<prompt> Korsakoff syndrome true isare:Can be seen in chronic alcoholicsAbsence of intellectual declineChronic amnestic syndromeAll of the above  <response>: Korsakoff syndrome is due to thiamine deficiency. Apa from alcoholism, malnutrition can also cause it. Korsakoff syndrome Chronic neurological complication of long term alcohol use a. Amnesia - Anterogrademc retrograde b. Learning difficulties c. Confabulations Rx vitamin B1 oral Thiamine for 3 to 12 months only 20 recover with treatment. 