Effects of Combined Treatment With tDCS and Cognitive Training in Patients With Fibromyalgia

Chronic pain represents an important health problem responsible for decreases in quality of life, and is associated with great negative impact in society and economy. In many cases, its treatment does not reach therapeutic success causing health professionals and patients dissatisfaction. Chronic pain is also associated with somatization, hopelessness and catastrophizing thinking. These information processing includes sensorial, emotional and cognitive-appraisal thinking, which manifests the working of neural networks at cortical and sub-cortical levels. Attention and memory are a central aspect in the processing of pain modulation. Like in addictions (e.g. smoking, alcohol), chronic pain may debut with displacement in the focus of attention and alterations in the sensorial processing in the incentive-motivation tests. Considering that other studies have indicated that experimental and clinical pain is capable of modulating cognitive activities such as attention,memory and expectation, in this study the investigators will test whether cognitive training, tDCS, or the combination of both interventions decrease cognitive deficits associated with Fibromyalgia