Although sexual psychophysiology has made great strides over the past few decades, the progress made has not been accompanied by much effort to integrate research findings or to stimulate methodological and theoretical discussions among researchers. Yet this new research area has the potential to make substantial contributions to understanding a wide range of phenomena, including the spread of HIV/STIs, sexual "addiction" or compulsivity, the use (or nonuse) of birth-control methods, sexual infidelity, and aggressive sexual behaviors. Psychophysiological methods can assist in the...