Serving to bridge the gap between differing approaches to psychology, this new text provides some of the most compelling evidence yet for the subjective presence and objective efficacy of the mental image. In this day and age of "dissociation" between physiological psychologists and other psychologists, between cognitive scientist and mentalist, between researchers and practitioners, mental imagery and its psychophysiology pose some intellectually "sticky" problems - and some promising resolutions - that should bind together differing disciplines within psychology.