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William Perry

TitleProfessor In Residence
InstitutionUniversity of California San Diego
DepartmentPsychiatry
Address200 W. Arbor Drive #8218
San Diego CA 92103
Phone619-543-2827
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    Biography

    Dr. Perry received his Ph.D. from the California School of Professional Psychology, San Diego in 1989. He completed his Internship and post-doctoral Fellowship at UCSD. He is a Fellow of the National Academy of Neuropsychology (NAN) as well as the Society for Personality Assessment and he serves as the Executive Director of NAN. His primary position in the Department of Psychiatry is as Vice Chair for Program Development and Operations and as the
    Co-Director, Division of Clinical Psychiatry. He also serves as the Chief Supervising psychologist at UCSD-Medical Center and engages in neuropsychological assessments.

    Research Interests

    Dr. Perry’s primary research program focuses on inhibitory and information processing deficits in neuropsychiatric conditions. He is the recipient of several grants to study acutely, un-medicated psychiatric patients using psychophysiological measures in order to characterize their inhibitory functions. Additionally, he is interested in conducting longitudinal studies, relating information processing deficits to thought disorder, neuropsychological and clinical measures. Although a majority of his publications are on patients with bipolar illness and schizophrenia, he has funded grants to study people with substance use disorders as well as people with viral diseases such as HIV and Hepatitis C.

    Clinical Focus

    As an active clinical Director, Dr. Perry serves as an Attending and is engaged in Psychiatry Consultation-Liaison work. He oversees consultation programs that have been developed with the UCSD Anesthesia Pain Management Group, Transplantation services and the Burn Service. He also serves as the Chief Supervising Psychologist at UCSD-Medical Center and as a member of Neuropsychological Associates is involved in outpatient neuropsychological and psychodiagnostic assessment.

    More on Dr. Perry's clinical information


    Collapse Research 
    Collapse Research Activities and Funding
    Cannabis use and the endocannabinoid system in bipolar disorder
    NIH/NIDA R01DA043535May 1, 2018 - Feb 28, 2023
    Role: Principal Investigator
    Endocannabinoid system and inhibition in bipolar disorder
    NIH/NIMH R21MH097112Sep 1, 2012 - Jun 30, 2014
    Role: Principal Investigator
    INHIBITORY DEFICITS IN HUMAN AND ANIMAL MODELS OF BIPOLAR DISORDER
    NIH/NIMH R01MH071916Aug 25, 2004 - Apr 30, 2015
    Role: Principal Investigator

    Collapse Bibliographic 
    Collapse Publications
    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.
    List All   |   Timeline
    1. Kwiatkowski MA, Hellemann G, Sugar CA, Cope ZA, Minassian A, Perry W, Geyer MA, Young JW. Dopamine transporter knockdown mice in the behavioral pattern monitor: A robust, reproducible model for mania-relevant behaviors. Pharmacol Biochem Behav. 2017 Dec 28. PMID: 29289701.
      View in: PubMed
    2. Minassian A, Young JW, Geyer MA, Kelsoe JR, Perry W. The COMT Val158Met Polymorphism and Exploratory Behavior in Bipolar Mania. Mol Neuropsychiatry. 2018 Feb; 3(3):151-156. PMID: 29594134.
      View in: PubMed
    3. MacQueen DA, Minassian A, Henry BL, Geyer MA, Young JW, Perry W. Amphetamine Modestly Improves Conners' Continuous Performance Test Performance in Healthy Adults. J Int Neuropsychol Soc. 2018 Mar; 24(3):283-293. PMID: 29032769.
      View in: PubMed
    4. Cope ZA, Minassian A, Kreitner D, MacQueen DA, Milienne-Petiot M, Geyer MA, Perry W, Young JW. Modafinil improves attentional performance in healthy, non-sleep deprived humans at doses not inducing hyperarousal across species. Neuropharmacology. 2017 Oct; 125:254-262. PMID: 28774856.
