The Hi-tACS on Cognitive Function in Patients With Schizophrenia

This study is testing high-definition transcranial alternating current stimulation (a non-invasive brain stimulation technique using mild electrical current) to see if it can improve thinking and memory problems in people with schizophrenia. **You may be eligible if...** - You are 18 or older and have a diagnosis of schizophrenia according to DSM-5 criteria - You are right-handed - Your condition is currently stable and you have been on a steady dose of antipsychotic medication for at least 4 weeks - Your cognitive score on a standard test is 10 or higher **You may NOT be eligible if...** - Your psychotic symptoms are caused by another condition (bipolar disorder, drug use, anxiety disorder, etc.) - You have an unstable psychiatric condition or recent medication changes - You have a history of seizures or brain injury - You have metal implants in the head that would be unsafe with electrical stimulation Talk to your doctor to see if this trial is right for you.