Erik Vick, a professor in the Department of Interactive Games and Media, published a new book titled Emotion Notions: Modeling Personality in Game Character AI, through Cengage's Course Technology PTR imprint on August 24, 2009. The book is a continuation of Dr. Vick's research focus and explores the theory and concepts behind video game AI while showing you how to increase believability, interaction, engagement and immersion by modeling human personality, mood, and emotion video game characters.