Phallometry

The measurement of changes in penile diameter in response to presentations of sexual stimuli; phallometry is a reliable indicator of sexually deviant (paraphilic) arousal patterns in patients with paedophilia, biastophilia, and peodeiktophilia
References in periodicals archive ?
They emphasized the development of accurate, objective measures of change; most notably, phallometry (Laws & Marshall, 2003; Marshall & Laws, 2003).
Fifteen years later, behavior therapy remains resigned to an important, but small and circumscribed role that focuses on conditioning procedures and phallometry.
For example, penile plethysmography or phallometry is an experimental procedure used to measure sexual arousal patterns.