      View in: PubMed
    5. Minassian A, Henry BL, Iudicello JE, Morgan EE, Letendre SL, Heaton RK, Perry W. Everyday functional ability in HIV and methamphetamine dependence. Drug Alcohol Depend. 2017 06 01; 175:60-66. PMID: 28399475.
      View in: PubMed
    6. Brandel MG, Hirshman BR, McCutcheon BA, Tringale K, Carroll K, Richtand NM, Perry W, Chen CC, Carter BS. The Association between Psychiatric Comorbidities and Outcomes for Inpatients with Traumatic Brain Injury. J Neurotrauma. 2017 Mar 01; 34(5):1005-1016. PMID: 27573722.
      View in: PubMed
    7. Perry W, McIlwain M, Kloezeman K, Henry BL, Minassian A. Diagnosis and characterization of mania: Quantifying increased energy and activity in the human behavioral pattern monitor. Psychiatry Res. 2016 06 30; 240:278-283. PMID: 27138818; PMCID: PMC4885760 [Available on 06/30/17].
      View in: PubMed, PubMed Central
    8. Minassian A, Young JW, Cope ZA, Henry BL, Geyer MA, Perry W. Amphetamine increases activity but not exploration in humans and mice. Psychopharmacology (Berl). 2016 Jan; 233(2):225-33. PMID: 26449721.
      View in: PubMed
    9. van Enkhuizen J, Geyer MA, Minassian A, Perry W, Henry BL, Young JW. Investigating the underlying mechanisms of aberrant behaviors in bipolar disorder from patients to models: Rodent and human studies. Neurosci Biobehav Rev. 2015 Nov; 58:4-18. PMID: 26297513; PMCID: PMC4684462 [Available on 11/01/16].
      View in: PubMed, PubMed Central
    10. Fuchs HF, Laughter V, Harnsberger CR, Broderick RC, Berducci M, DuCoin C, Langert J, Sandler BJ, Jacobsen GR, Perry W, Horgan S. Patients with psychiatric comorbidity can safely undergo bariatric surgery with equivalent success. Surg Endosc. 2016 Jan; 30(1):251-8. PMID: 25847138.
      View in: PubMed
    11. Cattie JE, Letendre SL, Woods SP, Barakat F, Perry W, Cherner M, Umlauf A, Franklin D, Heaton RK, Hassanein T, Grant I. Persistent neurocognitive decline in a clinic sample of hepatitis C virus-infected persons receiving interferon and ribavirin treatment. J Neurovirol. 2014 Dec; 20(6):561-70. PMID: 25326107; PMCID: PMC4367960.
      View in: PubMed, PubMed Central
    12. van Enkhuizen J, Janowsky DS, Olivier B, Minassian A, Perry W, Young JW, Geyer MA. The catecholaminergic-cholinergic balance hypothesis of bipolar disorder revisited. Eur J Pharmacol. 2015 Apr 15; 753:114-26. PMID: 25107282; PMCID: PMC4318788.
      View in: PubMed, PubMed Central
    13. Morgan EE, Doyle KL, Minassian A, Henry BL, Perry W, Marcotte TD, Woods SP, Grant I. Elevated intraindividual variability in methamphetamine dependence is associated with poorer everyday functioning. Psychiatry Res. 2014 Dec 15; 220(1-2):527-34. PMID: 25081313; PMCID: PMC4252574.
      View in: PubMed, PubMed Central
    14. van Enkhuizen J, Henry BL, Minassian A, Perry W, Milienne-Petiot M, Higa KK, Geyer MA, Young JW. Reduced dopamine transporter functioning induces high-reward risk-preference consistent with bipolar disorder. Neuropsychopharmacology. 2014 Dec; 39(13):3112-22. PMID: 25005251; PMCID: PMC4229584.
