YUICHIRO YOSHIKAWA received his Ph.D. degree in engineering from Osaka University, Japan, in 2005. In 2005, he was a Researcher at the Intelligent Robotics and Communication Laboratories, Advanced Telecommunications Research Institute International. In 2006, he was a Researcher at Asada Synergistic Intelligence Project, ERATO, Japan Science and Technology Agency. Since 2010, he has been an Associate Professor in the Graduate School of Engineering Science, Osaka University. He is a member of the Japanese Society of Robotics, Japanese Society of Cognitive Science, the Virtual Reality Society of Japan, Japanese Society for Child and Adolescent Psychiatry, and Japanese Society of Pediatric Psychiatry and Neurology.