Inclusion criteria:
The people assigned to the groups must have the entry criteria, which include: having a history of one year of treatment under the supervision of a rheumatic disease specialist and having a medical record, not having a mental disorder and not abusing drugs and drug addiction, the desire to Participation in research.
Exclusion criteria:
Exclusion criteria for participants: medical diseases in the last 6 months, cardiovascular diseases, use of illegal drugs in the last 30 days, psychotic disorder, bipolar disorder, clinically significant suicidal thoughts, previous seizures, current pregnancy, attempt to Being pregnant, current breastfeeding, active alcohol use disorder, metal in the head, implanted electromedical device, brain injury with loss of consciousness longer than five minutes, and previous exposure to tdcs.