Jonathan Rolley isn’t just talking about ad performance — he’s measuring what happens inside your brain when you watch one. In this episode, the founder of Undivided shares how a life-altering brain tumor launched him on a mission to decode how memory, emotion, and decision-making actually work. You’ll learn why most brand campaigns fail to stick, how neuroscience can predict effectiveness, and why true marketing mastery lies in triggering the right chemical reactions. If you want to make your brand unforgettable — this one is unmissable.