eidolon (plural eidola or eidolons) 1  An image or representation of an idea; a representation of an ideal form; an apparition of some actual or imaginary entity, or of some aspect of reality. 2  A phantom, a ghost or elusive entity.
Neuroleptics can also cause demyelination. Demyelinating diseases are traditionally classified in two kinds: demyelinating myelinoclastic diseases and demyelinating leukodystrophic diseases. In the first group a normal and healthy myelin is destroyed by a toxic, chemical or autoimmune substance.In the second group, myelin is abnormal and degenerates.euroleptics can also cause demyelination. Demyelinating diseases are traditionally classified in two kinds: demyelinating myelinoclastic diseases and demyelinating leukodystrophic diseases. In the first group a normal and healthy myelin is destroyed by a toxic, chemical or autoimmune substance.
MS is a chronic disease where demyelination occurs in the white matter of the brain and in the spinal cord. In areas where myelin is under attack by the immune system, lesions or âplaquesâ form. These plaques are scar tissue. The name âsclerosisâ means scar.nflammation is the most common cause of myelin damage. Other causes include: 1  inflammation. 2  infection with certain viruses. 3  metabolic problems. 4  loss of oxygen. 5  physical compression.