Complex sentence: Hyperthymesia or hyperthymesitic syndrome refers to superior autobiographical memory, the type of memory that forms people's own life story, the term "thymesia" is derived from the Greek word "thymesis," meaning memory.
Split into simpler sentences: Hyperthymesia or hyperthymesitic syndrome refers to superior autobiographical memory, the type of memory that forms people's own life story. The term "thymesia" is derived from the Greek word "thymesis," meaning memory.