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John D Ragland

Title(s)Professor, Psychiatry and Behavioral Sciences
SchoolUniversity of California, Davis
Phone916-734-5802
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    Collapse Research 
    Collapse Research Activities and Funding
    Neural Mechanisms of Memory Dysfunction in Schizophrenia
    NIH/NIMH R01MH105411Dec 1, 2014 - Nov 30, 2018
    Role: Principal Investigator
    Brain mechanisms of impaired episodic memory in schizophrenia
    NIH/NIMH R01MH084895Mar 17, 2010 - Feb 28, 2015
    Role: Principal Investigator
    Word Encoding and Recognition in Schizophrenia
    NIH/NIMH R01MH062103Dec 1, 2001 - Nov 30, 2006
    Role: Principal Investigator
    PET CBF STUDY OF MEMORY COMPONENTS IN SCHIZOPHRENIA
    NIH/NIMH R29MH053326May 1, 1996 - Apr 30, 2001
    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.
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    1. Chari S, Minzenberg MJ, Solomon M, Ragland JD, Nguyen Q, Carter CS, Yoon JH. Impaired prefrontal functional connectivity associated with working memory task performance and disorganization despite intact activations in schizophrenia. Psychiatry Res Neuroimaging. 2019 May 30; 287:10-18. PMID: 30933745.
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    2. Fleming LM, Javitt DC, Carter CS, Kantrowitz JT, Girgis RR, Kegeles LS, Ragland JD, Maddock RJ, Lesh TA, Tanase C, Robinson J, Potter WZ, Carlson M, Wall MM, Choo TH, Grinband J, Lieberman J, Krystal JH, Corlett PR. A multicenter study of ketamine effects on functional connectivity: Large scale network relationships, hubs and symptom mechanisms. Neuroimage Clin. 2019; 22:101739. PMID: 30852397.
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    3. Flegal KE, Ragland JD, Ranganath C. Adaptive task difficulty influences neural plasticity and transfer of training. Neuroimage. 2019 03; 188:111-121. PMID: 30521951.
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    4. Niendam TA, Ray KL, Iosif AM, Lesh TA, Ashby SR, Patel PK, Smucny J, Ferrer E, Solomon M, Ragland JD, Carter CS. Association of Age at Onset and Longitudinal Course of Prefrontal Function in Youth With Schizophrenia. JAMA Psychiatry. 2018 12 01; 75(12):1252-1260. PMID: 30285056.
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    5. Libby LA, Reagh ZM, Bouffard NR, Ragland JD, Ranganath C. The Hippocampus Generalizes across Memories that Share Item and Context Information. J Cogn Neurosci. 2018 Sep 21; 1-12. PMID: 30240315.
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    6. Guo JY, Ragland JD, Carter CS. Memory and cognition in schizophrenia. Mol Psychiatry. 2019 May; 24(5):633-642. PMID: 30242229.
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    7. Maddock RJ, Caton MD, Ragland JD. Estimating glutamate and Glx from GABA-optimized MEGA-PRESS: Off-resonance but not difference spectra values correspond to PRESS values. Psychiatry Res Neuroimaging. 2018 09 30; 279:22-30. PMID: 30081290.
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    8. Javitt DC, Carter CS, Krystal JH, Kantrowitz JT, Girgis RR, Kegeles LS, Ragland JD, Maddock RJ, Lesh TA, Tanase C, Corlett PR, Rothman DL, Mason G, Qiu M, Robinson J, Potter WZ, Carlson M, Wall MM, Choo TH, Grinband J, Lieberman JA. Utility of Imaging-Based Biomarkers for Glutamate-Targeted Drug Development in Psychotic Disorders: A Randomized Clinical Trial. JAMA Psychiatry. 2018 01 01; 75(1):11-19. PMID: 29167877.
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    9. Carrión RE, Walder DJ, Auther AM, McLaughlin D, Zyla HO, Adelsheim S, Calkins R, Carter CS, McFarland B, Melton R, Niendam T, Ragland JD, Sale TG, Taylor SF, McFarlane WR, Cornblatt BA. From the psychosis prodrome to the first-episode of psychosis: No evidence of a cognitive decline. J Psychiatr Res. 2018 01; 96:231-238. PMID: 29121595.
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    10. Smucny J, Lesh TA, Newton K, Niendam TA, Ragland JD, Carter CS. Levels of Cognitive Control: A Functional Magnetic Resonance Imaging-Based Test of an RDoC Domain Across Bipolar Disorder and Schizophrenia. Neuropsychopharmacology. 2018 02; 43(3):598-606. PMID: 28948978.
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    11. Ray KL, Lesh TA, Howell AM, Salo TP, Ragland JD, MacDonald AW, Gold JM, Silverstein SM, Barch DM, Carter CS. Functional network changes and cognitive control in schizophrenia. Neuroimage Clin. 2017; 15:161-170. PMID: 28529872.
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    12. Barch DM, Carter CS, Gold JM, Johnson SL, Kring AM, MacDonald AW, Pizzagalli DA, Ragland JD, Silverstein SM, Strauss ME. Explicit and implicit reinforcement learning across the psychosis spectrum. J Abnorm Psychol. 2017 Jul; 126(5):694-711. PMID: 28406662.
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    13. Greenland-White SE, Ragland JD, Niendam TA, Ferrer E, Carter CS. Episodic memory functions in first episode psychosis and clinical high risk individuals. Schizophr Res. 2017 10; 188:151-157. PMID: 28143678.
