Abstract: A system for brain stimulation of a patient is provided, the system having an implantable stimulator, at least one sensor component for acquiring at least one measure indicative of patient's mood, and at least one implantable stimulation electrode, designed for providing electrical pulses stimulating inside the patient's brain. The at least one stimulation electrode is connectable, through an implantable connector, to the implantable stimulator, the implantable stimulator having at least one programmable channel for conducting the electrical stimulation pulses to the at least one stimulation electrode, and being adapted for receiving continuous input signals from the at the least one sensor component. The system also has a computational unit for processing the at least one measure, and a patient's body external control interface (5) for patient and/or physician interactions.