Psycho-Cybernetics is a self-help book written by Maxwell Maltz in 1960. Motivational and self-help experts in personal development, including Zig Ziglar, Tony Robbins, Brian Tracy have based their techniques on Maxwell Maltz. Many of the psychological methods of training elite athletes are based on the concepts in Psycho-Cybernetics as well. The book combines the cognitive behavioral technique of teaching an individual how to regulate self-concept, using theories developed by Prescott Lecky, with the cybernetics of Norbert Wiener and John von Neumann. The book defines the mind-body connection as the core in succeeding in attaining personal goals.