      View in: PubMed, PubMed Central
    15. Patt VM, Thomas ML, Minassian A, Geyer MA, Brown GG, Perry W. Disentangling working memory processes during spatial span assessment: a modeling analysis of preferred eye movement strategies. J Clin Exp Neuropsychol. 2014; 36(2):186-204. PMID: 24499103; PMCID: PMC3970432.
      View in: PubMed, PubMed Central
    16. Henry BL, Geyer MA, Buell MR, Perry W, Young JW, Minassian A. Prepulse inhibition in HIV-1 gp120 transgenic mice after withdrawal from chronic methamphetamine. Behav Pharmacol. 2014 Feb; 25(1):12-22. PMID: 24281153; PMCID: PMC3926694.
      View in: PubMed, PubMed Central
    17. Henry BL, Minassian A, Patt VM, Hua J, Young JW, Geyer MA, Perry W. Inhibitory deficits in euthymic bipolar disorder patients assessed in the human behavioral pattern monitor. J Affect Disord. 2013 Sep 25; 150(3):948-54. PMID: 23759280; PMCID: PMC3759601.
      View in: PubMed, PubMed Central
    18. Henry BL, Minassian A, Perry W. Everyday functional ability across different phases of bipolar disorder. Psychiatry Res. 2013 Dec 30; 210(3):850-6. PMID: 23643188; PMCID: PMC3758417.
      View in: PubMed, PubMed Central
    19. Minassian A, Henry BL, Woods SP, Vaida F, Grant I, Geyer MA, Perry W. Prepulse inhibition in HIV-associated neurocognitive disorders. J Int Neuropsychol Soc. 2013 Jul; 19(6):709-17. PMID: 23552464; PMCID: PMC3729041.
      View in: PubMed, PubMed Central
    20. Henry BL, Geyer MA, Buell M, Perry W, Young JW, Minassian A. Behavioral effects of chronic methamphetamine treatment in HIV-1 gp120 transgenic mice. Behav Brain Res. 2013 Jan 01; 236(1):210-20. PMID: 22960458; PMCID: PMC3482284.
      View in: PubMed, PubMed Central
    21. Sweet JJ, Perry W, Ruff RM, Shear PK, Guidotti Breting LM. The Inter-Organizational Summit on Education and Training (ISET) 2010 survey on the influence of the Houston Conference training guidelines. Clin Neuropsychol. 2012; 26(7):1055-76. PMID: 22867106.
      View in: PubMed
    22. Sweet JJ, Perry W, Ruff RM, Shear PK, Breting LM. The Inter-Organizational Summit on Education and Training (ISET) 2010 survey on the influence of the Houston conference training guidelines. Arch Clin Neuropsychol. 2012 Nov; 27(7):796-812. PMID: 22869586.
      View in: PubMed
    23. Morgan EE, Woods SP, Rooney A, Perry W, Grant I, Letendre SL. Intra-individual variability across neurocognitive domains in chronic hepatitis C infection: elevated dispersion is associated with serostatus and unemployment risk. Clin Neuropsychol. 2012; 26(4):654-74. PMID: 22533778; PMCID: PMC3412152.
      View in: PubMed, PubMed Central
    24. Sakamoto M, Perry W, Hilsabeck RC, Barakat F, Hassanein T. Assessment and usefulness of clinical scales for semiquantification of overt hepatic encephalopathy. Clin Liver Dis. 2012 Feb; 16(1):27-42. PMID: 22321463.
      View in: PubMed
    25. Minassian A, Henry BL, Young JW, Masten V, Geyer MA, Perry W. Repeated assessment of exploration and novelty seeking in the human behavioral pattern monitor in bipolar disorder patients and healthy individuals. PLoS One. 2011; 6(8):e24185. PMID: 21912623.
      View in: PubMed
    26. Henry BL, Minassian A, van Rhenen M, Young JW, Geyer MA, Perry W. Effect of methamphetamine dependence on inhibitory deficits in a novel human open-field paradigm. Psychopharmacology (Berl). 2011 Jun; 215(4):697-707. PMID: 21279333.
