Efficacy of tDCS on Pain in Multiple Sclerosis

Inclusion Criteria

• •chronic pain defined as a constant or intermittent sensory symptom with unpleasant feelings or pain, lasting more than 3 months with a minimum score of 3 points on the Numeric Rating Scale (NRS) for pain perception;
• •lack of MS worsening in the three months just before the intervention period;
• •cognitive functioning to give informed consent identified by a Mini-Mental Status Examination (MMSE) score ≥ 24/30.