Cited by 44Schizophrenia research and treatmentMental Health and PsychiatryNeural and Behavioral Psychology Studies

The structural neuroanatomy of metacognitive insight in schizophrenia and its psychopathological and neuropsychological correlates

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Spalletta, Gianfranco, Piras, Fabrizio, Piras, Federica, Caltagirone, Carlo, Orfei, Maria Donata·2014·Human Brain Mapping

Abstract

Lack of insight into illness is a multidimensional phenomenon that has relevant implications on clinical course and therapy compliance. Here, we focused on metacognitive insight in schizophrenia, that is, the ability to monitor one's changes in state of mind and sensations, with the aim of investigating its neuroanatomical, psychopathological, and neuropsychological correlates. Fifty‐seven consecutive patients with Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition, Text Revision) diagnosis of schizophrenia were administered the Insight Scale, and comprehensive psychopathological and neuropsychological batteries. They underwent a high‐resolution T1‐weighted magnetic resonance imaging investigation. Gray matter (GM) and white matter (WM) volumes were analyzed on a voxel‐by‐voxel basis using Statistical Parametric Mapping 8. Reduced metacognitive insight was related to reduced GM volumes in the left ventrolateral prefrontal cortex, right dorsolateral prefrontal cortex and insula, and bilateral premotor area and putamen. Further, it was related to reduced WM volumes of the right superior longitudinal fasciculum, left corona radiata, left forceps minor, and bilateral cingulum. Increased metacognitive insight was related to increased depression severity and attentional control impairment, while the latter was related to increased GM volumes in brain areas linked to metacognitive insight. Results of this study suggest that prefrontal GM and WM bundles, all implied in cognitive control and self‐reflection, may be the neuroanatomical correlates of metacognitive insight in schizophrenia. Further, higher metacognitive insight is hypothesized to be a risk factor for depression which may subsequently impair attention. This line of research may provide the basis for the development of cognitive interventions aimed at improving self‐monitoring and compliance to treatment. Hum Brain Mapp 35:4729–4740, 2014 . © 2014 Wiley Periodicals, Inc.

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  • Cingulum FA correlations with executive function are more consistent in schizophrenia than in ASD.

    “Arguably, more consistent cingulum FA correlations with executive function have been found in schizophrenia (Kubicki et al., 2009; Spalletta et al., 2014; Takei et al., 2009; see Table 2).”

    From The cingulum bundle: Anatomy, function, and dysfunction (2018) · cites this paper as Spalletta et al., 2014

    The Results report correlations between cingulum white-matter volume and metacognitive insight in patients with schizophrenia, not between cingulum fractional anisotropy (FA) and executive function. The Methods describe T1-weighted volumetric imaging, and the Discussion does not compare schizophrenia with ASD on the claimed correlation. Searches for cingulum FA, executive function, and ASD did not locate that comparison in our copy. (LLM, conf=0.76)

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Authors
Spalletta, G., Piras, F., Piras, F., Caltagirone, C., & Orfei, M. D.
Affiliations
  • Fondazione Santa Lucia (IT)
  • University of Rome Tor Vergata (IT)
Venue
Human Brain Mapping
Publisher
Wiley
Published
2014-04-03
Volume
35
Issue
9
Pages
4729-4740
ISSN
  • 1065-9471 (ISSN-L)
  • 1097-0193
OpenAlex
W1608479654
Cited by
44
References
101
Citations by year
2026: 1 · 2024: 3 · 2023: 2 · 2022: 2 · 2021: 3 · 2020: 5 · 2019: 1 · 2018: 5 · 2017: 2 · 2016: 11 · 2015: 6 · 2014: 3
FWCI
5.60
Type
journal article
Language
en
Open access
Locations
  • Human Brain Mapping (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Cineca Institutional Research Information System (Tor Vergata University) (submittedVersion)
Funders
Italian Ministry of Health (RC08A, RC09A, RC10A, RC11A, and RC12A.)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
schizophrenia, gray matter volume, white matter volume, ventrolateral prefrontal cortex, dorsolateral prefrontal cortex, insula, corona radiata, cingulum, depression severity, attentional control, self-monitoring, medication adherence, cognitive control
MeSH terms
Adult, Attention, Brain, Depression, Female, Humans, Impulsive Behavior, Magnetic Resonance Imaging, Male, Mental Processes, Neuropsychological Tests, Organ Size, Psychiatric Status Rating Scales, Psychological Tests, Schizophrenia, Schizophrenic Psychology, Self Concept, Prefrontal Cortex, Executive Function, White Matter, Gray Matter

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