      View in: PubMed
    27. Henry BL, Minassian A, Perry W. Effect of methamphetamine dependence on heart rate variability. Addict Biol. 2012 May; 17(3):648-58. PMID: 21182570.
      View in: PubMed
    28. Feifel D, Macdonald K, Nguyen A, Cobb P, Warlan H, Galangue B, Minassian A, Becker O, Cooper J, Perry W, Lefebvre M, Gonzales J, Hadley A. Adjunctive intranasal oxytocin reduces symptoms in schizophrenia patients. Biol Psychiatry. 2010 Oct 01; 68(7):678-80. PMID: 20615494.
      View in: PubMed
    29. Posada C, Moore DJ, Woods SP, Vigil O, Ake C, Perry W, Hassanein TI, Letendre SL, Grant I. Implications of hepatitis C virus infection for behavioral symptoms and activities of daily living. J Clin Exp Neuropsychol. 2010 Jul; 32(6):637-44. PMID: 20603743; PMCID: PMC2898888.
      View in: PubMed, PubMed Central
    30. Perry W, Minassian A, Henry B, Kincaid M, Young JW, Geyer MA. Quantifying over-activity in bipolar and schizophrenia patients in a human open field paradigm. Psychiatry Res. 2010 Jun 30; 178(1):84-91. PMID: 20471103; PMCID: PMC2914139.
      View in: PubMed, PubMed Central
    31. Henry BL, Minassian A, Young JW, Paulus MP, Geyer MA, Perry W. Cross-species assessments of motor and exploratory behavior related to bipolar disorder. Neurosci Biobehav Rev. 2010 Jul; 34(8):1296-306. PMID: 20398694; PMCID: PMC2900445.
      View in: PubMed, PubMed Central
    32. Young JW, Goey AK, Minassian A, Perry W, Paulus MP, Geyer MA. The mania-like exploratory profile in genetic dopamine transporter mouse models is diminished in a familiar environment and reinstated by subthreshold psychostimulant administration. Pharmacol Biochem Behav. 2010 Jul; 96(1):7-15. PMID: 20363246; PMCID: PMC2878916.
      View in: PubMed, PubMed Central
    33. Carlson MD, Hilsabeck RC, Barakat F, Perry W. Role of Sleep Disturbance in Chronic Hepatitis C Infection. Curr Hepat Rep. 2010 Feb; 9(1):25-29. PMID: 20208985.
      View in: PubMed
    34. Henry BL, Minassian A, Perry W. Effect of methamphetamine dependence on everyday functional ability. Addict Behav. 2010 Jun; 35(6):593-8. PMID: 20167435; PMCID: PMC2839012.
      View in: PubMed, PubMed Central
    35. Minassian A, Henry BL, Geyer MA, Paulus MP, Young JW, Perry W. The quantitative assessment of motor activity in mania and schizophrenia. J Affect Disord. 2010 Jan; 120(1-3):200-6. PMID: 19435640; PMCID: PMC2795051.
      View in: PubMed, PubMed Central
    36. Young JW, Goey AK, Minassian A, Perry W, Paulus MP, Geyer MA. GBR 12909 administration as a mouse model of bipolar disorder mania: mimicking quantitative assessment of manic behavior. Psychopharmacology (Berl). 2010 Feb; 208(3):443-54. PMID: 20020109; PMCID: PMC2806531.
      View in: PubMed, PubMed Central
    37. Perry W, Minassian A, Paulus MP, Young JW, Kincaid MJ, Ferguson EJ, Henry BL, Zhuang X, Masten VL, Sharp RF, Geyer MA. A reverse-translational study of dysfunctional exploration in psychiatric disorders: from mice to men. Arch Gen Psychiatry. 2009 Oct; 66(10):1072-80. PMID: 19805697; PMCID: PMC2897252.
