This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Substance Abuse, Subject name: Psychiatry
The following is a feature of Korsakoff's psychosis: 
Select and explain. 
A. Confabulation, B. Encephalopathy, C. Ophthalmoplegia, D. Hallucination
A: Confabulation
Answer: A: Confabulation 
Explanation: Ans. a. ConfabulationRef: Kaplan Step 2 CK Lecture Notes 2018 of Psychiatry;WERNICKE VERSUS KORSAKOFF SYNDROMES Wernicke syndromesKorsakoff syndromesCourseAcuteChronicReversibilityYesNoPresentationAtaxia, nystagmus, and ophthalmoplegiaConfusion, psychosis, anterograde and retrograde amnesiaTreatmentThiamineThiamine