Which of the following is not involved in Wernicke's Korsakoff psychosis-
Ans. is 'd' i.e., Hippocampus o Hippocampus is not involved in Wernicke 's korsakoff syndromeo The areas commonly affected include the:-# Medial dorsal thalamic nucleus# Mammillary bodies# Periaqueductal grey matter# Floor of the fourth ventricle which include the occular motor and vestibular nuclei.o The lesions of wernicke's encephalopathy occur in a characteristic symmetrical distribution in structures surrounding the third ventricle, aqueduct and the fourth ventricle.# Mamillary bodies are involved in virtually all cases and the dorsomedial thalamus, locus ceruleus, periaqueductal gray, occular motor nuclei and vestibular nuclei are commonly affected.
Mamillary body
Thalamus
Periventricular Grey matter
Hippocampus
Miscellaneous (C.N.S.)