<prompt> Acute changes in brain due to wernickes encephalopathy in chronic alcoholics is most frequently seen in:Mamillary bodiesAqueduct of the midbrainAround the third ventricleAround the fouh ventricle  <response>: Acute changes are most frequently seen in the 1. Mamillary bodies And also seen in 2. Around the third and fouh ventricles and 3. Aqueduct of the midbrain. Ref: Thorarinsson BL, S C I E N T I F I C P A P E R O V E R V I E W 