Treatment FAQ

what is a ppg in sexual deviancy treatment

by Alice Goldner Published 2 years ago Updated 2 years ago

Penile plethysmography (PPG) or phallometry is measurement of bloodflow to the penis, typically used as a proxy for measurement of sexual arousal.

What is the PPG test for sex offenders?

In post-conviction applications, the PPG is meant to help determine the risk of recidivism for people who are convicted of sex crimes. The test is usually performed after the individual undergoes therapy or starts medication to help control sexual arousal.

What is ppg used for in the FPC?

The FPC utilises PPG for the following clinical purposes: To facilitate participant acknowledgement of their sexual arousal/interests and their engagement in treatment; To assist with the development of a formulation of problematic or offence-related sexual behaviour; To assist measurement of changes in sexual arousal/interest.

How is sexual arousal measured in the PPG test?

Participants may rate their level of sexual arousal or response in a self-reporting format during the test, and the test administrator uses the self-reported information to compare with physical responses. Post-test questions and responses are collected for analysis. PPG tests are designed to allow for coughing or shifting.

Are drug treatments effective in treating sexual deviants?

Drug treatments are most effective in sexual deviants when combined with psychotherapy or behavior therapy. This treatment is based on the premise that sexual deviants have difficulty forming healthy relationships that give access to healthy forms of sexual expression.

What is a PPG test?

Photoplethysmography (PPG) is an examination comparable to the ankle-brachial index except that it uses a very tiny blood pressure cuff around the toe and a PPG sensor (infrared light to evaluate blood flow near the surface of the skin) to record waveforms and blood pressure measurements.

How do you measure a man's arousal?

At present, there are two major methods for measuring male sexual arousal or interest: penile plethysmography (PPG) and viewing time (VT). The first of these takes direct measurements of penile physiology during presentation of audiovisual stimuli intended to cause some differential degree of sexual arousal.

What is a Phallometric test?

Phallometric testing-which measures changes in penile circumference or volume, while stimuli depicting different ages and sexual activities are presented-is widely used in clinical and research settings to detect such interests.

What is deviant arousal?

Ultimately, an individual is said to exhibit deviant sexual arousal when the stimuli that elicit sexual interest for that individual are illegal, highly unusual in that they differ from societal norms, or cause (undesired) harm to others when expressed behaviorally (Hanson & Morton- Bourgon, 2005; Seto, 2001).

What types of drug therapy have shown some success with treating paraphilias?

Androgen Deprivation Therapy Studies have shown that physical treatment (hormone therapy and castration) in all types of paraphilias have proven more successful than psychosocial therapies.

Is Phallometric testing accurate?

Evidence for the diagnostic accuracy of phallometric assessment is inconsistent. There is limited evidence to support the choice of phallometry over other tools for the diagnosis or risk assessment of sex offenders.

What is involved in a psychosexual evaluation?

They include diagnosis, IQ, past sexual behavior, history of sexual abuse, and other psychological factors. This portion of the risk assessment will help determine treatment recommendations. The psychological assessment will also consider attributes that reduce a person's risk level for unhealthy sexual behavior.

What is the main aim of the treatment for Paraphilic disorders?

Despite these concerns, both patients and society at large can benefit from the effective management of paraphilic disorders. Treatment can curb patients' unwanted, distressing sexual urges and fantasies and reduce the risk of harmful sexual behavior.

What is the purpose of PPG?

Use in Sex Offender Treatment. In post-conviction applications, the PPG is meant to help determine the risk of recidivism for people who are convicted of sex crimes. The test is usually performed after the individual undergoes therapy or starts medication to help control sexual arousal. Otherwise, it is meant to determine the likelihood ...

What is a PPG test?

The penile plethysmograph (PPG) is a penile sexual arousal test that is often used to help determine whether a male participant is likely or unlikely to respond sexually to a child or adolescent. The results may be used in arriving at an opinion as to whether a person is a likely sex offender or is likely to reoffend.

Is PPG more reliable than polygraph?

As it is with most evaluations or tests, the PPG has the potential for errors. It is considered more reliable than a standard polygraph test in measuring the accuracy of the participant’s honesty in responses to questions.

Can a defense attorney administer a supervised release test?

A defense attorney may enlist clinicians to administer the test to aid in the defense of child sexual abuse cases, such as Indecency with a Child.

Is PPG testing safe?

PPG testing has been used on humans since the 1930s and has no known significant safety issues. The devices do not deliver an electric shock or create physical pain. Since the devices are thoroughly disinfected and sanitized between participants, they do not pose sanitation risks.

What is the purpose of a PPG?

Penile plethysmography ( PPG) or phallometry is measurement of bloodflow to the penis, typically used as a proxy for measurement of sexual arousal. The most commonly reported methods of conducting penile plethysmography involve the measurement of the circumference of the penis with a mercury-in-rubber or electromechanical ...

What is penile plethysmography used for?

In 1994, the Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition) of the American Psychiatric Association stated that penile plethysmography has been used in research settings to assess various paraphilias by measuring an individual's sexual arousal in response to visual and auditory stimuli. The reliability and validity of this procedure in clinical assessment have not been well established, and clinical experience suggests that subjects can simulate response by manipulating mental images." In contrast, a recent meta-analysis provides support for the validity of phallometric testing as a measure of sexual interests in children across 37 samples and 6,785 individuals.

When did the Czech Republic stop making phallometric tests?

The principal manufacturer of the device stopped making them in the 1990s. The EU's leading human rights agency, the Fundamental Rights Agency, has criticised the use of phallometric tests by the Czech Republic to determine whether asylum seekers presenting themselves as homosexual were in fact gay.

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