      View in: PubMed, PubMed Central
    38. Henry BL, Minassian A, Paulus MP, Geyer MA, Perry W. Heart rate variability in bipolar mania and schizophrenia. J Psychiatr Res. 2010 Feb; 44(3):168-76. PMID: 19700172; PMCID: PMC2822123.
      View in: PubMed, PubMed Central
    39. Hassanein T, Blei AT, Perry W, Hilsabeck R, Stange J, Larsen FS, Brown RS, Caldwell S, McGuire B, Nevens F, Fontana R. Performance of the hepatic encephalopathy scoring algorithm in a clinical trial of patients with cirrhosis and severe hepatic encephalopathy. Am J Gastroenterol. 2009 Jun; 104(6):1392-400. PMID: 19455117.
      View in: PubMed
    40. Perry W. Beyond the numbers: expanding the boundaries of neuropsychology. Arch Clin Neuropsychol. 2009 Feb; 24(1):21-9. PMID: 19395354; PMCID: PMC2764504.
      View in: PubMed, PubMed Central
    41. Feifel D, Minassian A, Perry W. Prepulse inhibition of startle in adults with ADHD. J Psychiatr Res. 2009 Jan; 43(4):484-9. PMID: 18674783; PMCID: PMC2669714.
      View in: PubMed, PubMed Central
    42. Vigil O, Posada C, Woods SP, Atkinson JH, Heaton RK, Perry W, Hassanein TI, Grant I, Letendre SL. Impairments in fine-motor coordination and speed of information processing predict declines in everyday functioning in hepatitis C infection. J Clin Exp Neuropsychol. 2008 Oct; 30(7):805-15. PMID: 18608687; PMCID: PMC2837785.
      View in: PubMed, PubMed Central
    43. Dean KL, Viglione DJ, Perry W, Meyer GJ. A method to optimize the response range while maintaining Rorschach Comprehensive System validity. J Pers Assess. 2007 Oct; 89(2):149-61. PMID: 17764392.
      View in: PubMed
    44. Hassanein TI, Hilsabeck RC, Perry W. Introduction to the Hepatic Encephalopathy Scoring Algorithm (HESA). Dig Dis Sci. 2008 Feb; 53(2):529-38. PMID: 17710551.
      View in: PubMed
    45. Perry W, Hilsabeck RC, Hassanein TI. Cognitive dysfunction in chronic hepatitis C: a review. Dig Dis Sci. 2008 Feb; 53(2):307-21. PMID: 17703362.
      View in: PubMed
    46. Young JW, Minassian A, Paulus MP, Geyer MA, Perry W. A reverse-translational approach to bipolar disorder: rodent and human studies in the Behavioral Pattern Monitor. Neurosci Biobehav Rev. 2007; 31(6):882-96. PMID: 17706782; PMCID: PMC2025688.
      View in: PubMed, PubMed Central
    47. Mooney S, Hasssanein TI, Hilsabeck RC, Ziegler EA, Carlson M, Maron LM, Perry W. Utility of the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) in patients with end-stage liver disease awaiting liver transplant. Arch Clin Neuropsychol. 2007 Feb; 22(2):175-86. PMID: 17280813.
      View in: PubMed
    48. Minassian A, Paulus M, Lincoln A, Perry W. Adults with autism show increased sensitivity to outcomes at low error rates during decision-making. J Autism Dev Disord. 2007 Aug; 37(7):1279-88. PMID: 17080271.
      View in: PubMed
    49. Minassian A, Feifel D, Perry W. The relationship between sensorimotor gating and clinical improvement in acutely ill schizophrenia patients. Schizophr Res. 2007 Jan; 89(1-3):225-31. PMID: 17005374; PMCID: PMC2676911.
      View in: PubMed, PubMed Central
    50. Perry W, Minassian A, Lopez B, Maron L, Lincoln A. Sensorimotor gating deficits in adults with autism. Biol Psychiatry. 2007 Feb 15; 61(4):482-6. PMID: 16460695.
