Exploration of Parameters of Transcranial Direct Current Stimulation (tDCS) in Chronic Pain

Exclusion Criteria

• •1. Pregnancy
• •2. Contraindications to tDCS
• •* metal in the head
• •* implanted brain medical devices
• •3. History of alcohol or drug abuse within the past 6 months as self reported
• •4. Use of carbamazepine within the past 6 months as self reported.
• •5. Severe depression (with a score of \>30 in the Beck Depression Inventory)
• •6. History of neurological disorders as self reported.
• •7. History of unexplained fainting spells as self reported,
• •8. History of head injury resulting in more than a momentary loss of consciousness as self reported
• •9. History of neurosurgery as self reported