Alzheimer’s Disease / Lewy Body DementiaALSHuntington DiseaseLead poisoningMultiple SclerosisNeuro-myelitis Optica (NMO) / Devic DiseasePosterior reversible encephalopathy syndrome (PRES)Primary Headache DisordersSubacute combined degeneration (B12 deficiency)Wernicke encephalopathy / Korsakoff syndrome