<prompt> Dawson disease is:SSPEAcute disseminated encephalomyelitisNeuromyelitis opticaMultiple Sclerosis  <response>: Dawson disease SSPE Subacute Sclerosing pan encephalitis Late complication of measle virus which can causes myoclonus at 8 years of age Multiple Sclerosis- Dawson Fingers: MRI head Neuromyelitis Optica- Anti aquaporin - 4 Ab - T. Myelitis Optic neuritis 