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Comparing Prefrontal Gray and White Matter Contributions to Intelligence and Decision Making in Schizophrenia and Healthy Controls
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Institution: |
1University of Massachusetts, Boston and Boston VA Healthcare system-Brockton Division, MA, USA. 2Boston VA Healthcare System-Brockton Division, MA and Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA. |
Publisher: |
American Psychological Association |
Publication Date: |
Jan-2010 |
Journal: |
Neuropsychology |
Volume Number: |
24 |
Issue Number: |
1 |
Pages: |
121-9 |
Citation: |
Neuropsychology. 2010 Jan;24(1):121-9. |
PubMed ID: |
20063953 |
PMCID: |
PMC2814796 |
Appears in Collections: |
PNL |
Generated Citation: |
Nestor P.G., Kubicki M., Nakamura M., Niznikiewicz M., McCarley R.W., Shenton M.E. Comparing Prefrontal Gray and White Matter Contributions to Intelligence and Decision Making in Schizophrenia and Healthy Controls. Neuropsychology. 2010 Jan;24(1):121-9. PMID: 20063953. PMCID: PMC2814796. |
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| Paper: | Download, View online |
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The authors examined the relationship between neuropsychological performance and MRI of the orbital frontal cortex (OFC) and diffusion tensor imaging (DTI) of the cingulum bundle (CB) within groups of patients with schizophrenia and healthy subjects. The authors analyzed data from subjects, who had participated in prior MRI, DTI, and neuropsychological studies (Nakamura et al., 2008; Nestor et al., 2008). In comparison to healthy subjects, patients showed the expected reductions across CB fractional anisotropy (white matter) and OFC gray matter volume as well as lower neuropsychological scores. In addition, in comparison to healthy subjects, patients showed a very different pattern of functional-anatomical correlates. For patients, CB white matter but not OFC gray matter correlated with various aspects of intelligence, including general abilities and working memory. For controls, OFC gray matter but not CB white matter correlated with scores on tests of intelligence and decision making. These results point to the potentially important role of CB white matter in the neuropsychological disturbance in schizophrenia.
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