Co-occurrence of schizo-obsessive traits and its correlation with altered executive control network functional connectivity
Abstract
The prevalence of obsessive-compulsive symptoms (OCS) in schizophrenia patients is as around 30%. Evidence suggested that mild OCS could reduce symptoms of schizophrenia, supporting the presence of compensatory functions. However, severe OCS could aggravate various impairments in schizophrenia patients, supporting the "double jeopardy hypothesis". Patients with schizo-obsessive comorbidity, schizophrenia patients and obsessive-compulsive disorder patients have been found to have similarities in executive dysfunctions and altered resting-state functional connectivity within the executive control network (ECN). Executive functions could be associated with the ECN. However, little is known as to whether such overlap exists in the subclinical populations of individuals with schizo-obsessive traits (SOT), schizotypal individuals and individuals with high levels of obsessive-compulsive symptoms (OCS). In this study, we recruited 30 schizotypal individuals, 25 individuals with OCS, 29 individuals with SOT and 29 controls for a resting-state ECN-related functional connectivity (rsFC) and a go/shift/no-go task. We found that individuals with SOT exhibited increased rsFC within the ECN compared with controls, while schizotypal individuals exhibited the opposite. Individuals with OCS exhibited decreased rsFC within the ECN and between the ECN and the default mode network (DMN), relative to controls. No significant correlational results between altered rsFC related to the ECN with executive function performance were found after corrections for multiple comparisons in three subclinical groups. Our findings showed that individuals with SOT had increased rsFC within the ECN, while schizotypal individuals and individuals with OCS showed the opposite. Our findings provide evidence for possible neural substrates of subclinical comorbidity of OCS and schizotypy.
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The authors' previous study showed similar executive control network-related functional connectivity alterations in subclinical individuals with schizo-obsessive traits.
“We also showed similar ECN-related functional connectivity alterations in subclinical individuals with schizo-obsessive traits.”
From Cognitive Inflexibility Shares Across Schizophrenia and Obsessive-Compulsive Disorder: A Task-Based Functional MRI Study (2025) · cites this paper as [38]
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- Authors
- Shan, H.-D., Wang, Y.-M., Hu, H.-X., Jiang, S.-Y., Chu, M.-Y., Wang, Y., Lui, S. S. Y., Cheung, E. F. C., Wang, Z., & Chan, R. C. K.
- Affiliations
- Chinese Academy of Sciences (CN)
- Shanghai Jiao Tong University (CN)
- Castle Peak Hospital (CN)
- Corresponding author
- Chan, Raymond C. K.
- ORCID
- Venue
- European Archives of Psychiatry and Clinical Neuroscience
- Published
- 2021-01-03
- Volume
- 272
- Issue
- 2
- Pages
- 301-312
- ISSN
- 0003-9373 (ISSN-L)
- 0940-1334
- 1433-8491
- OpenAlex
- W3118627614
- Cited by
- 6
- References
- 80
- Citations by year
- 2025: 1 · 2024: 3 · 2023: 2
- FWCI
- 0.90
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- European Archives of Psychiatry and Clinical Neuroscience (publishedVersion)
- PubMed (publishedVersion)
- Institutional Repository of Institute of Psychology, Chinese Academy of Sciences (Institute of Psychology, Chinese Academy of Sciences) (submittedVersion)
- Funders
- National Key Research and Development Programme (2016YFC0906402)
- Science Foundation of Shanghai Mental Health Centre (SMHCRSD01)
- CAS Key Laboratory of Mental Health, Institute of Psychology
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
- Social Sciences › Psychology › Clinical Psychology › Obsessive-Compulsive Spectrum Disorders
- Keywords
- schizotypy, obsessive-compulsive symptoms, frontoparietal network, resting-state functional connectivity, executive function, default mode network, go/no-go task, schizophrenia
- MeSH terms
- Humans, Obsessive-Compulsive Disorder, Schizophrenia, Comorbidity, Executive Function
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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