Alzheimer’s Disease / Lewy Body DementiaALSLead poisoningHuntington DiseaseMultiple SclerosisNeuro-myelitis Optica (NMO) / Devic DiseasePosterior reversible encephalopathy syndrome (PRES)Subacute combined degeneration (B12 deficiency)Wernicke encephalopathy / Korsakoff syndromeNeuro-biology