Journal article
Anatomical abnormalities of the anterior cingulate and paracingulate cortex in patients with bipolar I disorder
Psychiatry Research: Neuroimaging, Vol.162(2), pp.123-132
2008
Abstract
Abnormalities of the anterior cingulate cortex (ACC) are thought to be involved in the pathophysiology of bipolar disorder, but structural Magnetic Resonance Imaging (MRI) studies have reported variable findings. Reasons for this include a failure to consider variability in regional cortical folding patterns and a reliance on relatively coarse measures (e.g., volume) to index anatomical change. We sought to overcome these limitations by combining a novel protocol for parcellating the ACC and adjacent paracingulate cortex (PaC) that accounts for inter-individual variations in sulcal and gyral morphology with a cortical surface-based approach that allowed calculation of regional grey matter volume, surface area and cortical thickness in 24 patients with bipolar I disorder and 24 matched controls. No changes in grey matter volume or surface area were identified in any region, but patients did show significant reductions in cortical thickness in the left rostral PaC and right dorsal PaC that were not attributable to group differences in cortical folding patterns. These findings suggest that bipolar disorder is associated with more pronounced changes in the PaC, and that reliance on volumetric measures alone may obscure more subtle differences. © 2007.
Details
- Title
- Anatomical abnormalities of the anterior cingulate and paracingulate cortex in patients with bipolar I disorder
- Authors
- A Fornito (Author) - University of SydneyG S Malhi (Author) - University of SydneyJim Lagopoulos (Author) - University of SydneyB Ivanovski (Author) - University of SydneyS J Wood (Author) - University of SydneyM M Saling (Author) - University of SydneyC Pantelis (Author) - University of SydneyM Yücel (Author) - University of Sydney
- Publication details
- Psychiatry Research: Neuroimaging, Vol.162(2), pp.123-132
- Publisher
- Elsevier Ireland Ltd.
- Date published
- 2008
- DOI
- 10.1016/j.pscychresns.2007.06.004
- ISSN
- 0925-4927
- Organisation Unit
- University of the Sunshine Coast, Queensland; Thompson Institute
- Language
- English
- Record Identifier
- 99449156002621
- Output Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Web Of Science research areas
- Clinical Neurology
- Neuroimaging
- Psychiatry
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Source: InCites