Parkinson's disease, Stroke, Dementia, Brain tumor, Epilepsy, Vasculitis, Seizure , Lymphoma, Antiphospholipid syndrome..., Meningitis, Multiple sclerosis, Transverse myelitis, Guillain Barre syndrome, Neuromyelitis optica, Myasthenia gravis, Paraneoplastic syndromes of the nervous system, Encephalitis, Autoimmune encephalopathy, Neurosarcoidosis, Myelopathy