Optimized tDCS for Fibromyalgia: Targeting the Endogenous Pain Control System

Exclusion Criteria

• •1. Clinically significant or unstable medical or psychiatric disorder,
• •2. history of substance abuse within the past 6 months as self-reported (if subject reports a history of substance abuse, we will confirm using DSM V criteria),
• •3. Previous significant neurological history (e.g., traumatic brain injury), resulting in neurological deficits, such as cognitive or motor deficits, as self-reported,
• •4. Previous neurosurgical procedure with craniotomy,
• •5. Severe depression (If a patient scores \>30 on the Beck Depression Inventory, one will obtain clearance. If one does not pass the medical clearance, one will not be included in the study)
• •6. Pregnancy (as the safety of tDCS in pregnant population (and children) has not been assessed (though risk is non-significant), the investigators will exclude pregnant women (and children). Women of child-bearing potential will be required to take a urine pregnancy test during the screening process and at every week of stimulation),
• •7. Current opiate use in large doses (more than 30mg of oxycodone/hydrocodone or 7.5mg of hydromorphone (Dilaudid) or equivalent),
• •8. Patients will be excluded when they have increased risk for exercise