Home-based tDCS for Prevention of Suicidal Ideation

Inclusion Criteria: * age between 18 and 65 years * diagnosis of mood or bipolar disorder registered in the electronic hospital medical record * history of suicidal ideation and/or suicidal behavior at the time of admission registered in the electronic hospital medical record * absent of suicidal ideation at the time of enrollment (defined as questions 1 and 2 of the C-SSRS answered "no") * ability and willingness to provide information and permission to contact at least one person in the case of a need to contact them to promote subject safety or inability to reach the subject for follow-up * a living situation with access to a private space suitable for the administration of the RS-tDCS sessions in the next three weeks * agree to use a medically acceptable form of birth control while receiving the treatment if you are an individual able to become pregnant * living in Monroe County region, as this is the area covered by the Mobile Crisis Team, a URMC psychiatric emergency team serving anyone within Monroe County * device or computer with internet access for a URMC-approved remote RS-tDCS supervision * ability to manage proper use of the device in a practice session Exclusion Criteria: * acute psychiatric instability or substance abuse (e.g., psychotic symptoms, alcohol misuse in the previous three months, use of any illicit drugs in the previous three months) * unstable medical condition with reduction of functional capacity * history of epilepsy or seizures in the last y…