Efficiency of Repetitive Transcranial Magnetic Stimulation (rTMS) Sessions After a Successful 3 Week-treatment in Fibromyalgia

Inclusion Criteria: * presence of the criteria from the American College of Rheumatology (2010)for fibromyalgia diagnosis, * painful state for more than six months, * visual analogic scale evaluation \> or = 5, * age between 18 and 70, * no modification in therapeutic treatment one month before and during the protocol * presence of actual or prior antalgic chronic treatment : pregabalin, duloxetine, milnacipran, gabapentin, venlafaxine, laroxyl, grade 1 or 2 antalgic * residence in Limoges or the periphery, or the ability to come to the hospital for the treatment Exclusion Criteria: * presence of non stabilized psychiatric comorbidity (personality trouble, addiction, suicide attempt, non controlled affective trouble), * active epilepsy, * previous cerebral traumatism, or cerebral surgery, intra-cranial hyper tension, * pacemaker, metallic pieces in the brain, cochlear ocular implant, or any metallic material contra indicating magnetic resonance imaging. * clozapine, bupropion, methadon, theophyllin, or other non chemical antalgic technic established during the previous month(kinesitherapy, relaxation, hypnosis...), * pregnancy, or administrative and judiciary protection, absence of health insurance.