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  • Áßµ¶¡¤ºÎÀÛ¿ë | Cases and Studies of Addiction & Disorder in Lottery & Gambling | ñéÔ¸ & òðÜ»

    date : 2015-05-20 01:10|hit : 1883
    Article] Diffusion tensor imaging of anterior commissural fibers in patients with schizophrenia
    DocNo of ILP: 1871

    Doc. Type: Article

    Title: Diffusion tensor imaging of anterior commissural fibers in patients with schizophrenia

    Authors: Choi, H; Kubicki, M; Whitford, TJ; Alvarado, JL; Terry, DP; Niznikiewicz, M; McCarley, RW; Kwon, JS; Shenton, ME

    Full Name of Authors: Choi, Hongyoon; Kubicki, Marek; Whitford, Thomas J.; Alvarado, Jorge L.; Terry, Douglas P.; Niznikiewicz, Margaret; McCarley, Robert W.; Kwon, Jun Soo; Shenton, Martha E.

    Keywords by Author: Schizophrenia; Diffusion tensor imaging; Anterior commissure; White matter tractography; Fractional anisotropy; Trace

    Keywords Plus: WHITE-MATTER ABNORMALITIES; HUMAN PREFRONTAL CORTEX; IOWA GAMBLING TASK; CORPUS-CALLOSUM; DECISION-MAKING; AUDITORY HALLUCINATIONS; ONSET SCHIZOPHRENIA; TEMPORAL-LOBE; HUMAN BRAIN; DISORDER

    Abstract: Introduction: Alterations in white matter connections in schizophrenia have been investigated using diffusion tensor imaging (DTI). There is also evidence from post-mortem studies as well as from magnetic resonance imaging morphometry studies that the anterior commissure (AC) might be implicated in schizophrenia, but no studies, to date, have investigated the AC using DTI or tractography. Method: DTI scans were analyzed from 25 patients and 23 controls. Mean fractional anisotropy (FA) and trace were measured from the AC tracts. SANS and SAPS were used to evaluate clinical symptoms, and the Iowa Gambling Task, related to decision making, was also examined. Results: Results revealed a significant decrease in mean FA and a significant increase in mean trace of AC tracts in patients compared with controls. In addition, patients, but not controls, showed a negative correlation between age and AC integrity. Statistically significant positive correlations were also found between AC FA and total positive symptom score. Decision making was negatively correlated with FA in patients on the Iowa Gambling Task, but not in controls. Conclusion: This study provides quantitative evidence for a reduction of interhemispheric connectivity in schizophrenia within the AC. Negative correlation between age and AC FA in the patients is consistent with the idea that schizophrenia may be a disorder of white matter maturation. Positive correlation between FA and positive symptom is discussed in the context of white matter's established role in modulating neural conduction velocity. Published by Elsevier B.V.

    Cate of OECD: Clinical medicine

    Year of Publication: 2011

    Business Area: gamble

    Detail Business: gamble

    Country: Netherlands

    Study Area:

    Name of Journal: SCHIZOPHRENIA RESEARCH

    Language: English

    Country of Authors: [Choi, Hongyoon; Kubicki, Marek; Whitford, Thomas J.; Alvarado, Jorge L.; Terry, Douglas P.; Shenton, Martha E.] Harvard Univ, Sch Med, Brigham & Womens Hosp, Psychiat Neuroimaging Lab,Dept Psychiat, Boston, MA 02215 USA; [Kwon, Jun Soo] Seoul Natl Univ, Coll Med, Dept Psychiat, Seoul, South Korea; [Kubicki, Marek; Niznikiewicz, Margaret; McCarley, Robert W.; Shenton, Martha E.] VA Boston Healthcare Syst, Neurosci Lab, Clin Neurosci Div, Brockton, MA USA; [Whitford, Thomas J.] Univ Melbourne, Dept Psychiat, Melbourne Neuropsychiat Ctr, Melbourne, Vic, Australia; [Whitford, Thomas J.] Melbourne Hlth, Melbourne, Vic, Australia; [Kwon, Jun Soo] Seoul Natl Univ, Coll Nat Sci, Dept Brain & Cognit Sci, WCU Program, Seoul 151742, South Korea; [Shenton, Martha E.] Harvard Univ, Sch Med, Brigham & Womens Hosp, Dept Radiol,MRI Div,Surg Planning Lab, Boston, MA 02215 USA

    Press Adress: Shenton, ME (reprint author), Harvard Univ, Sch Med, Brigham & Womens Hosp, Psychiat Neuroimaging Lab,Dept Psychiat, 1249 Boylston St, Boston, MA 02215 USA.

    Email Address: Shenton@bwh.harvard.edu

    Citaion:

    Funding: National Institute of Health [K05 MH070047, R01 MH 50740, R01 MN 40799, P50MH 080272]; Department of Veterans Affairs; VA Schizophrenia Center; National Alliance for Medical Image Computing (NA-MIC); National Institutes of Health Roadmap for Medical Research [U54 E8005149]; National Health and Medical Council of Australia through University of Melbourne [NHMRC 520627]

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    Number of Citaion: 77

    Publication: ELSEVIER SCIENCE BV

    City of Publication: AMSTERDAM

    Address of Publication: PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS

    ISSN: 0920-9964

    29-Character Source Abbreviation: SCHIZOPHR RES

    ISO Source Abbreviation: Schizophr. Res.

    Volume: 130

    Version: 41642

    Start of File: 78

    End of File: 85

    DOI: 10.1016/j.schres.2011.04.016

    Number of Pages: 8

    Web of Science Category: Psychiatry

    Subject Category: Psychiatry

    Document Delivery Number: 811SZ

    Unique Article Identifier: WOS:000294237700011

    [ÀÌ °Ô½Ã¹°Àº HyeJung Mo¡¦´Ô¿¡ ÀÇÇØ 2015-05-20 20:21:01 GAMBLING¿¡¼­ À̵¿ µÊ]
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