The main objective of this study is to demonstrate that 15 transcranial direct current stimulation (tDCS) sessions of 30 minutes at 2 mA intensity are effective to reduce suicidal ideation
Age over 18 years
Written informed consent
Diagnosis of recurrent or isolated depressive episode according to DSM IV criteria (A.P.A. 1994).
Stable antidepressant treatment for 3 weeks
Depression with psychotic features Axis I (DSM IV) co-morbid diagnosis of schizophrenia, alcohol and/or other substance dependence (or abuse) (lifetime)
Patient who has already undergone an electroconvulsive therapy course for the current episode and does not respond to this treatment
Patient deprived of liberty
Patient with high suicide risk (item 10 MADRS > 4) in the absence of hospitalization