A 45 year male with a history of alcohol dependence presents with confusion, nystagmus and ataxia. Examination reveals 6th cranial nerve weakness. He is most likely to be suffering from :
Confusion, nystagmus, ataxia and 6th cranial nerve weakness in an alcohol dependent patient suggest the diagnosis of Wernicke's encephalopathy.
Korsakoff's psychosis
Wernicke encephalopathy
DeClerambault syndrome
Delirium tremens