Cited by 38Schizophrenia research and treatmentFunctional Brain Connectivity StudiesMental Health and Psychiatry

Functional abnormalities of the right posterior insula are related to the altered self-experience in schizophrenia

Chen, Xi, Duan, Mingjun, He, Hui, Yang, Mi, Klugah–Brown, Benjamin, Xu, Hao, Lai, Yongxiu, Luo, Cheng +1 more·2016·Psychiatry Research: Neuroimaging

Abstract

The insula is involved in detecting the salience of internal and external stimuli, and it plays a critical role in psychosis. Previous studies have demonstrated the structural and functional alterations of the insula in schizophrenia. To acquire a full picture of the functional alterations of the insula in schizophrenia, the resting-state fMRI data of 46 patients with schizophrenia and 46 healthy control subjects were collected. We used clustering analysis to divide the insula into three subregions: the dorsal anterior insula (dAI), ventral anterior insula (vAI) and posterior insula (PI). Then, whole-brain functional connectivity analysis was conducted based on these subregions. The results showed that the right dAI and PI in patients exhibited altered functional connections with the primary sensorimotor area. In addition, the right PI of the patients exhibited increased functional correlations with the thalamus. More importantly, the altered functional properties of the right PI were significantly correlated with the severity of the delusion and poor insight in schizophrenia. The results suggested that the right PI might play an important role in self-experience processing in schizophrenia. Accordingly, the right PI should be considered very important in the pathological mechanism of schizophrenia.

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Crossref · 10.1016/j.pscychresns.2016.09.006

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Authors
Chen, X., Duan, M., He, H., Yang, M., Klugah–Brown, B., Xu, H., Lai, Y., Luo, C., & Yao, D.
Affiliations
University of Electronic Science and Technology of China (CN)
Corresponding author
  • Luo, Cheng
  • Yao, Dezhong
Venue
Psychiatry Research: Neuroimaging
Publisher
Elsevier BV
Published
2016-10
Volume
256
Pages
26-32
ISSN
0925-4927 (ISSN-L)
OpenAlex
W2462567825
Cited by
38
References
48
Citations by year
2024: 5 · 2023: 4 · 2022: 2 · 2021: 6 · 2020: 4 · 2019: 7 · 2018: 6 · 2017: 4
FWCI
5.03
Type
journal article
Language
en
Open access
closed
Locations
  • Psychiatry Research Neuroimaging (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81330032, 81471638, 81571759)
  • National Key Scientific Instruments and Equipment Development of China (2013YQ490859)
  • Program for Changjiang Scholars and Innovative Research Team (IRT0910)
  • 111 project (B12027)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
Keywords
schizophrenia, posterior insula, self-experience, functional connectivity, dorsal anterior insula, ventral anterior insula, primary sensorimotor cortex, thalamus, delusions, insight, resting-state fMRI, saliency detection
MeSH terms
Adult, Brain Mapping, Cerebral Cortex, Female, Humans, Magnetic Resonance Imaging, Male, Middle Aged, Neural Pathways, Schizophrenia, Schizophrenic Psychology, Self Concept, Thalamus

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