Steve Ramirez is an American neuroscientist and professor at Boston University. His research focuses on the neural mechanisms of memory, emotion, and cognition, using techniques such as optogenetics to investigate how memories are formed, stored, and modified. His work has advanced understanding of memory processing and has important implications for the treatment of conditions including depression, post-traumatic stress disorder, and Alzheimer's disease. His best-known book, "Memory Makers", explores the latest discoveries in neuroscience and explains how memories shape our identities, emotions, and decisions.