Korsakoff's syndrome

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A syndrome of severe mental impairment characterized by loss of coordination, disorientation, and memory loss for which the patient compensates by confabulation. It is associated with thiamine deficiency, often caused by chronic alcoholism.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun pathology A form of amnesia that is seen in chronic alcoholics coupled with nutritional deficits.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun dementia observed during the last stages of severe chronic alcoholism; involves loss of memory for recent events although long term memory is intact