Motor Excitability Study of High Definition Transcranial Direct Current Stimulation (HD-tDCS) in Chronic Stroke


Phase N/A Results N/A

Eligibility Criteria

Inclusion Criteria

1. Sufficient cognition to follow simple instructions, as well as understand the content and purpose of the experiment;
2. Have moderate to severe motor disability at the paretic upper limb (assessed by Fugl-Meter Assessment (FMA), and Action Research Arm Test (ARAT));
3. Hemiparesis resulting from a single unilateral lesion of the brain with onset at least 6 months before data collection

Exclusion Criteria

1. Severe hand spasticity, open hand wound or hand deformity;
2. Visual field deficits;
3. Aphasia, neglect, and apraxia;
4. History of alcohol, drug abuse or epilepsy;
5. Bilateral infracts;
6. Uncontrolled medical problems;
7. Serious cognitive deficits [Mini-Mental State Examination (MMSE) < 21];
8. Major depression
9. Metal implants inside body
10. MRI, TMS and tDCS contraindications