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Bridge centrality network structure of negative symptoms in people with schizophrenia.

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Title: Bridge centrality network structure of negative symptoms in people with schizophrenia.
Authors: Wang, Ling-ling (AUTHOR), Tam, Michelle H. W. (AUTHOR), Ho, Karen K. Y. (AUTHOR), Hung, Karen S. Y. (AUTHOR), Wong, Jessica O. Y. (AUTHOR), Lui, Simon S. Y. (AUTHOR), Chan, Raymond C. K. (AUTHOR)
Source: European Archives of Psychiatry & Clinical Neuroscience. Apr2023, Vol. 273 Issue 3, p589-600. 12p. 1 Diagram, 3 Charts, 2 Graphs.
Subjects: People with schizophrenia, Centrality, Communities, Symptoms, Self-evaluation
Abstract: Negative symptoms are complex psychopathology. Although evidence generally supported the NIMH five consensus domains, research seldom examined measurement invariance of this model, and domain-specific correspondence across multiple scales. This study aimed to examine the interrelationship between negative symptom domains captured by different rating scales, and to examine the domain-specific correspondence across multiple scales. We administered the Brief Negative Symptom Scale (BNSS), the Self-evaluation of Negative Symptoms (SNS), and the Scale for Assessment of Negative Symptoms (SANS) to 204 individuals with schizophrenia. We used network analysis to examine the interrelationship between negative symptom domains. Besides regularized partial correlation network, we estimated bridge centrality indices to investigate domain-specific correspondence, while taking each scale as an independent community. The regularized partial correlation network showed that the SNS nodes clustered together, whereas the SANS and the BNSS nodes intermingled together. The SANS attention domain lied at the periphery of the network according to the Fruchterman–Reingold algorithm. The SANS anhedonia–asociality (strength = 1.48; EI = 1.48) and the SANS affective flattening (strength = 1.06; EI = 1.06) had the highest node strength and EI. Moreover, the five nodes of the BNSS bridged the nodes of the SANS and the SNS. BNSS blunted affect (strength = 0.76; EI = 0.76) and SANS anhedonia–asociality (strength = 0.76; EI = 0.74) showed the highest bridge strength and bridge EI. The BNSS captures negative symptoms and bridges the symptom domains measured by the SANS and the SNS. The three scales showed domain-specific correspondence. [ABSTRACT FROM AUTHOR]
Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Bridge centrality network structure of negative symptoms in people with schizophrenia.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Ling-ling%22">Wang, Ling-ling</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tam%2C+Michelle+H%2E+W%2E%22">Tam, Michelle H. W.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ho%2C+Karen+K%2E+Y%2E%22">Ho, Karen K. Y.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hung%2C+Karen+S%2E+Y%2E%22">Hung, Karen S. Y.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wong%2C+Jessica+O%2E+Y%2E%22">Wong, Jessica O. Y.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lui%2C+Simon+S%2E+Y%2E%22">Lui, Simon S. Y.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chan%2C+Raymond+C%2E+K%2E%22">Chan, Raymond C. K.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Archives+of+Psychiatry+%26+Clinical+Neuroscience%22">European Archives of Psychiatry & Clinical Neuroscience</searchLink>. Apr2023, Vol. 273 Issue 3, p589-600. 12p. 1 Diagram, 3 Charts, 2 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22People+with+schizophrenia%22">People with schizophrenia</searchLink><br /><searchLink fieldCode="DE" term="%22Centrality%22">Centrality</searchLink><br /><searchLink fieldCode="DE" term="%22Communities%22">Communities</searchLink><br /><searchLink fieldCode="DE" term="%22Symptoms%22">Symptoms</searchLink><br /><searchLink fieldCode="DE" term="%22Self-evaluation%22">Self-evaluation</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Negative symptoms are complex psychopathology. Although evidence generally supported the NIMH five consensus domains, research seldom examined measurement invariance of this model, and domain-specific correspondence across multiple scales. This study aimed to examine the interrelationship between negative symptom domains captured by different rating scales, and to examine the domain-specific correspondence across multiple scales. We administered the Brief Negative Symptom Scale (BNSS), the Self-evaluation of Negative Symptoms (SNS), and the Scale for Assessment of Negative Symptoms (SANS) to 204 individuals with schizophrenia. We used network analysis to examine the interrelationship between negative symptom domains. Besides regularized partial correlation network, we estimated bridge centrality indices to investigate domain-specific correspondence, while taking each scale as an independent community. The regularized partial correlation network showed that the SNS nodes clustered together, whereas the SANS and the BNSS nodes intermingled together. The SANS attention domain lied at the periphery of the network according to the Fruchterman–Reingold algorithm. The SANS anhedonia–asociality (strength = 1.48; EI = 1.48) and the SANS affective flattening (strength = 1.06; EI = 1.06) had the highest node strength and EI. Moreover, the five nodes of the BNSS bridged the nodes of the SANS and the SNS. BNSS blunted affect (strength = 0.76; EI = 0.76) and SANS anhedonia–asociality (strength = 0.76; EI = 0.74) showed the highest bridge strength and bridge EI. The BNSS captures negative symptoms and bridges the symptom domains measured by the SANS and the SNS. The three scales showed domain-specific correspondence. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Type: general
      – SubjectFull: Centrality
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              Text: Apr2023
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