Rebekah C. Ranger

Royal Ottawa Mental Health Centre · Forensics

The criminal justice system has allowed serial homicide offenders (SHOs) to commit additional homicides by failing to identify them after their initial homicide. Recidivism has been possible in instances where the SHO benefited from the wrongful incarceration of an innocent person for one of their homicides. Data from the National Registry of Exone...

Panel presentation for Conversations at The Royal. Ottawa, ON.

Murphy L, Ranger R, Fedoroff JP, Stewart H, Dwyer RG, and Burke W. Standardization of penile plethysmography testing in assessment of problematic sexual interests. J Sex Med 2015;12:1853–1861 Penile plethysmography (PPG) is an objective measure of sexual arousal for men, commonly used to assess sexual arousal to both abnormal (i.e., paraphilic) and...

Phallometric testing, or penile plethysmography (PPG), is an objective measure of sexual arousal for males. While extensive research on the reliability and validity of PPG has promoted its reputation as the "gold standard" of objective measurement of sexual arousal, there is a lack of standardization of stimulus sets and interpretation of results b...

Sexual offenses cause significant harm to victims, their families, and society as a whole and thus are an important social concern. While it is commonly assumed that sexual offenses are committed solely by males, research has shown that approximately 5 % of sex crimes in the USA and Canada are committed by females. Penile plethysmography (PPG) is a...

We support the observation of Holoyda and Newman that common definitions of zoophilia are confusing and that legal definitions of bestiality and sentencing implications are inconsistent. We take issue with their contention that the finding of a history of sex with animals may be a significant risk factor for future harm to humans. We oppose their r...

We thank Drs. Bailey, Cantor, and Lalumière for their careful reviews of Müller et al. (2014), hereafter referred to as “our study” or “our article.” Our study reported on the results of a retrospective analysis of a group of men assessed at the Sexual Behaviours Clinic at the Royal Ottawa Mental Health Centre between 1983 and 2011, who fulfilled t...

Introduction: Although pedophilia is defined by a recurrent sexual interest in prepubescent children, little attention has been paid to the stability or fluidity of this sexual interest over time. Aim: The aim of the current study was to investigate if patterns of penile tumescence (as a proxy for sexual interest) measured by penile plethysmogra...