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    14. Ragland JD, Layher E, Hannula DE, Niendam TA, Lesh TA, Solomon M, Carter CS, Ranganath C. Impact of schizophrenia on anterior and posterior hippocampus during memory for complex scenes. Neuroimage Clin. 2017; 13:82-88. PMID: 27942450.
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    15. Sousa A, Gomar JJ, Ragland JD, Conejero-Goldberg C, Buthorn J, Keehlisen L, Huey TE, Koppel J, Gordon ML, Christen E, Goldberg TE. The Relational and Item-Specific Encoding Task in Mild Cognitive Impairment and Alzheimer Disease. Dement Geriatr Cogn Disord. 2016; 42(5-6):265-277. PMID: 27723653.
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    16. Ragland JD, Solomon M. Categorical Dimensions of Social Impairment and Disrupted Functional Connectivity in Autism Spectrum Disorders: When Does Continuous Become Discrete? Biol Psychiatry. 2016 07 15; 80(2):90-91. PMID: 27346081.
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    17. Solomon M, McCauley JB, Iosif AM, Carter CS, Ragland JD. Cognitive control and episodic memory in adolescents with autism spectrum disorders. Neuropsychologia. 2016 08; 89:31-41. PMID: 27184119.
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    18. Poppe AB, Barch DM, Carter CS, Gold JM, Ragland JD, Silverstein SM, MacDonald AW. Reduced Frontoparietal Activity in Schizophrenia Is Linked to a Specific Deficit in Goal Maintenance: A Multisite Functional Imaging Study. Schizophr Bull. 2016 09; 42(5):1149-57. PMID: 27060129.
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    19. Lopez-Garcia P, Lesh TA, Salo T, Barch DM, MacDonald AW, Gold JM, Ragland JD, Strauss M, Silverstein SM, Carter CS. The neural circuitry supporting goal maintenance during cognitive control: a comparison of expectancy AX-CPT and dot probe expectancy paradigms. Cogn Affect Behav Neurosci. 2016 Feb; 16(1):164-75. PMID: 26494483.
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    20. Lynch S, McFarlane WR, Joly B, Adelsheim S, Auther A, Cornblatt BA, Migliorati M, Ragland JD, Sale T, Spring E, Calkins R, Carter CS, Jaynes R, Taylor SF, Downing D. Early Detection, Intervention and Prevention of Psychosis Program: Community Outreach and Early Identification at Six U.S. Sites. Psychiatr Serv. 2016 05 01; 67(5):510-6. PMID: 26766751.
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    21. Ragland JD, Ranganath C, Phillips J, Boudewyn MA, Kring AM, Lesh TA, Long DL, Luck SJ, Niendam TA, Solomon M, Swaab TY, Carter CS. Cognitive Control of Episodic Memory in Schizophrenia: Differential Role of Dorsolateral and Ventrolateral Prefrontal Cortex. Front Hum Neurosci. 2015; 9:604. PMID: 26617507.
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    22. Sheffield JM, Repovs G, Harms MP, Carter CS, Gold JM, MacDonald AW, Ragland JD, Silverstein SM, Godwin D, Barch DM. Evidence for Accelerated Decline of Functional Brain Network Efficiency in Schizophrenia. Schizophr Bull. 2016 May; 42(3):753-61. PMID: 26472685.
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    23. Solomon M, Ragland JD, Niendam TA, Lesh TA, Beck JS, Matter JC, Frank MJ, Carter CS. Atypical Learning in Autism Spectrum Disorders: A Functional Magnetic Resonance Imaging Study of Transitive Inference. J Am Acad Child Adolesc Psychiatry. 2015 Nov; 54(11):947-55. PMID: 26506585.
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    24. Ragland JD, Ranganath C, Harms MP, Barch DM, Gold JM, Layher E, Lesh TA, MacDonald AW, Niendam TA, Phillips J, Silverstein SM, Yonelinas AP, Carter CS. Functional and Neuroanatomic Specificity of Episodic Memory Dysfunction in Schizophrenia: A Functional Magnetic Resonance Imaging Study of the Relational and Item-Specific Encoding Task. JAMA Psychiatry. 2015 Sep; 72(9):909-16. PMID: 26200928.
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    25. Silverstein SM, Harms MP, Carter CS, Gold JM, Keane BP, MacDonald A, Ragland JD, Barch DM. Cortical contributions to impaired contour integration in schizophrenia. Neuropsychologia. 2015 Aug; 75:469-80. PMID: 26160288.
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    26. Sheffield JM, Repovs G, Harms MP, Carter CS, Gold JM, MacDonald AW, Daniel Ragland J, Silverstein SM, Godwin D, Barch DM. Fronto-parietal and cingulo-opercular network integrity and cognition in health and schizophrenia. Neuropsychologia. 2015 Jul; 73:82-93. PMID: 25979608.
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    27. Lesh TA, Tanase C, Geib BR, Niendam TA, Yoon JH, Minzenberg MJ, Ragland JD, Solomon M, Carter CS. A multimodal analysis of antipsychotic effects on brain structure and function in first-episode schizophrenia. JAMA Psychiatry. 2015 Mar; 72(3):226-34. PMID: 25588194.