      View in: PubMed
    51. Perry W, Carlson MD, Barakat F, Hilsabeck RC, Schiehser DM, Mathews C, Hassanein TI. Neuropsychological test performance in patients co-infected with hepatitis C virus and HIV. AIDS. 2005 Oct; 19 Suppl 3:S79-84. PMID: 16251832.
      View in: PubMed
    52. Miller BP, Perry W, Moutier CY, Robinson SK, Feifel D. Rapid oral loading of extended release divalproex in patients with acute mania. Gen Hosp Psychiatry. 2005 May-Jun; 27(3):218-21. PMID: 15882770.
      View in: PubMed
    53. Minassian A, Granholm E, Verney S, Perry W. Visual scanning deficits in schizophrenia and their relationship to executive functioning impairment. Schizophr Res. 2005 Apr 01; 74(1):69-79. PMID: 15694756.
      View in: PubMed
    54. Perry W, Crean RD. A retrospective review of the neuropsychological test performance of physicians referred for medical infractions. Arch Clin Neuropsychol. 2005 Mar; 20(2):161-70. PMID: 15708726.
      View in: PubMed
    55. Hilsabeck RC, Hassanein TI, Perry W. Biopsychosocial predictors of fatigue in chronic hepatitis C. J Psychosom Res. 2005 Feb; 58(2):173-8. PMID: 15820845.
      View in: PubMed
    56. Hilsabeck RC, Hassanein TI, Ziegler EA, Carlson MD, Perry W. Effect of interferon-alpha on cognitive functioning in patients with chronic hepatitis C. J Int Neuropsychol Soc. 2005 Jan; 11(1):16-22. PMID: 15686604.
      View in: PubMed
    57. Minassian A, Paulus MP, Perry W. Increased sensitivity to error during decision-making in bipolar disorder patients with acute mania. J Affect Disord. 2004 Oct 15; 82(2):203-8. PMID: 15488248.
      View in: PubMed
    58. Feifel D, Farber RH, Clementz BA, Perry W, Anllo-Vento L. Inhibitory deficits in ocular motor behavior in adults with attention-deficit/hyperactivity disorder. Biol Psychiatry. 2004 Sep 01; 56(5):333-9. PMID: 15336515.
      View in: PubMed
    59. Perry W, Minassian A, Feifel D. Prepulse inhibition in patients with non-psychotic major depressive disorder. J Affect Disord. 2004 Aug; 81(2):179-84. PMID: 15306146.
      View in: PubMed
    60. Maron LM, Carlson MD, Minassian A, Perry W. A process approach to verbal fluency in patients with schizophrenia. Schizophr Res. 2004 May 01; 68(1):105-6. PMID: 15037345.
      View in: PubMed
    61. Minassian A, Granholm E, Verney S, Perry W. Pupillary dilation to simple vs. complex tasks and its relationship to thought disturbance in schizophrenia patients. Int J Psychophysiol. 2004 Mar; 52(1):53-62. PMID: 15003372.
      View in: PubMed
    62. Anderson CM, Kerby JD, Perry W, Sorrells DL. Pneumoretroperitoneum in two patients with Clostridium perfringens necrotizing pancreatitis. Am Surg. 2004 Mar; 70(3):268-71. PMID: 15055853.
      View in: PubMed
    63. Perry W. Let's call the whole thing off: a response to Dawes (2001). Psychol Assess. 2003 Dec; 15(4):582-5. PMID: 14692852.
      View in: PubMed
    64. Viglione DJ, Perry W, Meyer G. Refinements in the Rorschach Ego Impairment Index incorporating the human representational variable. J Pers Assess. 2003 Oct; 81(2):149-56. PMID: 12946921.
      View in: PubMed
    65. Hilsabeck RC, Hassanein TI, Carlson MD, Ziegler EA, Perry W. Cognitive functioning and psychiatric symptomatology in patients with chronic hepatitis C. J Int Neuropsychol Soc. 2003 Sep; 9(6):847-54. PMID: 14632243.
