we'll be discussing the new book "projections: a story of human emotions." 9 professor deisseroth has spent his life pursuing truths about the human mind as a renowned psychiatrist and researcher creating the revolutionary field of optic genetics. " projections" tells a larger story about the material origins of human emotion, bridging the gaps between the ancient circuits of our brains and the poignant moments of suffering in our daily lives. "nature" praised the book as a scintillating and moving analysis of the brain and great read. a great privilege to turn it over to our speakers. the digital podium is yours, karl and catherine are. >> thank you. >> thank you very much. you. to put these into context how i heard about your book. i know you as a collie, a neuroscientist, someone who really has revolutionized will talk about this later. we meet a couple of times of year, we talk about the brain, circuitry, behavior, and in one of these zoom meetings that we have we both what to discuss our love for literature, reading and poetry. you told me we were just finishing writing the book.