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    28. Kappenman ES, Luck SJ, Kring AM, Lesh TA, Mangun GR, Niendam T, Ragland JD, Ranganath C, Solomon M, Swaab TY, Carter CS. Electrophysiological Evidence for Impaired Control of Motor Output in Schizophrenia. Cereb Cortex. 2016 May; 26(5):1891-9. PMID: 25618891.
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    29. Tso IF, Taylor SF, Grove TB, Niendam T, Adelsheim S, Auther A, Cornblatt B, Carter CS, Calkins R, Ragland JD, Sale T, McFarlane WR. Factor analysis of the Scale of Prodromal Symptoms: data from the Early Detection and Intervention for the Prevention of Psychosis Program. Early Interv Psychiatry. 2017 02; 11(1):14-22. PMID: 25529847.
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    30. Solomon M, Frank MJ, Ragland JD, Smith AC, Niendam TA, Lesh TA, Grayson DS, Beck JS, Matter JC, Carter CS. Feedback-driven trial-by-trial learning in autism spectrum disorders. Am J Psychiatry. 2015 Feb 01; 172(2):173-81. PMID: 25158242.
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    31. Yoon JH, Westphal AJ, Minzenberg MJ, Niendam T, Ragland JD, Lesh T, Solomon M, Carter CS. Task-evoked substantia nigra hyperactivity associated with prefrontal hypofunction, prefrontonigral disconnectivity and nigrostriatal connectivity predicting psychosis severity in medication naïve first episode schizophrenia. Schizophr Res. 2014 Nov; 159(2-3):521-6. PMID: 25266549.
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    32. Rothlind JC, York MK, Carlson K, Luo P, Marks WJ, Weaver FM, Stern M, Follett K, Reda D. Neuropsychological changes following deep brain stimulation surgery for Parkinson's disease: comparisons of treatment at pallidal and subthalamic targets versus best medical therapy. J Neurol Neurosurg Psychiatry. 2015 Jun; 86(6):622-9. PMID: 25185211.
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    33. McFarlane WR, Levin B, Travis L, Lucas FL, Lynch S, Verdi M, Williams D, Adelsheim S, Calkins R, Carter CS, Cornblatt B, Taylor SF, Auther AM, McFarland B, Melton R, Migliorati M, Niendam T, Ragland JD, Sale T, Salvador M, Spring E. Clinical and functional outcomes after 2 years in the early detection and intervention for the prevention of psychosis multisite effectiveness trial. Schizophr Bull. 2015 Jan; 41(1):30-43. PMID: 25065017.
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    34. Wang WC, Montchal ME, Yonelinas AP, Ragland JD. Hippocampal and parahippocampal cortex volume predicts recollection in schizophrenia. Schizophr Res. 2014 Aug; 157(1-3):319-20. PMID: 24893902.
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    35. Sheffield JM, Gold JM, Strauss ME, Carter CS, MacDonald AW, Ragland JD, Silverstein SM, Barch DM. Common and specific cognitive deficits in schizophrenia: relationships to function. Cogn Affect Behav Neurosci. 2014 Mar; 14(1):161-74. PMID: 24037621.
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    36. Fisher M, Loewy R, Carter C, Lee A, Ragland JD, Niendam T, Schlosser D, Pham L, Miskovich T, Vinogradov S. Neuroplasticity-based auditory training via laptop computer improves cognition in young individuals with recent onset schizophrenia. Schizophr Bull. 2015 Jan; 41(1):250-8. PMID: 24444862.
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    37. Solomon M, Yoon JH, Ragland JD, Niendam TA, Lesh TA, Fairbrother W, Carter CS. The development of the neural substrates of cognitive control in adolescents with autism spectrum disorders. Biol Psychiatry. 2014 Sep 01; 76(5):412-21. PMID: 24209777.
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    38. Niendam TA, Lesh TA, Yoon J, Westphal AJ, Hutchison N, Daniel Ragland J, Solomon M, Minzenberg M, Carter CS. Impaired context processing as a potential marker of psychosis risk state. Psychiatry Res. 2014 Jan 30; 221(1):13-20. PMID: 24120302.
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    39. Swaab TY, Boudewyn MA, Long DL, Luck SJ, Kring AM, Ragland JD, Ranganath C, Lesh T, Niendam T, Solomon M, Mangun GR, Carter CS. Spared and impaired spoken discourse processing in schizophrenia: effects of local and global language context. J Neurosci. 2013 Sep 25; 33(39):15578-87. PMID: 24068824.
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    40. Strauss ME, McLouth CJ, Barch DM, Carter CS, Gold JM, Luck SJ, MacDonald AW, Ragland JD, Ranganath C, Keane BP, Silverstein SM. Temporal stability and moderating effects of age and sex on CNTRaCS task performance. Schizophr Bull. 2014 Jul; 40(4):835-44. PMID: 23817024.
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    41. Paz-Alonso PM, Ghetti S, Ramsay I, Solomon M, Yoon J, Carter CS, Ragland JD. Semantic processes leading to true and false memory formation in schizophrenia. Schizophr Res. 2013 Jul; 147(2-3):320-5. PMID: 23623175.
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    42. Lesh TA, Westphal AJ, Niendam TA, Yoon JH, Minzenberg MJ, Ragland JD, Solomon M, Carter CS. Proactive and reactive cognitive control and dorsolateral prefrontal cortex dysfunction in first episode schizophrenia. Neuroimage Clin. 2013; 2:590-9. PMID: 24179809.
