An alcoholic patient with chronic thiamine deficiency shows CNS manifestations, and also show memory loss and confabulatory psychosis, is suffering from:

Alcoholic patients with chronic thiamin deficiency shows CNS manifestations known as Wernicke’s encephalopathy, which consists of horizontal nystgmus, opthalmoplegia, cerebral ataxia and mental impairment. Along with the above-mentioned symptoms, if there is loss of memory and confabulatory psychosis, it is known as Wernicke-Korsa Koff Syndrome.