      View in: PubMed
    66. Minassian A, Perry W, Carlson M, Pelham M, DeFilippis N. The category test perseveration, loss of set, and memory scales: three new scales and their relationship to executive functioning measures. Assessment. 2003 Sep; 10(3):213-21. PMID: 14503644.
      View in: PubMed
    67. Viglione DJ, Perry W, Jansak D, Meyer G, Exner JE. Modifying the Rorschach Human Experience Variable to create the Human Representational Variable. J Pers Assess. 2003 Aug; 81(1):64-73. PMID: 12842803.
      View in: PubMed
    68. Perry W, Minassian A, Cadenhead K, Sprock J, Braff D. The use of the Ego Impairment Index across the schizophrenia spectrum. J Pers Assess. 2003 Feb; 80(1):50-7. PMID: 12584067.
      View in: PubMed
    69. Robinson SK, McQuaid JR, Viirre ES, Betzig LL, Miller DL, Bailey KA, Harris JP, Perry W. Relationship of tinnitus questionnaires to depressive symptoms, quality of well-being, and internal focus. Int Tinnitus J. 2003; 9(2):97-103. PMID: 15106282.
      View in: PubMed
    70. Perry W, Feifel D, Minassian A, Bhattacharjie I, Braff DL. Information processing deficits in acutely psychotic schizophrenia patients medicated and unmedicated at the time of admission. Am J Psychiatry. 2002 Aug; 159(8):1375-81. PMID: 12153831.
      View in: PubMed
    71. Feifel D, Moutier CY, Perry W. Safety and tolerability of a rapidly escalating dose-loading regimen for risperidone. J Clin Psychiatry. 2002 Feb; 63(2):169. PMID: 11874225.
      View in: PubMed
    72. Hilsabeck RC, Perry W, Hassanein TI. Neuropsychological impairment in patients with chronic hepatitis C. Hepatology. 2002 Feb; 35(2):440-6. PMID: 11826421.
      View in: PubMed
    73. Auslander LA, Perry W, Jeste DV. Assessing disturbed thinking and cognition using the Ego Impairment Index in older schizophrenia patients: paranoid vs. nonparanoid distinction. Schizophr Res. 2002 Jan 15; 53(3):199-207. PMID: 11738533.
      View in: PubMed
    74. Perry W. Incremental validity of the Ego Impairment Index: a re-examination of Dawes (1999). Psychol Assess. 2001 Sep; 13(3):403-7. PMID: 11556278.
      View in: PubMed
    75. Perry W, Potterat EG, Braff DL. Self-monitoring enhances Wisconsin Card Sorting Test performance in patients with schizophrenia: performance is improved by simply asking patients to verbalize their sorting strategy. J Int Neuropsychol Soc. 2001 Mar; 7(3):344-52. PMID: 11311035.
      View in: PubMed
    76. Perry W, Heaton RK, Potterat E, Roebuck T, Minassian A, Braff DL. Working memory in schizophrenia: transient "online" storage versus executive functioning. Schizophr Bull. 2001; 27(1):157-76. PMID: 11215544.
      View in: PubMed
    77. Perry W, Light GA, Davis H, Braff DL. Schizophrenia patients demonstrate a dissociation on declarative and non-declarative memory tests. Schizophr Res. 2000 Dec 15; 46(2-3):167-74. PMID: 11120428.
      View in: PubMed
    78. Perry W, Geyer MA, Braff DL. Sensorimotor gating and thought disturbance measured in close temporal proximity in schizophrenic patients. Arch Gen Psychiatry. 1999 Mar; 56(3):277-81. PMID: 10078506.
      View in: PubMed
    79. Perry W, Braff DL. A multimethod approach to assessing perseverations in schizophrenia patients. Schizophr Res. 1998 Sep 07; 33(1-2):69-77. PMID: 9783346.
      View in: PubMed
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