Lumbar puncture, Autoimmune encephalitis, Mild cognitive impairment, Dementia, Alzheimer's disease, Progressive supranu...clear palsy, Frontotemporal dementia, Posterior cortical atrophy, Primary progressive aphasia, Encephalitis, Lewy body dementia, Creutzfeldt Jakob disease, Normal pressure hydrocephalus, Corticobasal syndrome, NMDA receptor antibody encephalitis, Wernicke-Korsakoff syndrome