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Disrupted local functional connectivity in schizophrenia: An updated and extended meta-analysis.

作者信息

Cai Mengjing, Wang Rui, Liu Mengge, Du Xiaotong, Xue Kaizhong, Ji Yuan, Wang Zirui, Zhang Yijing, Guo Lining, Qin Wen, Zhu Wenshuang, Fu Jilian, Liu Feng

机构信息

Department of Radiology and Tianjin Key Laboratory of Functional Imaging, Tianjin Medical University General Hospital, Tianjin, 300052, China.

School of Medical Imaging, Tianjin Medical University, Tianjin, 300070, China.

出版信息

Schizophrenia (Heidelb). 2022 Nov 8;8(1):93. doi: 10.1038/s41537-022-00311-2.


DOI:10.1038/s41537-022-00311-2
PMID:36347874
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9643538/
Abstract

Neuroimaging studies have shown that schizophrenia is associated with disruption of resting-state local functional connectivity. However, these findings vary considerably, which hampers our understanding of the underlying pathophysiological mechanisms of schizophrenia. Here, we performed an updated and extended meta-analysis to identify the most consistent changes of local functional connectivity measured by regional homogeneity (ReHo) in schizophrenia. Specifically, a systematic search of ReHo studies in patients with schizophrenia in PubMed, Embase, and Web of Science identified 18 studies (20 datasets), including 652 patients and 596 healthy controls. In addition, we included three whole-brain statistical maps of ReHo differences calculated based on independent datasets (163 patients and 194 controls). A voxel-wise meta-analysis was then conducted to investigate ReHo alterations and their relationship with clinical characteristics using the newly developed seed-based d mapping with permutation of subject images (SDM-PSI) meta-analytic approach. Compared with healthy controls, patients with schizophrenia showed significantly higher ReHo in the bilateral medial superior frontal gyrus, while lower ReHo in the bilateral postcentral gyrus, right precentral gyrus, and right middle occipital gyrus. The following sensitivity analyses including jackknife analysis, subgroup analysis, heterogeneity test, and publication bias test demonstrated that our results were robust and highly reliable. Meta-regression analysis revealed that illness duration was negatively correlated with ReHo abnormalities in the right precentral/postcentral gyrus. This comprehensive meta-analysis not only identified consistent and reliably aberrant local functional connectivity in schizophrenia but also helped to further deepen our understanding of its pathophysiology.

摘要

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引用本文的文献

[1]
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Hum Brain Mapp. 2025-8-15

[2]
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Commun Biol. 2025-8-13

[3]
Distance- and Hierarchy-Dependent Functional Dysconnectivity in Schizophrenia and Its Association with Cortical Microstructure.

medRxiv. 2025-7-28

[4]
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J Neurol. 2025-8-2

[5]
Early psychosis is characterized by white matter abnormalities in fiber structures supporting local connectivity.

medRxiv. 2025-5-14

[6]
Neural fingerprints of data driven cognitive subtypes across the psychosis spectrum: a B-SNIP study.

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[7]
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Hum Brain Mapp. 2025-6-1

[8]
Common neural patterns of substance use disorder: a seed-based resting-state functional connectivity meta-analysis.

Transl Psychiatry. 2025-6-4

[9]
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[10]
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本文引用的文献

[1]
Gray matter abnormalities and associated familial risk endophenotype in individuals with first-episode bipolar disorder: Evidence from whole-brain voxel-wise meta-analysis.

Asian J Psychiatr. 2022-8

[2]
Early-stage visual perception impairment in schizophrenia, bottom-up and back again.

Schizophrenia (Heidelb). 2022-3-21

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Comparison of resting-state spontaneous brain activity between treatment-naive schizophrenia and obsessive-compulsive disorder.

BMC Psychiatry. 2021-11-3

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Regional Homogeneity Brain Alterations in Schizophrenia: An Activation Likelihood Estimation Meta-Analysis.

Psychiatry Investig. 2021-8

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Abnormal causal connectivity of left superior temporal gyrus in drug-naïve first- episode adolescent-onset schizophrenia: A resting-state fMRI study.

Psychiatry Res Neuroimaging. 2021-9-30

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Distinguishing hypochondriasis and schizophrenia using regional homogeneity: a resting-state fMRI study and support vector machine analysis.

Acta Neuropsychiatr. 2021-8

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Abnormalities of intrinsic brain activity in essential tremor: A meta-analysis of resting-state functional imaging.

Hum Brain Mapp. 2021-7

[8]
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Psychiatry Res. 2021-5

[9]
Enhanced Prefrontal Regional Homogeneity and Its Correlations With Cognitive Dysfunction/Psychopathology in Patients With First-Diagnosed and Drug-Naive Schizophrenia.

Front Psychiatry. 2020-10-23

[10]
Relationships between abnormal neural activities and cognitive impairments in patients with drug-naive first-episode schizophrenia.

BMC Psychiatry. 2020-6-5

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