People with neurological diseases can experience sexual disorders that can affect their quality of life. There are cognitive treatments to improve these aspects, but their effectiveness is not clear. The aim of this study is to test the potential efficacy of two treatments (mindfulness and sezual therapy) in two neurological populations (patients with multiple sclerosis and patients with spinal injury). To verify the effects of the treatment, questionnaires and brain activity measurements, measured by electroencephalogram, will be used.