Penile plethysmography
Penile plethysmography (pronunciation: peh-nile ple-thiz-mog-raphy) is a procedure that measures changes in penis volume or circumference in response to sexually suggestive stimuli. The term is derived from the Greek words penis, meaning "tail", and plethysmos, meaning "increase", combined with graphy, a suffix referring to "writing" or "recording".
Procedure
The procedure involves the use of a device known as a plethysmograph, which is attached to the penis. The device measures changes in blood flow and volume, which are indicative of sexual arousal. The subject is typically exposed to various forms of sexual stimuli, such as images, videos, or narratives, and the device records the physiological responses.
Uses
Penile plethysmography is primarily used in the field of sexology to assess sexual preferences or interests, particularly in cases where individuals are suspected of having abnormal sexual interests, such as paraphilias. It is also used in the evaluation and treatment of sexual dysfunction, and in research studies investigating human sexual response.
Criticism and Controversy
Despite its widespread use, penile plethysmography has been the subject of criticism and controversy. Critics argue that the procedure is invasive and potentially unethical, and question the validity and reliability of the results. There are also concerns about the potential for false positives and negatives, and the lack of standardized protocols for the administration of the test.
Related Terms
See Also
External links
- Medical encyclopedia article on Penile plethysmography
- Wikipedia's article - Penile plethysmography
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