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    43. Owoso A, Carter CS, Gold JM, MacDonald AW, Ragland JD, Silverstein SM, Strauss ME, Barch DM. Cognition in schizophrenia and schizo-affective disorder: impairments that are more similar than different. Psychol Med. 2013 Dec; 43(12):2535-45. PMID: 23522057.
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    44. Libby LA, Yonelinas AP, Ranganath C, Ragland JD. Recollection and familiarity in schizophrenia: a quantitative review. Biol Psychiatry. 2013 May 15; 73(10):944-50. PMID: 23245761.
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    45. Keane BP, Silverstein SM, Barch DM, Carter CS, Gold JM, Kovács I, MacDonald AW, Ragland JD, Strauss ME. The spatial range of contour integration deficits in schizophrenia. Exp Brain Res. 2012 Aug; 220(3-4):251-9. PMID: 22710617.
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    46. Libby LA, Ekstrom AD, Ragland JD, Ranganath C. Differential connectivity of perirhinal and parahippocampal cortices within human hippocampal subregions revealed by high-resolution functional imaging. J Neurosci. 2012 May 09; 32(19):6550-60. PMID: 22573677.
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    47. Yoon JH, Nguyen DV, McVay LM, Deramo P, Minzenberg MJ, Ragland JD, Niendham T, Solomon M, Carter CS. Automated classification of fMRI during cognitive control identifies more severely disorganized subjects with schizophrenia. Schizophr Res. 2012 Mar; 135(1-3):28-33. PMID: 22277668.
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    48. Libby LA, Ragland JD. FMRI as a measure of cognition related brain circuitry in schizophrenia. Curr Top Behav Neurosci. 2012; 11:253-67. PMID: 22105156.
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    49. Henderson D, Poppe AB, Barch DM, Carter CS, Gold JM, Ragland JD, Silverstein SM, Strauss ME, MacDonald AW. Optimization of a goal maintenance task for use in clinical applications. Schizophr Bull. 2012 Jan; 38(1):104-13. PMID: 22199092.
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    50. Ragland JD, Ranganath C, Barch DM, Gold JM, Haley B, MacDonald AW, Silverstein SM, Strauss ME, Yonelinas AP, Carter CS. Relational and Item-Specific Encoding (RISE): task development and psychometric characteristics. Schizophr Bull. 2012 Jan; 38(1):114-24. PMID: 22124089.
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    51. Ragland JD, Cohen NJ, Cools R, Frank MJ, Hannula DE, Ranganath C. CNTRICS imaging biomarkers final task selection: Long-term memory and reinforcement learning. Schizophr Bull. 2012 Jan; 38(1):62-72. PMID: 22102094.
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    52. Barch DM, Carter CS, Dakin SC, Gold J, Luck SJ, Macdonald A, Ragland JD, Silverstein S, Strauss ME. The clinical translation of a measure of gain control: the contrast-contrast effect task. Schizophr Bull. 2012 Jan; 38(1):135-43. PMID: 22101963.
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    53. Gold JM, Barch DM, Carter CS, Dakin S, Luck SJ, MacDonald AW, Ragland JD, Ranganath C, Kovacs I, Silverstein SM, Strauss M. Clinical, functional, and intertask correlations of measures developed by the Cognitive Neuroscience Test Reliability and Clinical Applications for Schizophrenia Consortium. Schizophr Bull. 2012 Jan; 38(1):144-52. PMID: 22101961.
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    54. Silverstein SM, Keane BP, Barch DM, Carter CS, Gold JM, Kovács I, MacDonald A, Ragland JD, Strauss ME. Optimization and validation of a visual integration test for schizophrenia research. Schizophr Bull. 2012 Jan; 38(1):125-34. PMID: 22021658.
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    55. Ragland JD, Blumenfeld RS, Ramsay IS, Yonelinas A, Yoon J, Solomon M, Carter CS, Ranganath C. Neural correlates of relational and item-specific encoding during working and long-term memory in schizophrenia. Neuroimage. 2012 Jan 16; 59(2):1719-26. PMID: 21907293.
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    56. Leitman DI, Wolf DH, Laukka P, Ragland JD, Valdez JN, Turetsky BI, Gur RE, Gur RC. Not pitch perfect: sensory contributions to affective communication impairment in schizophrenia. Biol Psychiatry. 2011 Oct 01; 70(7):611-8. PMID: 21762876.
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    57. Solomon M, Olsen E, Niendam T, Ragland JD, Yoon J, Minzenberg M, Carter CS. From lumping to splitting and back again: atypical social and language development in individuals with clinical-high-risk for psychosis, first episode schizophrenia, and autism spectrum disorders. Schizophr Res. 2011 Sep; 131(1-3):146-51. PMID: 21458242.
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    58. Ursu S, Kring AM, Gard MG, Minzenberg MJ, Yoon JH, Ragland JD, Solomon M, Carter CS. Prefrontal cortical deficits and impaired cognition-emotion interactions in schizophrenia. Am J Psychiatry. 2011 Mar; 168(3):276-85. PMID: 21205806.
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    59. Hannula DE, Ranganath C, Ramsay IS, Solomon M, Yoon J, Niendam TA, Carter CS, Ragland JD. Use of eye movement monitoring to examine item and relational memory in schizophrenia. Biol Psychiatry. 2010 Oct 01; 68(7):610-6. PMID: 20673874.
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    60. Yoon JH, Maddock RJ, Rokem A, Silver MA, Minzenberg MJ, Ragland JD, Carter CS. GABA concentration is reduced in visual cortex in schizophrenia and correlates with orientation-specific surround suppression. J Neurosci. 2010 Mar 10; 30(10):3777-81. PMID: 20220012.
