Korsakoff's psychosis is seen in?

Ans: A i.e. Alcohol withdrawalKorsakoff syndrome is an amnestic disorder caused by thiamine (vitamin B1) deficiency associated with prolonged ingestion of alcoholConditions resulting in thiamine deficiency and its effects include chronic alcoholism and severe malnutrition.Alcoholism may co-occur with poor nutrition, which in addition to inflammation of the stomach lining, causes thiamine deficiency.Other causes include dietary deficiencies, prolonged vomiting, eating disorders, and the effects of chemotherapy.It can also occur in pregnant women who have a form of extreme morning sickness known as hyperemesis gravidarum. Mercury poisoning can also lead to Korsakoff's syndrome