of time after stroke. ...
Indeed, a number of non-invasive brain stimulation studies have attempted to reverse this imbalance and so facilitate recovery after stroke by reducing excitability in contralesional motor cortex. ...
doi:10.1177/1545968314554622
pmid:25326511
fatcat:hv4eseveovcgvoymeebb5lt6vu
Bibliographic survey of the clinical application of magnetoencephalography (II): stroke
脳磁図の臨床応用に関する文献レビュー (第2報) : 虚血性脳血管障害
2012
Japanese Journal of Clinical Neurophysiology
脳磁図の臨床応用に関する文献レビュー (第2報) : 虚血性脳血管障害
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Neuroimage 14: 474 485, 2001. 17 Tecchio F, Zappasodi F, Tombini M, et al: Interhemispheric asymmetry of primary hand representation and recovery after stroke: a MEG study. ...
Neurosci Lett 416: 310 314, 2007. 12 Altamura C, Torquati K, Zappasodi F, et al: fMRI-vs-MEG evaluation of post-stroke interhemispheric asymmetries in primary sensorimotor hand areas. ...
The present study reviewed MEG studies of cerebral stroke using internet searches of the bibliography to identify scientific evidence for the clinical effectiveness of MEG. ...
doi:10.11422/jscn.40.195
fatcat:spq55vmmazfqvhr3xyyeqsqc3q
Biomarkers and Predictors of Restorative Therapy Effects After Stroke
2013
Current Neurology and Neuroscience Reports
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Limitations of published studies include a focus on chronic stroke, however the brain is most galvanized to respond to restorative therapies in the early days post-stroke. ...
Multimodal approaches might be the most robust approach for stratifying patients and so for optimizing prescription of restorative therapies after stroke. ...
Acknowledgments This work was supported by grants R01 NS058755 and NIH/NCRR 1ULRR031985. ...
doi:10.1007/s11910-012-0329-9
pmid:23299824
pmcid:PMC3580200
fatcat:g5lsfxxjkbhiljoyxrfolyqw5q
Cerebral Plasticity After Subcortical Stroke as Revealed by Cortico-Muscular Coherence
2009
IEEE transactions on neural systems and rehabilitation engineering
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The interhemispheric spatial displacement was also calculated using electrodes projection optimization and spherical surface laplacian. ...
The results showed that the CMCoh could help investigate the cerebral reorganization after stroke. ...
Lin, and M. Pohja for their valuable suggestions. The authors would also like to thank the staff of the Applied Cognitive Neuroscience Laboratory of Hong Kong Polytechnic University. ...
doi:10.1109/tnsre.2008.2006209
pmid:19273041
fatcat:7qhtvfci3napplgbvybrt4fttu
Adaptive Plasticity in the Healthy Language Network: Implications for Language Recovery after Stroke
2016
Neural Plasticity
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We conclude with a critical discussion on the potential of NIBS to facilitate language recovery after stroke and propose a phase-specific model for the application of NIBS in language rehabilitation. ...
A large number of studies applied transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS) in the healthy brain to probe the functional relevance and interaction of specific ...
to enhance recovery of language function after stroke-induced brain lesions. ...
doi:10.1155/2016/9674790
pmid:27830094
pmcid:PMC5088318
fatcat:qqmwczphgneztao62jbi2stbkq
Improvement in Touch Sensation after Stroke is Associated with Resting Functional Connectivity Changes
2015
Frontiers in Neurology
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Objective: We aimed to identify how recovery of somatosensory function in the first 6 months after stroke was associated with functional network changes as measured using resting-state connectivity analysis ...
after stroke and changes in functional brain connectivity. ...
(16) used magnetoencephalography (MEG) to study 18 patients at the acute (5 days) and post-acute (6 months) stages after stroke. ...
doi:10.3389/fneur.2015.00165
pmid:26284024
pmcid:PMC4521505
fatcat:5ui34x5qqzhi7c4rwcrnzyr2ha
Multiscale topological properties of functional brain networks during motor imagery after stroke
2013
NeuroImage
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2013 pre-print arXiv:1306.5262v1 fatcat:vkjefbay4rakvfccoby6glveta
In the beta (13-30 Hz) frequency band, the MI of the affected hand (Ahand) elicited a significantly lower smallworldness and local efficiency (Eloc) versus the unaffected hand (Uhand). ...
