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In this study the effect of tDCS intensity on motor performance and corticospinal (CS) excitability is evaluated. The investigators expect that a positive relationship between current intensity and motor performance/CS excitability.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Low intensity anodal tDCS | Active Comparator | tDCS will be administered for 10 min at 1mA |
|
| High intensity anodal tDCS | Experimental | tDCS will be administered for 10 min at 2.5mA |
|
| Sham tDCS | Sham Comparator | Sham will be administered for 10 min at 0 mA |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| transcranial direct current stimulation (tDCS) (NeuroConn DC-stimulator) | Device | The anode is fixed on the primary cortex and the cathode will be fixed on the contralateral supraorbital region. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in motor performance | motor performance is assessed using different reaction time paradigms (simple reaction time, choice reaction time). This is done at baseline and immediately after the intervention (30 min after baseline) | Baseline and POST (30 min after baseline) intervention |
| Change in cortical excitability | Cortical excitability is measured using trancranial magnetic stimulation (TMS) measuring muscle evoked potentials (MEPs) at baseline and POST (30 min after baseline). | Baseline and POST (30 min after baseline) intervention |
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Inclusion Criteria:
- Healthy subjects
Exclusion Criteria:
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| ID | Term |
|---|---|
| D065908 | Transcranial Direct Current Stimulation |
| ID | Term |
|---|---|
| D004599 | Electric Stimulation Therapy |
| D013812 | Therapeutics |
| D003295 | Convulsive Therapy |
| D013000 | Psychiatric Somatic Therapies |
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|
| D004191 | Behavioral Disciplines and Activities |
| D004597 | Electroshock |
| D011580 | Psychological Techniques |