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    61. Calkins ME, Tepper P, Gur RC, Ragland JD, Klei L, Wiener HW, Richard J, Savage RM, Allen TB, O'Jile J, Devlin B, Kwentus J, Aliyu MH, Bradford LD, Edwards N, Lyons PD, Nimgaonkar VL, Santos AB, Go RC, Gur RE. Project among African-Americans to explore risks for schizophrenia (PAARTNERS): evidence for impairment and heritability of neurocognitive functioning in families of schizophrenia patients. Am J Psychiatry. 2010 Apr; 167(4):459-72. PMID: 20194479.
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    62. Leitman DI, Wolf DH, Ragland JD, Laukka P, Loughead J, Valdez JN, Javitt DC, Turetsky BI, Gur RC. "It's Not What You Say, But How You Say it": A Reciprocal Temporo-frontal Network for Affective Prosody. Front Hum Neurosci. 2010; 4:19. PMID: 20204074.
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    63. Yoon JH, Rokem AS, Silver MA, Minzenberg MJ, Ursu S, Ragland JD, Carter CS. Diminished orientation-specific surround suppression of visual processing in schizophrenia. Schizophr Bull. 2009 Nov; 35(6):1078-84. PMID: 19620601.
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    64. Ragland JD, Laird AR, Ranganath C, Blumenfeld RS, Gonzales SM, Glahn DC. Prefrontal activation deficits during episodic memory in schizophrenia. Am J Psychiatry. 2009 Aug; 166(8):863-74. PMID: 19411370.
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    65. Ragland JD, Cools R, Frank M, Pizzagalli DA, Preston A, Ranganath C, Wagner AD. CNTRICS final task selection: long-term memory. Schizophr Bull. 2009 Jan; 35(1):197-212. PMID: 18927344.
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    66. Yoon JH, Tamir D, Minzenberg MJ, Ragland JD, Ursu S, Carter CS. Multivariate pattern analysis of functional magnetic resonance imaging data reveals deficits in distributed representations in schizophrenia. Biol Psychiatry. 2008 Dec 15; 64(12):1035-41. PMID: 18822407.
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    67. Gur RC, Ragland JD, Reivich M, Greenberg JH, Alavi A, Gur RE. Regional differences in the coupling between resting cerebral blood flow and metabolism may indicate action preparedness as a default state. Cereb Cortex. 2009 Feb; 19(2):375-82. PMID: 18534991.
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    68. Yoon JH, Minzenberg MJ, Ursu S, Ryan Walter BS, Walters R, Wendelken C, Ragland JD, Carter CS. Association of dorsolateral prefrontal cortex dysfunction with disrupted coordinated brain activity in schizophrenia: relationship with impaired cognition, behavioral disorganization, and global function. Am J Psychiatry. 2008 Aug; 165(8):1006-14. PMID: 18519527.
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    69. Ranganath C, Minzenberg MJ, Ragland JD. The cognitive neuroscience of memory function and dysfunction in schizophrenia. Biol Psychiatry. 2008 Jul 01; 64(1):18-25. PMID: 18495087.
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    70. Dickinson D, Ragland JD, Gold JM, Gur RC. General and specific cognitive deficits in schizophrenia: Goliath defeats David? Biol Psychiatry. 2008 Nov 01; 64(9):823-7. PMID: 18472089.
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    71. Ragland JD, Moelter ST, Bhati MT, Valdez JN, Kohler CG, Siegel SJ, Gur RC, Gur RE. Effect of retrieval effort and switching demand on fMRI activation during semantic word generation in schizophrenia. Schizophr Res. 2008 Feb; 99(1-3):312-23. PMID: 18155880.
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    72. Ragland JD, Yoon J, Minzenberg MJ, Carter CS. Neuroimaging of cognitive disability in schizophrenia: search for a pathophysiological mechanism. Int Rev Psychiatry. 2007 Aug; 19(4):417-27. PMID: 17671874.
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    73. Gur RE, Nimgaonkar VL, Almasy L, Calkins ME, Ragland JD, Pogue-Geile MF, Kanes S, Blangero J, Gur RC. Neurocognitive endophenotypes in a multiplex multigenerational family study of schizophrenia. Am J Psychiatry. 2007 May; 164(5):813-9. PMID: 17475741.
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    74. Gur RC, Turetsky BI, Loughead J, Waxman J, Snyder W, Ragland JD, Elliott MA, Bilker WB, Arnold SE, Gur RE. Hemodynamic responses in neural circuitries for detection of visual target and novelty: An event-related fMRI study. Hum Brain Mapp. 2007 Apr; 28(4):263-74. PMID: 17133387.
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    75. Wolf DH, Gur RC, Valdez JN, Loughead J, Elliott MA, Gur RE, Ragland JD. Alterations of fronto-temporal connectivity during word encoding in schizophrenia. Psychiatry Res. 2007 Apr 15; 154(3):221-32. PMID: 17360163.
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    76. Gur RE, Turetsky BI, Loughead J, Snyder W, Kohler C, Elliott M, Pratiwadi R, Ragland JD, Bilker WB, Siegel SJ, Kanes SJ, Arnold SE, Gur RC. Visual attention circuitry in schizophrenia investigated with oddball event-related functional magnetic resonance imaging. Am J Psychiatry. 2007 Mar; 164(3):442-9. PMID: 17329469.
