How does the brain decide what to remember and what to forget , even while you sleep? Memory researcher Lluís Fuentemilla reveals that targeted reactivation during slow-wave sleep can boost or suppress specific memories, and that the sleeping brain actively distinguishes between competing memory traces using different neural signatures. Subscribe for more from the Convergent Science Network podcast series. Lluís Fuentemilla joins Paul Verschure and Tony Prescott to explore the mechanisms by which fleeting experience becomes lasting memory. He frames memory not as a simple recording device but as the function that links moment to moment into continuity , shaping perception, enabling mental time travel, and constructing the self. The conversation centers on the dual-process model of memory consolidation, where a fast hippocampal system captures exp ...