Wernicke&;s encephalopathy involves
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.
Mammillary body
Thalamus
Frontal lobe
Arcuate fasciculus
Substance abuse