Remembering past events in minute detail, revisiting them methodically, and reliving past emotions—this is the peculiarity of people with an exceptional memory of their own lives, known as autobiographical hypermnesia, or hyperthymesia. This fascinating condition remains poorly understood, and each new case contributes to our understanding. In a recent article in Neurocase, researchers from Paris Brain Institute and the Memory, Brain, and Cognition Laboratory (LMC²) in Paris describe the e...