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    77. Aliyu MH, Calkins ME, Swanson CL, Lyons PD, Savage RM, May R, Wiener H, McLeod-Bryant S, Devlin B, Nimgaonkar VL, Ragland JD, Gur RE, Gur RC, Bradford LD, Edwards N, Kwentus J, McEvoy JP, Santos AB, McCleod-Bryant S, Tennison C, Go RC, Allen TB. Project among African-Americans to explore risks for schizophrenia (PAARTNERS): recruitment and assessment methods. Schizophr Res. 2006 Oct; 87(1-3):32-44. PMID: 16887335.
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    78. Weiss EM, Ragland JD, Brensinger CM, Bilker WB, Deisenhammer EA, Delazer M. Sex differences in clustering and switching in verbal fluency tasks. J Int Neuropsychol Soc. 2006 Jul; 12(4):502-9. PMID: 16981602.
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    79. Ragland JD, Valdez JN, Loughead J, Gur RC, Gur RE. Functional magnetic resonance imaging of internal source monitoring in schizophrenia: recognition with and without recollection. Schizophr Res. 2006 Oct; 87(1-3):160-71. PMID: 16814525.
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    80. Ragland JD, McCarthy E, Bilker WB, Brensinger CM, Valdez J, Kohler C, Gur RE, Gur RC. Levels-of-processing effect on internal source monitoring in schizophrenia. Psychol Med. 2006 May; 36(5):641-8. PMID: 16608558.
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    81. Dickinson D, Ragland JD, Calkins ME, Gold JM, Gur RC. A comparison of cognitive structure in schizophrenia patients and healthy controls using confirmatory factor analysis. Schizophr Res. 2006 Jul; 85(1-3):20-9. PMID: 16616831.
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    82. Siegel SJ, Irani F, Brensinger CM, Kohler CG, Bilker WB, Ragland JD, Kanes SJ, Gur RC, Gur RE. Prognostic variables at intake and long-term level of function in schizophrenia. Am J Psychiatry. 2006 Mar; 163(3):433-41. PMID: 16513864.
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    83. Gur RE, Kohler CG, Ragland JD, Siegel SJ, Lesko K, Bilker WB, Gur RC. Flat affect in schizophrenia: relation to emotion processing and neurocognitive measures. Schizophr Bull. 2006 Apr; 32(2):279-87. PMID: 16452608.
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    84. Moelter ST, Hill SK, Hughett P, Gur RC, Gur RE, Ragland JD. Organization of semantic category exemplars in schizophrenia. Schizophr Res. 2005 Oct 15; 78(2-3):209-17. PMID: 16002266.
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    85. Ragland JD, Gur RC, Valdez JN, Loughead J, Elliott M, Kohler C, Kanes S, Siegel SJ, Moelter ST, Gur RE. Levels-of-processing effect on frontotemporal function in schizophrenia during word encoding and recognition. Am J Psychiatry. 2005 Oct; 162(10):1840-8. PMID: 16199830.
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    86. Calkins ME, Gur RC, Ragland JD, Gur RE. Face recognition memory deficits and visual object memory performance in patients with schizophrenia and their relatives. Am J Psychiatry. 2005 Oct; 162(10):1963-6. PMID: 16199846.
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    87. Glahn DC, Ragland JD, Abramoff A, Barrett J, Laird AR, Bearden CE, Velligan DI. Beyond hypofrontality: a quantitative meta-analysis of functional neuroimaging studies of working memory in schizophrenia. Hum Brain Mapp. 2005 May; 25(1):60-9. PMID: 15846819.
      View in: PubMed
    88. Kurtz MM, Moberg PJ, Ragland JD, Gur RC, Gur RE. Symptoms versus neurocognitive test performance as predictors of psychosocial status in schizophrenia: a 1- and 4-year prospective study. Schizophr Bull. 2005 Jan; 31(1):167-74. PMID: 15888434.
      View in: PubMed
    89. Pelchat ML, Johnson A, Chan R, Valdez J, Ragland JD. Images of desire: food-craving activation during fMRI. Neuroimage. 2004 Dec; 23(4):1486-93. PMID: 15589112.
      View in: PubMed
    90. Elliott MA, Gualtieri EE, Hulvershorn J, Ragland JD, Gur R. The effects of geometric distortion correction on motion realignment in fMRI. Acad Radiol. 2004 Sep; 11(9):1005-10. PMID: 15350581.
      View in: PubMed
    91. Ragland JD, Gur RC, Valdez J, Turetsky BI, Elliott M, Kohler C, Siegel S, Kanes S, Gur RE. Event-related fMRI of frontotemporal activity during word encoding and recognition in schizophrenia. Am J Psychiatry. 2004 Jun; 161(6):1004-15. PMID: 15169688.
      View in: PubMed
    92. Irani F, Dankert M, Brensinger C, Bilker WB, Nair SR, Kohler CG, Kanes SJ, Turetsky BI, Moberg PJ, Ragland JD, Gur RC, Gur RE, Siegel SJ. Patient attitudes towards surgically implantable, long-term delivery of psychiatric medicine. Neuropsychopharmacology. 2004 May; 29(5):960-8. PMID: 14970826.
      View in: PubMed
    93. Kurtz MM, Ragland JD, Moberg PJ, Gur RC. The Penn Conditional Exclusion Test: a new measure of executive-function with alternate forms of repeat administration. Arch Clin Neuropsychol. 2004 Mar; 19(2):191-201. PMID: 15010085.
