Investigating Visuo-spatial Abilities and Psychological Effects in West Nile and Multiple Sclerosis Patients with a Focus on a Possible Rehabilitation Protocol

This study is investigating how people with multiple sclerosis or West Nile virus infection are affected in their spatial thinking and psychological wellbeing, and whether a rehabilitation program may help. **You may be eligible if...** - You have been diagnosed with multiple sclerosis OR confirmed West Nile virus infection within the past 12 months - You have use of at least one hand - You have normal vision or corrected-to-normal vision (glasses/contacts are fine) **You may NOT be eligible if...** - You have a history of psychiatric disorders or other neurological conditions - You are unable to give informed consent - You have difficulty understanding spoken instructions Talk to your doctor to see if this trial is right for you.