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
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pdf (criticizing the Czech Republic's use of phallometry to verify an asylum applicant's claim of persecution based on sexual orientation); U.
They emphasized the development of accurate, objective measures of change; most notably, phallometry (Laws & Marshall, 2003; Marshall & Laws, 2003).
For example, penile plethysmography or phallometry is an experimental procedure used to measure sexual arousal patterns.