      View in: PubMed
    94. Lowery N, Ragland JD, Gur RC, Gur RE, Moberg PJ. Normative data for the symbol cancellation test in young healthy adults. Appl Neuropsychol. 2004; 11(4):218-21. PMID: 15673495.
      View in: PubMed
    95. Ragland JD, Moelter ST, McGrath C, Hill SK, Gur RE, Bilker WB, Siegel SJ, Gur RC. Levels-of-processing effect on word recognition in schizophrenia. Biol Psychiatry. 2003 Dec 01; 54(11):1154-61. PMID: 14643082.
      View in: PubMed
    96. Gur RE, Kohler C, Ragland JD, Siegel SJ, Bilker WB, Loughead J, Phend N, Gur RC. Neurocognitive performance and clinical changes in olanzapine-treated patients with schizophrenia. Neuropsychopharmacology. 2003 Nov; 28(11):2029-36. PMID: 12902996.
      View in: PubMed
    97. Ragland JD. Profiles of neuropsychologic function in schizophrenia. Curr Psychiatry Rep. 2003 Aug; 5(4):299-302. PMID: 12857533.
      View in: PubMed
    98. Gur RE, McGrath C, Chan RM, Schroeder L, Turner T, Turetsky BI, Kohler C, Alsop D, Maldjian J, Ragland JD, Gur RC. An fMRI study of facial emotion processing in patients with schizophrenia. Am J Psychiatry. 2002 Dec; 159(12):1992-9. PMID: 12450947.
      View in: PubMed
    99. Hill SK, Ragland JD, Gur RC, Gur RE. Neuropsychological profiles delineate distinct profiles of schizophrenia, an interaction between memory and executive function, and uneven distribution of clinical subtypes. J Clin Exp Neuropsychol. 2002 Sep; 24(6):765-80. PMID: 12424651.
      View in: PubMed
    100. Ragland JD, Turetsky BI, Gur RC, Gunning-Dixon F, Turner T, Schroeder L, Chan R, Gur RE. Working memory for complex figures: an fMRI comparison of letter and fractal n-back tasks. Neuropsychology. 2002 Jul; 16(3):370-9. PMID: 12146684.
      View in: PubMed
    101. Langleben DD, Schroeder L, Maldjian JA, Gur RC, McDonald S, Ragland JD, O'Brien CP, Childress AR. Brain activity during simulated deception: an event-related functional magnetic resonance study. Neuroimage. 2002 Mar; 15(3):727-32. PMID: 11848716.
      View in: PubMed
    102. Gur RC, Ragland JD, Moberg PJ, Turner TH, Bilker WB, Kohler C, Siegel SJ, Gur RE. Computerized neurocognitive scanning: I. Methodology and validation in healthy people. Neuropsychopharmacology. 2001 Nov; 25(5):766-76. PMID: 11682260.
      View in: PubMed
    103. Gur RC, Ragland JD, Moberg PJ, Bilker WB, Kohler C, Siegel SJ, Gur RE. Computerized neurocognitive scanning: II. The profile of schizophrenia. Neuropsychopharmacology. 2001 Nov; 25(5):777-88. PMID: 11682261.
      View in: PubMed
    104. Moelter ST, Hill SK, Ragland JD, Lunardelli A, Gur RC, Gur RE, Moberg PJ. Controlled and automatic processing during animal word list generation in schizophrenia. Neuropsychology. 2001 Oct; 15(4):502-9. PMID: 11761039.
      View in: PubMed
    105. Hill SK, Ragland JD, Gur RC, Gur RE. Neuropsychological differences among empirically derived clinical subtypes of schizophrenia. Neuropsychology. 2001 Oct; 15(4):492-501. PMID: 11761038.
      View in: PubMed
    106. Ragland JD, Gur RC, Raz J, Schroeder L, Kohler CG, Smith RJ, Alavi A, Gur RE. Effect of schizophrenia on frontotemporal activity during word encoding and recognition: a PET cerebral blood flow study. Am J Psychiatry. 2001 Jul; 158(7):1114-25. PMID: 11431234.
      View in: PubMed
    107. Kurtz MM, Ragland JD, Bilker W, Gur RC, Gur RE. Comparison of the continuous performance test with and without working memory demands in healthy controls and patients with schizophrenia. Schizophr Res. 2001 Mar 30; 48(2-3):307-16. PMID: 11295383.
      View in: PubMed
    108. Ragland JD, Gur RC, Lazarev MG, Smith RJ, Schroeder L, Raz J, Turetsky BI, Alavi A, Gur RE. Hemispheric activation of anterior and inferior prefrontal cortex during verbal encoding and recognition: a PET study of healthy volunteers. Neuroimage. 2000 Jun; 11(6 Pt 1):624-33. PMID: 10860791.
      View in: PubMed
    109. Ragland JD, Coleman AR, Gur RC, Glahn DC, Gur RE. Sex differences in brain-behavior relationships between verbal episodic memory and resting regional cerebral blood flow. Neuropsychologia. 2000; 38(4):451-61. PMID: 10683395.
      View in: PubMed
    110. Glahn DC, Cannon TD, Gur RE, Ragland JD, Gur RC. Working memory constrains abstraction in schizophrenia. Biol Psychiatry. 2000 Jan 01; 47(1):34-42. PMID: 10650447.
