31. The more severe forms of encephalopathy are usually fatal. 32. This syndrome presents with two conditions, Wernicke s encephalopathy and Korsakoff psychosis. 33. Typically Wernicke s encephalopathy proceeds symptoms of Korsakoff psychosis. 34. It has been used to treat hepatic encephalopathy and traveler's diarrhea. 35. Diseases associated with this family include : viral encephalopathy and retinopathy in fishes. 36. Defects in three of these four genes have been linked to glycine encephalopathy . 37. The impairment of cerebral blood flow that underlies hypertensive encephalopathy is still controversial. 38. Patients with hepatic encephalopathy have been recorded to have elevated serum oxindole levels. 39. Mutations in this gene also cause a Wernicke's-like encephalopathy . 40. Bovine spongiform encephalopathy was only discovered in 1986.