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Effect of Multisite High-definition Transcranial Direct Current Stimulation Targeting Sensorimotor Network

RecruitingNAAges any - anyAllChinese University of Hong Kong
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In plain words

What the trial is, and whether it could suit you

Transcranial direct current stimulation (tDCS) has been applied to facilitate cortical excitability in stroke populations, as increasing evidence suggests that clinical recovery from stroke is attributed to neuroplastic reorganization. However, recovery from stroke following this kind of non-invasive neuromodulation remains divergent across stroke patients due to variations in their etiologies, lesion profiles and post-stroke duration. A novel multisite high definition tDCS (HD-tDCS) in healthy people showed that such network-targeted stimulation could enhance motor excitability beyond conventional stimulation which targeting only one region. The electrode placements could be determined by the montage optimization, which targets individual motor network activation navigated by task-based fMRI using computation algorithms. By targeting motor network, the new multisite electrode montage

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๐Ÿ“‹ Eligibility rules (as published)
Inclusion Criteria: 1. first-ever stroke, the duration after stroke exceeds 12 months; 2. mild to moderate upper extremity motor function deficit, determined by the Fugl-meyer assessment of upper extremity (FMAUE) scores between 15 and 53; 3. could voluntarily perform grasping hand movement. 4. sufficient cognitive function to follow the assessment and experiment instructions. Exclusion Criteria: 1. history of epilepsy, or any other contradictions of brain stimulation and MRI scanning; 2. severe joint contracture of elbow or shoulder, or pain induced by any other neurological, neuromuscular, and orthopedic diseases.
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What it tests

  • multisite HD-tDCS
  • Conventional tDCS
  • Sham stimulation
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Where

1 site
Department of Biomedical Engineering, The Chinese University of Hong Kong
Hong Kong, Hong Kong
๐Ÿค Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible โ€” always decide together with your own doctor.
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