Effects of rTMS and tDCS on Motor Function in Stroke


Phase N/A Results N/A

Eligibility Criteria

Inclusion criteria:
(1) All subjects must be between the ages of 18-90.
Exclusion criteria:
1. History of Major depression, as defined by Beck Depression scale 30;
2. Any substantial decrease in alertness, language comprehension, or attention that might interfere with understanding instructions for motor testing;
3. Contraindications to TMS
- history of seizures
- unexplained loss of consciousness
- metal in the head
- frequent or severe headaches or neck pain
- implanted brain medical devices.
4. Contraindications to tDCS
- metal in the head
- implanted brain medical devices
5. Advanced liver, kidney, cardiac, or pulmonary disease;
6. A terminal medical diagnosis consistent with survival < 1 year;
7. Coexistent major neurological or psychiatric disease (to decrease number of confounders);
8. A history of significant alcohol or drug abuse in the prior 6 months;
9. Subjects may not be actively enrolled in a separate intervention study targeting stroke recovery and any other clinical trials;
10. Subjects with global aphasia and deficits of comprehension
11. Pregnancy. Female subjects of child bearing potential will be asked to take a pregnancy test. If the pregnancy test is positive, the subject may not enroll in the study.
12. Use of neuropsychotropic medications [healthy subjects only]
Additional inclusion criteria for stroke subjects:
1. First-time clinical ischemic or hemorrhagic cerebrovascular events - evidenced by a radiological (or physician's) report
2. Weakness, defined as score of less than 55 (out of 66) on arm motor Fugl-Meyer (FM) scale
3. Stroke onset >6 months prior to study enrollment .
Additional exclusion criteria for stroke subjects:
1. Subjects may not have already received TMS and/or tDCS stimulation for stroke;
2. History of epilepsy before stroke or episodes of seizures within the last six months;