approach to patient with dementia,approach to patient with aphasia,memory impairment,comatose patient, patient with seizures, patient with syncope,patient with gait disturbances,patient with sleep disorders, visual loss,abnormal pupils, patient with diplopia,patient with facial pain, patient with facial weakness, patient with dizziness and vertigo, patient with hearing loss, patient with dysphagia, dysarthria, ethical issues in neurology, ischemic cerebrovascular disease, hemorrhagic cerebrovascular disease,multiple sclerosis, dementia,sp