Faculty

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Gregory Leong, MD
Clinical Professor Psychiatry & The Behavioral Sciences (Part Time)
Psychiatry and The Behavioral Sciences
OPD 1P5 2010 Zonal Avenue Health Sciences Campus Los Angeles
+1 323 442 4003

Overview

Gregory Leong, M.D. served as a faculty member of the Department of Psychiatry and Behavioral Sciences at the University of Southern California from 1982 to 1986 before returning to the Department in 2012. During the intervening years, he has been on the medical school faculties at the University of California, Los Angeles, University of Missouri, Ohio State University, and University of Washington. While at the University of Washington Dr. Leong was the Director of the Forensic Psychiatry Fellowship from 2008 to 2011.

Dr. Leong's academic interests have primarily revolved around forensic psychiatry. While at the University of California, Los Angeles, he participated in research projects involving schizophrenia, posttraumatic stress disorder, and smoking cessation.
On the national level, Dr. Leong has served on the Executive Council of the American Academy of Psychiatry and the Law from 1997 to 2000, the Council of Psychiatry and Law of the American Psychiatric Association from 2002 to 2007, and the Committee on Recertification in Forensic Psychiatry of the American Board of Psychiatry and Neurology from 2000 to 2003.

Besides authoring or co-authoring numerous scholarly publications in the professional literature, Dr. Leong served as an associate editor of the Newsletter of the American Academy of Psychiatry and the Law from 1992 to 1999 and an associate editor of the Journal of the American Academy of Psychiatry and the Law from 2004 to 2009. Dr. Leong has been on the editorial board of the Journal of Forensic Sciences since 1997.

Publications

Weinstock R, Darby WC, Bonnici DM, Seroussi A, Leong GB. The Ever-Evolving Duty to Protect in California. J Am Acad Psychiatry Law. 2015 Jun; 43(2):262. View in: PubMed

Candilis PJ, Khurana G, Leong GB, Weinstock R. Informed Consent at Gunpoint: When Psychiatry Affects Gun Ownership. Behav Sci Law. 2015 Jun; 33(2-3):346-55. View in: PubMed

Piel J, Finkle MJ, Giske M, Leong GB. Determining a Criminal Defendant's Competency to Proceed With an Extradition Hearing. J Am Acad Psychiatry Law. 2015 Jun; 43(2):201-9. View in: PubMed

Weinstock R, Bonnici D, Seroussi A, Leong GB. Letters. J Am Acad Psychiatry Law. 2014; 42(4):533. View in: PubMed

Weinstock R, Bonnici D, Seroussi A, Leong GB. No duty to warn in california: now unambiguously solely a duty to protect. J Am Acad Psychiatry Law. 2014; 42(1):101-8. View in: PubMed

Watson C, Eth S, Leong GB. Commentary: Pursuing justice in death penalty trials. J Am Acad Psychiatry Law. 2012; 40(1):50-4. View in: PubMed

Eth S, Leong GB. Psychiatric ethics: foundational and evolutionary. J Nerv Ment Dis. 2011 Aug; 199(8):562-6. View in: PubMed

Weinstock R, Leong GB, Silva JA. Competence to be executed: An ethical analysis post Panetti. Behav Sci Law. 2010 Sep-Oct; 28(5):690-706. View in: PubMed

Piel J, Leong GB. The slayer statute and insanity. J Am Acad Psychiatry Law. 2010; 38(2):258-62. View in: PubMed

Eth S, Leong GB. Toward revising the ethical boundaries of research with noncompetent subjects. Am J Psychiatry. 2009 Feb; 166(2):131-4. View in: PubMed

Leong GB. Revisiting the deific-decree doctrine in Washington state. J Am Acad Psychiatry Law. 2008; 36(1):95-104. View in: PubMed

Leong GB. Revisiting the politics of dangerousness. J Am Acad Psychiatry Law. 2008; 36(3):278-81. View in: PubMed

Leong GB, Leisenring SE, Dean MD. Commentary: intoxication and settled insanity--unsettled matters. J Am Acad Psychiatry Law. 2007; 35(2):183-7. View in: PubMed

Leong GB. Commentary: restorability of incompetence to stand trial--implications beyond predictive equations. J Am Acad Psychiatry Law. 2007; 35(1):44-6. View in: PubMed

Silva JA, Leong GB, Weinstock R. Regarding delusional misidentification syndromes. Psychiatry (Edgmont). 2006 Dec; 3(12):10. View in: PubMed

Weinstock R, Vari G, Leong GB, Silva JA. Back to the past in California: a temporary retreat to a Tarasoff duty to warn. J Am Acad Psychiatry Law. 2006; 34(4):523-8. View in: PubMed

Silva JA, Leong GB. Lycanthropy and delusional misidentification. Acta Psychiatr Scand. 2005 Feb; 111(2):162; author reply 162. View in: PubMed

Leong GB. : involuntary treatment case or catalyst for change? J Am Acad Psychiatry Law. 2005; 33(3):292-4. View in: PubMed

Leong GB. Commentary: No rational reasons for changing competency-to-stand-trial standard. J Am Acad Psychiatry Law. 2004; 32(3):246-9. View in: PubMed

Silva JA, Leong GB, Ferrari MM. A neuropsychiatric developmental model of serial homicidal behavior. Behav Sci Law. 2004; 22(6):787-99. View in: PubMed

Leong GB, Silva JA. Neuroleptic-induced akathisia and violence: a review. J Forensic Sci. 2003 Jan; 48(1):187-9. View in: PubMed

Silva JA, Leong GB. A new classification schema for maternal filicide. J Am Acad Psychiatry Law. 2003; 31(1):143-4. View in: PubMed

Silva JA, Ferrari MM, Leong GB. The case of Jeffrey Dahmer: sexual serial homicide from a neuropsychiatric developmental perspective. J Forensic Sci. 2002 Nov; 47(6):1347-59. View in: PubMed

Leong GB, Eth S, Silva JA. Silence or death: the limits of confidentiality when a psychotherapist is threatened by the patient. J Psychiatry Law. 1994; 22(2):235-44. View in: PubMed

Weinstock R, Leong GB, Silva JA, Conwell Y. Competence to terminate life-sustaining care: ethical and legal considerations. Am J Geriatr Psychiatry. 1994; 2(2):95-108. View in: PubMed

Leong GB, Eth S, Silva JA. "Tarasoff" defendants: social justice or ethical decay? J Forensic Sci. 1994 Jan; 39(1):86-93. View in: PubMed

Leong GB, Weinstock R, Silva JA, Eth S. Psychiatry and the death penalty: the past decade. Psychiatr Ann. 1993 Jan; 23(1):41-7. View in: PubMed

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