Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri.

Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri. Research Abstract Details 

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Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri. Abstract Text:

John P John,Lei Wang,Amanda J Moffitt,Harmeeta K Singh,Mokhtar H Gado,John G Csernansky,

Precise rules for locating the anatomical boundaries of the dorsolateral prefrontal cortex (DLPFC) or its subdivisions, i.e., superior, inferior and middle frontal gyri (SFG, IFG and MFG) on magnetic resonance images (MRI), have not been defined. The present study describes the inter-rater reliability of manual segmentation of the SFG, IFG and MFG using guidelines based on sulcal-gyral anatomical boundaries as well as the cytoarchitectonic features of the sub-regions of the prefrontal cortex (PFC). Variations in the application of these guidelines in different subjects to account for normal sulcal variability were developed using the atlas of Ono et al. (Ono, M., Kubik, S., Abernathey, C.D., 1990. Atlas of the Cerebral Sulci. Georg Thieme Verlag, New York). Based on previous cytoarchitectonic studies, the coronal plane of the anterior termination of olfactory sulcus (ATOS) was used as a landmark for delimiting the boundary between the frontal pole (FP) and the frontal gyri. The left hemisphere gray-matter volumes of the SFG, IFG and MFG were determined using a set of 10 MRIs (5 normal and 5 schizophrenia subjects) by two trained raters independently. The intra-class correlation coefficients (ICC) for the SFG, IFG and MFG volumes by the two raters were 0.97, 0.94 and 0.93, respectively. Thus, we describe a reliable method of parcellating the SFG, IFG and MFG, which constitute the DLPFC, a brain region involved in a variety of neuropsychiatric conditions.

Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri. Publishing Authors By Initials

JP John,L Wang,AJ Moffitt,HK Singh,MH Gado,JG Csernansky,

For similar mental disorders: schizophrenia and disorders with psychotic features: schizophrenia research abstracts see: mental disorders: schizophrenia and disorders with psychotic features: schizophrenia research

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Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Psychiatry research

VOLUME: 148

Page Numbers: 151-63

Journal Abbreviation:

ISSN: 0165-1781

DAY: 7

MONTH: 11

YEAR: 2006

Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri. Information

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LANGUAGE: eng

NlmUniqueID: 7911385

Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri. Keywords Mesh Terms:

KEYWORDS: Schizophrenia

MESH TERMS: diagnosis

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Grant and Affiliation Information for Inter-rater reliability of manual segmentation of the superior, inferior and middle frontal gyri.

AFFILIATION: Department of Psychiatry, National Institute of Mental Health and Neurosciences (NIMHANS), Hosur Road, Bangalore 560 029, Karnataka, India. jpj@nimhans.kar.nic.in

Country: Ireland

AGENCY: United States NIMH

GRANT: R01 MH56584

ACRONYM: MH

MEDLINETA: Psychiatry Res

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