Ron will present our work on spontaneous thoughts at CCN, joint work with Schuck Lab and Huys lab, with contribution from many lab members (Aaron, Junxia, etc.). Wei will present his work on the development of semantic-based generalization and discrimination in reinforcement learning through life, also with contribution from many lab members (Jialing, Aaron, etc.) and collaboration with Kasai/Yagishita labs and Ishii lab.