Some of the areas being looked into have to do with genetics, psychosocial risk factors, central nervous system dysfunction and the role of gut bacteria. (verywellhealth.com)
The virus attacks the brain and spinal cord, causing severe nervous system dysfunction and eventually death. (ahna.net)
These disorders are intrinsic to the individual, presumed to be due to central nervous system dysfunction, and may occur across the life span. (psychpage.com)