Ronald Lindsay André "Ron" Langevin (born September 28, 1940) is a Canadian forensic psychologist at the University of Toronto. He is the founding editor of ''Annals of Sex Research'', now titled '' Sexual Abuse: A Journal of Research and Treatment''.Maletzky, Barry M (1991). Langevin RL Editorial: ASR and ATSA: Finally together Sexual Abuse: A Journal of Research and Treatment. Volume 4, Number 1, 5-6,

Life and career

Langevin was born in Montreal and earned a Ph.D. in psychology from University of Toronto in 1970. He wrote materials for the Canadian Council for Research in Education before taking a position at the

Clarke Institute of Psychiatry The Centre for Addiction and Mental Health (College Street site) is a psychiatric hospital in Toronto, Ontario. It is located at 250 College Street, just east of Spadina Avenue. Much of its work focuses on forensic psychology, sex addiction, drug ...

, where he worked with

Kurt Freund Kurt Freund (17 January 1914 – 23 October 1996) was a Czech-Canadian physician and sexologist best known for developing the penile plethysmograph (a measurement of sexual arousal in males), research studies in pedophilia, and for the "courtsh ...

. Langevin argued against the effectiveness of

reparative therapy Conversion therapy is the pseudoscientific practice of attempting to change an individual's sexual orientation, gender identity, or gender expression to align with heterosexual and cisgender norms. In contrast to evidence-based medicine and clin ...

in 1985.Crosby, Louise (February 15, 1985). Gay counseling urges acceptance of homosexuality. ''

Ottawa Citizen The ''Ottawa Citizen'' is an English-language daily newspaper owned by Postmedia Network in Ottawa, Ontario, Canada. History Established as ''The Bytown Packet'' in 1845 by William Harris (journalist), William Harris, it was renamed the '' ...

'' He served as an expert witness in a sexual abuse trial in 1989.Kenna, Kathleen Women sex abusers are 'extremely rare' sex abuse trial told. ''

Toronto Star The ''Toronto Star'' is a Canadian English-language broadsheet daily newspaper. The newspaper is the country's largest daily newspaper by circulation. It is owned by Toronto Star Newspapers Limited, a subsidiary of Torstar Corporation and part ...

'' In 1989 also, Langevin published findings suggesting a

correlation In statistics, correlation or dependence is any statistical relationship, whether causal or not, between two random variables or bivariate data. Although in the broadest sense, "correlation" may indicate any type of association, in statistics ...

between sex offenders and traumatic brain injury, though he suggested caution in the use of the findings, as half his subjects were alcohol abusers.Staff report (January 23, 1989)
Sex Abuse Linked to Brain
'' Los Angeles Times'' He is director of Juniper Associates Psychological Services and is an Associate Professor in the Law & Mental Health program at University of Toronto. He has also published materials through

Juniper Press Junipers are coniferous trees and shrubs in the genus ''Juniperus'' () of the cypress family Cupressaceae. Depending on the taxonomy, between 50 and 67 species of junipers are widely distributed throughout the Northern Hemisphere, from the Arcti ...

. Langevin is a charter member of the

International Association for the Treatment of Sexual Offenders The International Association for the Treatment of Sexual Offenders (IATSO) is an international non-profit professional organization based in Vienna committed to the promotion of research of and treatment for sex offenders throughout the world.Eher ...

(IATSO).IATSO: Charter members.
/ref>

Selected bibliography

*Langevin R, Curnoe S. Psychopathy, ADHD, and brain dysfunction as predictors of lifetime recidivism among sex offenders. '' Int J Offender Ther Comp Criminol''. 2011 Feb;55(1):5-26. Epub 2010 Feb 3. *Langevin R, Curnoe S. Are the mentally retarded and learning disordered overrepresented among sex offenders and paraphilics? '' Int J Offender Ther Comp Criminol''. 2008 Aug;52(4):401-15. Epub 2007 Aug 23. *Langevin R, Langevin M, Curnoe S. Family size, birth order, and parental age among male paraphilics and sex offenders. ''

Arch Sex Behav The ''Archives of Sexual Behavior'' is a peer-reviewed academic journal in sexology. It is the official publication of the International Academy of Sex Research. History The journal was established in 1971 by Richard Green, who served as its ed ...

''. 2007 Aug;36(4):599-609. *Langevin R. Sexual offenses and traumatic brain injury. ''

Brain Cogn ''Brain and Cognition'' is an American scientific journal founded in 1982. It covers the fields of cognitive neuroscience and psychophysiology. According to the ''Journal Citation Reports'', the journal has a 2016 impact factor The impact fac ...

