Answer:
thiamin / Wernicke-Korsakoff
Explanation:
Korsakoff's psychosis is one of the most frequent causes of amnesia. It is characterized by mental confusion, deterioration of recent memory and collusion. It is due to thiamine deficiency. This pathology may occur preceded by Wernicke's encephalopathy, making it a generally underdiagnosed syndrome. Korsakoff's psychosis is one of the ways in which Wernicke's disease occurs