*) Jean-Martin Charcot.
A 0 to 10 scale that measures the severity of this disease considers eight functional systems and is called the EDSS. Uhthoff's phenomenon is the worsening of this condition's symptoms with increased body temperature. Drugs like Avonex and Rebif, which are forms of interferon beta-1a, are used to treat this disease. Symptoms of this disease can include tremors and nystagmus, which are part of a triad named for the first man to describe this disease, (*) Jean-Martin Charcot. The scars that form in this disease are partially due to the destruction of oligodendrocytes. For 10 points, identify this autoimmune condition in which the conduction of signals between neurons is impaired due to the degradation of myelin sheaths.
A 0 to 10 scale that measures the severity of this disease considers eight functional systems and is called the EDSS.
multiple sclerosis [prompt on "demyelination" until the giveaway]