Evaluation of Deep Brain Stimulation (DBS) of the Right Operculum 3 (OP3) in Permanent Non-pulsatile Disabling Tinnitus (TINNOP3-DBS)

Inclusion Criteria: 1. Between 18 and 75 years old, 2. Uni or bilateral permanent non-pulsatile tinnitus, without associated vestibular pathology, with or without hearing loss, 3. Severe tinnitus resistant to treatment failure, 4. Tinnitus intensity on the Visual Analog Scale (VAS) ≥ 7, 5. Presenting a quality of life score on the Tinnitus Handicap Inventory (THI) questionnaire\> 76 (= grade 5), 6. Social security affiliates or beneficiaries of such a scheme 7. Informed and written consent signed by the patient. Exclusion Criteria: 1. Vestibular dysfunction (balance disorder), 2. Epilepsy, 3. Intercurrent serious pathology, 4. Brain tumor, 5. Contraindication to surgery or anesthesia, 6. History of cerebral infection with herpesvirus, 7. With a contraindication to the practice of MRI, MEG, Computerized Tomography (CT) scan, 8. Under anticoagulants and antiaggregants (Anti vitamin K, low molecular weight heparin, aspirin and derivatives, clopidogrel antiplatelet agents and assimilated, new oral anticoagulants (NACO)) for which a therapeutic window can not be opened within 3 months before and after the surgery, 9. Included in another therapeutic protocol, 10. Progressive dementia or psychiatric illness, 11. Presenting a suicidal risk deemed important for less than 3 months (Montgomery and Asberg depression scale (MADRS): suicidality item (item 10) score\> 2), 12. Enforced hospitalisation, 13. Pregnant, parturient or breastfeeding, lack of contraception in patients with the capacity to procreate, 14. Subject to a legal protection measure, 15. Deprived of liberty by judicial or administrative decision, 16. Isolated patient without any contact in case of emergency.