Encephalopathy is a general term used to encompass brain disease, damage, or malfunction is often presented with altered mental states. Causes include but are not limited to infections, toxin exposure, trauma, alcoholic cirrhosis, kidney failure, and/or anoxia.
Davis, Charles P, MD, PhD., Stoppler, Melissa C, MD. Encephalopathy. Medicine Net. https://www.medicinenet.com/encephalopathy/article.htm#encephalopathy_facts