For people with Highly Superior Autobiographical Memory every day is memorable. Ask them what they were doing on this date 10 years ago, and they’ll be able to tell you. Markie Pasternak, one of the youngest people identified with HSAM, and Michael Yassa, PhD, talk about what it’s like to have this ability, what we know about how the brains of people with HSAM store and retrieve vast amount of autobiographical information, and what studying this unique ability can teach us about how memory works.