Paracingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.

The left paracingulate sulcus (PCS) is longer than the right and the adjacent cortex is activated by the generation of words. In adult patients with chronic schizophrenia the anatomical asymmetry is reduced. In 35 controls and 38 adolescents with schizophrenia or schizoaffective disorder (mean age =...

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मुख्य लेखकों: Clark, G, Mackay, C, Davidson, M, Iversen, S, Collinson, S, James, A, Roberts, N, Crow, T
स्वरूप: Journal article
भाषा:English
प्रकाशित: 2010
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author Clark, G
Mackay, C
Davidson, M
Iversen, S
Collinson, S
James, A
Roberts, N
Crow, T
author_facet Clark, G
Mackay, C
Davidson, M
Iversen, S
Collinson, S
James, A
Roberts, N
Crow, T
author_sort Clark, G
collection OXFORD
description The left paracingulate sulcus (PCS) is longer than the right and the adjacent cortex is activated by the generation of words. In adult patients with chronic schizophrenia the anatomical asymmetry is reduced. In 35 controls and 38 adolescents with schizophrenia or schizoaffective disorder (mean age = 16 years) we found that semantic verbal fluency correlated with leftward PCS asymmetry in controls but not in patients. At intake, PCS length did not differ between patients and controls, but at follow-up (13 controls, 10 patients, mean age = 18 years) PCS asymmetry (comprising both increasing left and decreasing right length) increased significantly, the increase was greater in males than in females, and there was a trend for a diagnosis * sex * side * time interaction such that in controls leftward PCS asymmetry increased, while in patients of both sexes there was convergence toward symmetry. Thus sulcal anatomy develops differentially in the two sexes during adolescence, and the pattern of asymmetric sex-dependent change over time may distinguish patients with psychosis from controls. Greater change in asymmetry during adolescence may explain earlier age of onset in males and greater deficits in verbal fluency.
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spelling oxford-uuid:53eddfa2-9ef5-49f3-ae3e-d29c467fc1d52022-03-26T16:34:35ZParacingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:53eddfa2-9ef5-49f3-ae3e-d29c467fc1d5EnglishSymplectic Elements at Oxford2010Clark, GMackay, CDavidson, MIversen, SCollinson, SJames, ARoberts, NCrow, TThe left paracingulate sulcus (PCS) is longer than the right and the adjacent cortex is activated by the generation of words. In adult patients with chronic schizophrenia the anatomical asymmetry is reduced. In 35 controls and 38 adolescents with schizophrenia or schizoaffective disorder (mean age = 16 years) we found that semantic verbal fluency correlated with leftward PCS asymmetry in controls but not in patients. At intake, PCS length did not differ between patients and controls, but at follow-up (13 controls, 10 patients, mean age = 18 years) PCS asymmetry (comprising both increasing left and decreasing right length) increased significantly, the increase was greater in males than in females, and there was a trend for a diagnosis * sex * side * time interaction such that in controls leftward PCS asymmetry increased, while in patients of both sexes there was convergence toward symmetry. Thus sulcal anatomy develops differentially in the two sexes during adolescence, and the pattern of asymmetric sex-dependent change over time may distinguish patients with psychosis from controls. Greater change in asymmetry during adolescence may explain earlier age of onset in males and greater deficits in verbal fluency.
spellingShingle Clark, G
Mackay, C
Davidson, M
Iversen, S
Collinson, S
James, A
Roberts, N
Crow, T
Paracingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.
title Paracingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.
title_full Paracingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.
title_fullStr Paracingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.
title_full_unstemmed Paracingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.
title_short Paracingulate sulcus asymmetry; sex difference, correlation with semantic fluency and change over time in adolescent onset psychosis.
title_sort paracingulate sulcus asymmetry sex difference correlation with semantic fluency and change over time in adolescent onset psychosis
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