What is the medical term meaning degenerative brain disease?

The medical term for degenerative brain disease is encephalopathy. It is a general term used to describe a condition in which the brain deteriorates and loses its function. Encephalopathy can be caused by a variety of factors, including trauma, infection, toxins, and metabolic disorders. Common symptoms of encephalopathy include confusion, memory loss, impaired speech, motor dysfunction, and changes in personality. Treatment for encephalopathy depends on the underlying cause.