Explore Chapter 5 of a lecture from the 96th Kyoto University Marunouchi Seminar, focusing on "Brain Function: Precision and Flexibility." Professor Mineko Kengaku from the Institute for Advanced Study's Institute for Integrated Cell-Material Sciences presents insights into brain cortex formation mechanisms through live observation techniques. Delivered at the Kyoto University Tokyo Office in July 2018, this 17-minute segment delves into the intricate balance between precision and adaptability in brain function, offering valuable perspectives on neuroscience research.