PI Name: |
PATRICK BARTA, M.D. |
PI Name: |
NANCY HONEYCUTT, PhD |
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DEPARTMENT OF PSYCHIATRY AND BEHAVIORAL SCIENCES |
PI Name: |
GODFREY PEARLSON, M.D. |
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CLINICAL COGNITIVE NEUROSCIENCE LABORATORY |
Project Title: |
AUDITORY HALLUNICATION IN SCHIZOPHRENIA |
The planum temporale (PT) has been of interest because of (1) its consistent left greater than right asymmetry among right-handed and most left-handed normal individuals; and (2) its relation to language, another variable shown to be highly left-lateralized in normal subjects. Individuals with neurodevelopmental disorders have been reported to show abnormal PT asymmetry (either reversed or absent asymmetry). Several studies have been conducted measuring the PT on MRI scans, although the results do not always concur. We review some of these studies and discuss methodological differences between them. Additionally, we propose a method that has proved to be highly reliable for the measurement of both temporal PT and its parietal extension (PT+).
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Honeycutt NA, Musick A, Barta PE, Pearlson GD: Measurement of the planum temporale (PT) on magnetic resonance imaging scans: temporal PT alone and with parietal extension. Psychiatry Res 2000 Apr 10;98(2):103-16.
Clinical Cognitive Neuroscience Laboratory, The Institute of Living, Hartford Hospital
Division of Psychiatric Neuro-Imaging, Department of Psychiatric Neuro-Imaging, Johns Hopkins University School of Medicine
20 subvolumes(10 each of left and right) are available in two formats: ANALYZE (7.5) and MATLAB formats.
The MATLAB data was generated on Linux but can be read in by other *IX systems.
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