To complement theories developed in cognitive science that yielded some understanding of human intelligence, cross disciplinary research has begun to explore the intellectual aspects of creativity and the design knowledge created during the creative processes. Following this new trend, this book systematically explains well developed theories in cognitive science, their applications, and future possible directions of utilizing cognitive science in design. From explaining the fundamental concepts of cognition, elaborating advanced research methodologies, and discussing individual design thinking and creative processes through psychological experiments; phenomenon of design cognition should be understood better. Other studies, which embrace human cognition, including artificial intelligence and neuroscience are also covered briefly in this book to catch up.