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    Gregory Leong, MD

    TitleClinical Professor Psychiatry & The Behavioral Sciences (Part Time)
    SchoolKeck School of Medicine of USC
    DepartmentPsychiatry and The Behavioral Sciences
    AddressOPD 1P5 2010 Zonal Avenue
    Health Sciences Campus
    Los Angeles California 90033-9520
    Phone+1 323 442 4003
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      Collapse Overview 
      Collapse 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.


      Collapse Bibliographic 
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      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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      1. Piel J, Finkle MJ, Giske M, Leong G. Determining a Criminal Defendant's Competency to Proceed With an Extradition Hearing. J Am Acad Psychiatry Law. 2015 Jun; 43(2):201-9. PMID: 26071510.
        View in: PubMed
      2. Weinstock R, Darby WC, Bonnici DM, Seroussi A, Leong G. The Ever-Evolving Duty to Protect in California. J Am Acad Psychiatry Law. 2015 Jun; 43(2):262. PMID: 26071515.
        View in: PubMed
      3. Candilis PJ, Khurana G, Leong G, Weinstock R. Informed Consent at Gunpoint: When Psychiatry Affects Gun Ownership. Behav Sci Law. 2015 Jun; 33(2-3):346-55. PMID: 25640524.
        View in: PubMed
      4. Weinstock R, Bonnici D, Seroussi A, Leong G. No duty to warn in california: now unambiguously solely a duty to protect. J Am Acad Psychiatry Law. 2014; 42(1):101-8. PMID: 24618525.
        View in: PubMed
      5. Weinstock R, Bonnici D, Seroussi A, Leong G. Letters. J Am Acad Psychiatry Law. 2014; 42(4):533. PMID: 25492079.
        View in: PubMed
      6. Watson C, Eth S, Leong G. Commentary: Pursuing justice in death penalty trials. J Am Acad Psychiatry Law. 2012; 40(1):50-4. PMID: 22396341.
        View in: PubMed
      7. Eth S, Leong G. Psychiatric ethics: foundational and evolutionary. J Nerv Ment Dis. 2011 Aug; 199(8):562-6. PMID: 21814079.
        View in: PubMed
      8. Weinstock R, Leong G, Silva JA. Competence to be executed: An ethical analysis post Panetti. Behav Sci Law. 2010 Sep-Oct; 28(5):690-706. PMID: 20669246.
        View in: PubMed
      9. Piel J, Leong G. The slayer statute and insanity. J Am Acad Psychiatry Law. 2010; 38(2):258-62. PMID: 20542948.
        View in: PubMed
      10. Eth S, Leong G. Toward revising the ethical boundaries of research with noncompetent subjects. Am J Psychiatry. 2009 Feb; 166(2):131-4. PMID: 19188287.
        View in: PubMed
      11. Leong G. Revisiting the deific-decree doctrine in Washington state. J Am Acad Psychiatry Law. 2008; 36(1):95-104. PMID: 18354130.
        View in: PubMed
      12. Leong G. Revisiting the politics of dangerousness. J Am Acad Psychiatry Law. 2008; 36(3):278-81. PMID: 18802173.
        View in: PubMed
      13. Leong G. Commentary: restorability of incompetence to stand trial--implications beyond predictive equations. J Am Acad Psychiatry Law. 2007; 35(1):44-6. PMID: 17389344.
        View in: PubMed
      14. Leong G, Leisenring SE, Dean MD. Commentary: intoxication and settled insanity--unsettled matters. J Am Acad Psychiatry Law. 2007; 35(2):183-7. PMID: 17592163.
        View in: PubMed
      15. Silva JA, Leong G, Weinstock R. Regarding delusional misidentification syndromes. Psychiatry (Edgmont). 2006 Dec; 3(12):10. PMID: 20877550.
        View in: PubMed
      16. Weinstock R, Vari G, Leong G, 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. PMID: 17185483.
        View in: PubMed
      17. Silva JA, Leong G. Lycanthropy and delusional misidentification. Acta Psychiatr Scand. 2005 Feb; 111(2):162; author reply 162. PMID: 15667438.
        View in: PubMed
      18. Leong G. Sell v. U.S.: involuntary treatment case or catalyst for change? J Am Acad Psychiatry Law. 2005; 33(3):292-4. PMID: 16186189.
        View in: PubMed
      19. Leong G. Commentary: No rational reasons for changing competency-to-stand-trial standard. J Am Acad Psychiatry Law. 2004; 32(3):246-9. PMID: 15515911.
        View in: PubMed
      20. Silva JA, Leong G, Ferrari MM. A neuropsychiatric developmental model of serial homicidal behavior. Behav Sci Law. 2004; 22(6):787-99. PMID: 15568202.
        View in: PubMed
      21. Leong G, Silva JA. Neuroleptic-induced akathisia and violence: a review. J Forensic Sci. 2003 Jan; 48(1):187-9. PMID: 12570226.
        View in: PubMed
      22. Silva JA, Leong G. A new classification schema for maternal filicide. J Am Acad Psychiatry Law. 2003; 31(1):143-4. PMID: 12817855.
        View in: PubMed
      23. Silva JA, Ferrari MM, Leong G. The case of Jeffrey Dahmer: sexual serial homicide from a neuropsychiatric developmental perspective. J Forensic Sci. 2002 Nov; 47(6):1347-59. PMID: 12455663.
        View in: PubMed
      24. Leong G, Eth S, Silva JA. "Tarasoff" defendants: social justice or ethical decay? J Forensic Sci. 1994 Jan; 39(1):86-93. PMID: 11644513.
        View in: PubMed
      25. Weinstock R, Leong G, Silva JA, Conwell Y. Competence to terminate life-sustaining care: ethical and legal considerations. Am J Geriatr Psychiatry. 1994; 2(2):95-108. PMID: 11652962.
        View in: PubMed
      26. Leong G, 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. PMID: 11660049.
        View in: PubMed
      27. Leong G, Weinstock R, Silva JA, Eth S. Psychiatry and the death penalty: the past decade. Psychiatr Ann. 1993 Jan; 23(1):41-7. PMID: 11659516.
        View in: PubMed