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Title
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Neurobiology of recovery of motor function after stroke : the central nervous system biomarker effects of constraint-induced movement therapy
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Author
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Abstract
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| Recovery of motor function after stroke involves many biomarkers. This review attempts to identify the biomarker effects responsible for recovery of motor function following the use of Constraint-Induced Movement Therapy (CIMT) and discuss their implications for research and practice. From the studies reviewed, the biomarker effects identified include improved perfusion of motor areas and brain glucose metabolism; increased expression of proteins, namely, Brain-Derived Neurotrophic Factor (BDNF), Vascular Endothelial Growth Factor (VEGF), and Growth-Associated Protein 43 (GAP-43); and decreased level of Gamma-Aminobutyric Acid (GABA). Others include increased cortical activation, increased motor map size, and decreased interhemispheric inhibition of the ipsilesional hemisphere by the contralesional hemisphere. Interestingly, the biomarker effects correlated well with improved motor function. However, some of the biomarker effects have not yet been investigated in humans, and they require that CIMT starts early on poststroke. In addition, one study seems to suggest the combined use of CIMT with other rehabilitation techniques such as Transcortical Direct Stimulation (tDCs) in patients with chronic stroke to achieve the biomarker effects. Unfortunately, there are few studies in humans that implemented CIMT during early poststroke. Thus, it is important that more studies in humans are carried out to determine the biomarker effects of CIMT especially early on poststroke, when there is a greater opportunity for recovery. Furthermore, it should be noted that these effects are mainly in ischaemic stroke. |
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Language
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English
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Source (journal)
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Neural plasticity. - New York, 1989, currens
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Publication
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London
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Hindawi ltd
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2020
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ISSN
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2090-5904
1687-5443
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DOI
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10.1155/2020/9484298
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Volume/pages
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2020
(2020)
, p. 1-12
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Article Reference
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9484298
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ISI
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000546129400002
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Pubmed ID
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32617098
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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