Brain activity during playing video game correlates with player level. - Shingo Hattahara; Nobuto Fujii; Shinpei Nagae; Koji Kazai; Haruhiro Katayose (Advances in Computer Entertainment Technology, 2008)

Accuracy of Synchrony Judgment and its Relation to the Auditory Brainstem Response: the Difference Between Pianists and Non-Pianists. - Eriko Aiba; Koji Kazai; Takayuki Shimotomai; Toshie Matsui; Minoru Tsuzaki; Noriko Nagata (J. Adv. Comput. Intell. Intell. Informatics, 2011)

Evaluating Human-like Behaviors of Video-Game Agents Autonomously Acquired with Biological Constraints. - Nobuto Fujii; Yuichi Sato; Hironori Wakama; Koji Kazai; Haruhiro Katayose (Advances in Computer Entertainment, 2013)