Association of Transcutaneous Electrical Nerve Stimulation and Hypnosis

Inclusion Criteria: * Patients from 18 to 80 years suffering from chronic no cancer pain either nociceptive or neuropathic. * The treated skin must not be wounded * The patients must be able to comply with the requirement of the trial; they also need to express no objection to participate to this trial. * Patient with social security Exclusion Criteria: * Patients with fibromyalgia, or having relaxation therapy sessions, acupuncture, cognitive and behavioral therapies * Patients with cognitive disorders, an unaided hearing loss, a major hearing impairment, carrying a pace maker, having an allodynia or a complete anesthesia of the painful territory, a large spreader painful territory * Sessions TENS practiced for analgesic by a professional within 3 years prior to inclusion, for the same pain (same features, same location) * Renting at home a TENS device within 3 years prior to inclusion for analgesic * Prior therapeutic care by hypnosis * pregnant woman or having a desire of pregnancy