This book constitutes the refereed proceedings of the International Tutorial and Research Workshop on Perception and Interactive Technologies, PIT 2006, held at Kloster Irsee, Germany, June 2006. The book presents 16 revised full papers together with 4 revised poster papers and 6 system demonstration papers, organized in topical sections on head pose and eye gaze tracking, modeling and simulation of perception, integrating information from multiple channels, and more.