leading cognitive neuroscientist, discusses the intricacies of cognitive function, brain plasticity, and the concept of cognitive reserve. He explains how cognitive reserve can help individuals cope with brain changes due to aging and neurodegenerative diseases. The discussion also delves into the factors influencing cognitive reserve, including genetics, life experiences, and education. Dr. Stern emphasizes the importance of maintaining an active lifestyle, engaging in cognitive activities, and fostering social connections to enhance cognitive reserve and overall brain health.