However, many studies have often focused on single topological scales, leading to an incomplete model of how focal brain lesions affect multiple network properties simultaneously and how changes on smaller ...
This paper only reflects the authors' views; funding agencies are not liable for any use that may be made of the information contained herein. ...
doi:10.1016/j.neuroimage.2013.06.039
pmid:23791916
fatcat:ay5jype6ebgw7ghwxvltrr36sa
Neurophysiological markers of plastic brain reorganization following central and peripheral lesions
2014
Archives Italiennes de Biologie
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In this review we analyze stroke and amputees studies, as illustrative conditions of central and peripheral nervous system damage, and discuss the adaptive as well maladaptive plastic brain changes following ...
Brain plasticity involves distinct functional and structural components and plays a crucial role in reorganizing central nervous system's networks after central and peripheral lesions in order to partly ...
Acknowledgements This work was supported in part by the Italian Institute of Health Grant GR-2008-1143091 (to F.F.). ...
doi:10.12871/00039829201443
pmid:25987182
fatcat:6b2btuei7vg2vpakcpywyq4e5m
Measurement of sensory deficiency in fine touch after stroke during textile fabric stimulation by electroencephalography (EEG)
2020
Journal of Neural Engineering
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Sensory deficiency of fine touch limits the restoration of motor functions after stroke, and its evaluation was seldom investigated from a neurological perspective. ...
The neural responses of individuals with fine touch impairments after stroke were characterized by a shifted power spectrum to a higher frequency band, enlarged sensory cortical areas and higher RSP intensity ...
Acknowledgments The authors would like to thank the participants who participated in this study. This project was funded by NSFC 81771959 and PolyU YBWP. ...
doi:10.1088/1741-2552/aba160
pmid:32613946
fatcat:nl6bc47xfng2jnejh55ropi2r4
Alteration and reorganization of functional networks: a new perspective in brain injury study
2011
Frontiers in Human Neuroscience
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In this article, we review studies investigating functional connectivity changes after brain injury and subsequent recovery, providing an accessible introduction to common mathematical methods to infer ...
Recently several studies have shown how functional connections among the brain areas are severely altered by brain injury and plasticity leading to a reorganization of the networks. ...
This work has been supported by MADRI.B (CAM i+d+I project), Obra Social CajaMadrid, MAPFRE 2009, IMSERSO (07-2008 projects and Spanish ministery of Science and Innovation (PCI2009-14415-CO3-01). ...
doi:10.3389/fnhum.2011.00090
pmid:21960965
pmcid:PMC3177176
fatcat:nzhxqdsbvbcohaa2rzqkgfxdzu
Oral Presentations
2000
Stroke
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It is ideally suited as a diagnostic study in pts. with acute stroke. qCBF may be an effective physiologic marker for the identification of patients at high risk for SHC and/or CH after thrombolytic therapy ...
Methods and results: We conducted a prospective outcome study of patients with acute ischemic stroke (IS) admitted to hospital within 6 hours of symptom onset. ...
We evaluated 4 patients within 24 hours after onset of stroke, of whom one underwent emergency carotid endarterectomy because of insufficient collateral flow. ...
doi:10.1161/01.str.31.1.275
fatcat:kzhua4mnzjcp3pqzu4rdidt3qu
Does cerebrovascular disease affect the coupling between neuronal activity and local haemodynamics?
2004
Brain
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All patients showed clear MEG signals in both the affected and unaffected hemispheres, indicating well synchronized, stimulus-locked ®ring of neurons in the primary sensorimotor cortex, but some patients ...
= magnetoencephalography; MFV = mean¯ow velocity; NIH = National Institutes of Health stroke scale; PVCs = periventricular changes; rCBF = regional cerebral blood¯ow; ROI = region of interest; SEF = somatosensory ...
This work was partially supported by a grant from the Italian Ministry of Research to the Centre of Excellence on Aging of the University of Chieti. ...
doi:10.1093/brain/awh012
pmid:14570819
fatcat:jstgj7kklrcprgpk5ndvxcx3ye
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