      View in: PubMed
    111. Kohler CG, Ances BM, Coleman AR, Ragland JD, Lazarev M, Gur RC. Marchiafava-Bignami disease: literature review and case report. Neuropsychiatry Neuropsychol Behav Neurol. 2000 Jan; 13(1):67-76. PMID: 10645739.
      View in: PubMed
    112. Ragland JD, Gur RE, Klimas BC, McGrady N, Gur RC. Neuropsychological laterality indices of schizophrenia: interactions with gender. Schizophr Bull. 1999; 25(1):79-89. PMID: 10098915.
      View in: PubMed
    113. Ragland JD, Gur RC, Glahn DC, Censits DM, Smith RJ, Lazarev MG, Alavi A, Gur RE. Frontotemporal cerebral blood flow change during executive and declarative memory tasks in schizophrenia: a positron emission tomography study. Neuropsychology. 1998 Jul; 12(3):399-413. PMID: 9673996.
      View in: PubMed
    114. Glahn DC, Gur RC, Ragland JD, Censits DM, Gur RE. Reliability, performance characteristics, construct validity, and an initial clinical application of a visual object learning test (VOLT). Neuropsychology. 1997 Oct; 11(4):602-612. PMID: 9345704.
      View in: PubMed
    115. Censits DM, Ragland JD, Gur RC, Gur RE. Neuropsychological evidence supporting a neurodevelopmental model of schizophrenia: a longitudinal study. Schizophr Res. 1997 Apr 11; 24(3):289-98. PMID: 9134589.
      View in: PubMed
    116. Ragland JD, Glahn DC, Gur RC, Censits DM, Smith RJ, Mozley PD, Alavi A, Gur RE. PET regional cerebral blood flow change during working and declarative memory: relationship with task performance. Neuropsychology. 1997 Apr; 11(2):222-31. PMID: 9110329.
      View in: PubMed
    117. Gur RC, Ragland JD, Mozley LH, Mozley PD, Smith R, Alavi A, Bilker W, Gur RE. Lateralized changes in regional cerebral blood flow during performance of verbal and facial recognition tasks: correlations with performance and "effort". Brain Cogn. 1997 Apr; 33(3):388-414. PMID: 9126402.
      View in: PubMed
    118. Ragland JD, Censits DM, Gur RC, Glahn DC, Gallacher F, Gur RE. Assessing declarative memory in schizophrenia using Wisconsin Card Sorting Test stimuli: the Paired Associate Recognition Test. Psychiatry Res. 1996 Mar 29; 60(2-3):135-45. PMID: 8723304.
      View in: PubMed
    119. Goldberg TE, Torrey EF, Gold JM, Bigelow LB, Ragland RD, Taylor E, Weinberger DR. Genetic risk of neuropsychological impairment in schizophrenia: a study of monozygotic twins discordant and concordant for the disorder. Schizophr Res. 1995 Sep; 17(1):77-84. PMID: 8541253.
      View in: PubMed
    120. Gur RC, Ragland JD, Resnick SM, Skolnick BE, Jaggi J, Muenz L, Gur RE. Lateralized increases in cerebral blood flow during performance of verbal and spatial tasks: relationship with performance level. Brain Cogn. 1994 Mar; 24(2):244-58. PMID: 8185896.
      View in: PubMed
    121. Gur RE, Jaggi JL, Shtasel DL, Ragland JD, Gur RC. Cerebral blood flow in schizophrenia: effects of memory processing on regional activation. Biol Psychiatry. 1994 Jan 01; 35(1):3-15. PMID: 8167200.
      View in: PubMed
    122. Gur RC, Jaggi JL, Ragland JD, Resnick SM, Shtasel D, Muenz L, Gur RE. Effects of memory processing on regional brain activation: cerebral blood flow in normal subjects. Int J Neurosci. 1993 Sep; 72(1-2):31-44. PMID: 8225798.
      View in: PubMed
    123. Torrey EF, Ragland JD, Gold JM, Goldberg TE, Bowler AE, Bigelow LB, Gottesman II. Handedness in twins with schizophrenia: was Boklage correct? Schizophr Res. 1993 Mar; 9(1):83-5. PMID: 8461274.
      View in: PubMed
    124. Goldberg TE, Torrey EF, Gold JM, Ragland JD, Bigelow LB, Weinberger DR. Learning and memory in monozygotic twins discordant for schizophrenia. Psychol Med. 1993 Feb; 23(1):71-85. PMID: 8475218.
      View in: PubMed
    125. Ragland JD, Goldberg TE, Wexler BE, Gold JM, Torrey EF, Weinberger DR. Dichotic listening in monozygotic twins discordant and concordant for schizophrenia. Schizophr Res. 1992 Jul; 7(2):177-83. PMID: 1515379.
      View in: PubMed
    126. Goldberg TE, Ragland JD, Torrey EF, Gold JM, Bigelow LB, Weinberger DR. Neuropsychological assessment of monozygotic twins discordant for schizophrenia. Arch Gen Psychiatry. 1990 Nov; 47(11):1066-72. PMID: 2241508.
      View in: PubMed
    127. Goldberg TE, Kleinman JE, Daniel DG, Myslobodsky MS, Ragland JD, Weinberger DR. Dementia praecox revisited. Age disorientation, mental status, and ventricular enlargement. Br J Psychiatry. 1988 Aug; 153:187-90. PMID: 3267141.
      View in: PubMed