Q: What is Klüver-Bucy syndrome (KBS)?
Answer: Klüver-Bucy syndrome (KBS) is one of the behavioral manifestations which may occur in Herpes Simplex Virus (HSV) encephalitis. As HSV has affinity to temporal lobe and limbic system, this syndrome manifests with some interesting symptoms like loss of normal anger and fear responses, accompanied by hypersexual activity. KBS is also known as "psychic blindness."
Hart RP, Kwentus JA, Frazier RB, Hormel TL. Natural history of Klüver-Bucy syndrome after treated herpes encephalitis. South Med J 1986; 79:1376.