Wernicke&;s encephalopathy involves: (A) Mammillary body, (B) Thalamus, (C) Frontal lobe, (D) Arcuate fasciculus
Answer is A. Wernicke's encephalopathy : The neuropathological lesions are symmetrical and paraventricular, involving the mammillary bodies, the thalamus, the hypothalamus, the midbrain, the pons, the medulla, the fornix, and the cerebellum. Ref: Synopsis of Psychiatry, 11th edition, page 632.