''. 2006 Mar;60(2):206-7. *Langevin R, Curnoe S, Bain J. A study of clerics who commit sexual offenses: are they different from other sex offenders? ''

Child Abuse Negl ''Child Abuse & Neglect'' is a monthly peer-reviewed interdisciplinary social science journal covering child protection. It was established in 1977 and is the official journal of the International Society for Prevention of Child Abuse and Neglect. ...

''. 2000 Apr;24(4):535-45. *Langevin R, Glancy GD, Curnoe S, Bain J. Physicians who commit sexual offences: are they different from other sex offenders? ''

Can J Psychiatry ''The Canadian Journal of Psychiatry/La revue canadienne de psychiatrie'' is a monthly peer-reviewed medical journal published originally by the Canadian Psychiatric Association. Since January 2015 it has been published by SAGE. It covers all aspec ...

''. 1999 Oct;44(8):775-80. *Langevin R, Wright P, Handy L (1988). The sex killer. ''

Ann Sex Res ''Sexual Abuse'' is a peer-reviewed academic journal that publishes articles about the clinical and theoretical aspects of sexual abuse, including its etiology, consequences, prevention, treatment, and management strategies. It is the official jou ...

'' Volume 1, Number 2, 263-301, *Langevin R, Bain J, Wortzman G, Hucker S, Dickey R, Wright P. Sexual sadism: brain, blood, and behavior. ''

Ann N Y Acad Sci The ''Annals of the New York Academy of Sciences'' is an academic journal published by Wiley-Blackwell on behalf of the New York Academy of Sciences. It is one of the oldest science journals still being published, having been founded in 1823. The ...

''. 1988;528:163-71. *Langevin R, Ben-Aron M, Wortzman G, Dickey R, Handy L (1987). Brain damage, diagnosis, and substance abuse among violent offenders ''

Behavioral Sciences & the Law ''Behavioral Sciences & the Law'' is a quarterly peer-reviewed academic journal covering the intersection of the law and behavioral sciences. It was established in 1983 and is published by John Wiley & Sons. The journal is edited by Charles Patrick ...

'' Volume 5, Issue 1, pages 77–94, Winter 1987 *Langevin R (1983). ''Sexual strands: understanding and treating sexual anomalies in men.'' Psychology Press, *Paitich D, Langevin R, Freeman R, Mann K, Handy L. The Clarke SHQ: a clinical sex history questionnaire for males. ''

''. 1977 Sep;6(5):421-36. *Paitich D, Langevin R. The Clarke Parent-Child Relations Questionnaire: a clinically useful test for adults. ''

J Consult Clin Psychol The ''Journal of Consulting and Clinical Psychology'' is a monthly academic journal published by the American Psychological Association. Its focus is on treatment and prevention in all areas of clinical and clinical-health psychology and especiall ...

''. 1976 Jun;44(3):428-36. *Freund K, Langevin R, Wescom T, Zajac Y. Heterosexual interest in homosexual males. ''

''. 1975 Sep;4(5):509-18. *Freund K, Langevin R, Zajac Y. Heterosexual aversion in homosexual males. A second experiment. ''

Br J Psychiatry The ''British Journal of Psychiatry'' is a peer-reviewed medical journal covering all branches of psychiatry with a particular emphasis on the clinical aspects of each topic. The journal is owned by the Royal College of Psychiatrists and publishe ...

''. 1974 Aug;125(0):177-80. *Freund K, Langevin R, Zajac Y, Steiner B, Zajac A. The trans-sexual syndrome in homosexual males. ''

J Nerv Ment Dis ''The Journal of Nervous and Mental Disease'' is a peer-reviewed medical journal on psychopathology. It was established in 1874 as the ''Chicago Journal of Nervous and Mental Disease''. "Chicago" was dropped from the title beginning in 1876. Articl ...

''. 1974 Feb;158(2):145-53. *Freund K, Langevin R, Cibiri S, Zajac Y. Heterosexual aversion in homosexual males. ''

''. 1973 Feb;122(567):163-9.

References

External links

Dr. Ronald A. Langevin profile
via University of Toronto
Ronald L. A. Langevin profile

College of Psychologists of Ontario The College of Psychologists of Ontario (CPO) is the regulatory college for the profession of psychology in Ontario, Canada. It sets the standards for the provision of psychological services by Psychologists and Psychological Associates. The Colle ...

* {{DEFAULTSORT:Langevin, Ronald Living people 1940 births Canadian psychologists Forensic psychologists University of Toronto faculty University of Toronto alumni