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ORIGINAL RESEARCH article

Front. Psychiatry
Sec. Schizophrenia
Volume 15 - 2024 | doi: 10.3389/fpsyt.2024.1458624
This article is part of the Research Topic Neuroimaging in Psychiatry 2023: Schizophrenia View all 6 articles

Illness-related variables and abnormalities of resting-state brain activity in schizophrenia

Provisionally accepted
  • 1 Department of Psychiatry, University of Campania 'Luigi Vanvitelli', Naples, Campania, Italy
  • 2 Department of Basic Medical Sciences, Neurosciences and Sensory Organs, School of Medicine, University of Bari Aldo Moro, Bari, Italy
  • 3 Department of Medicine and Surgery, LUM University 'Giuseppe Degennaro', Casamassima, Italy
  • 4 Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, and Mother-Child, School of Medical and Pharmaceutical Sciences, University of Genoa, Genova, Liguria, Italy
  • 5 Department of Neuroscience, School of Medicine, University of Turin, Turin, Piedmont, Italy
  • 6 Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila, L'Aquila, Abruzzo, Italy

The final, formatted version of the article will be published soon.

    The development of neuroimaging biomarkers in patients with schizophrenia (SCZ) requires a refined clinical characterization. A limitation of the neuroimaging literature is the partial uptake of progress in characterizing disease-related features, particularly negative symptoms (NS) and cognitive impairment (CI).In the present study, we assessed NS and CI using up-to-date instruments and investigated the associations of abnormalities in brain resting-state (rs)-activity with disease-related features.Methods: Sixty-two community-dwelling SCZ subjects participated in the study. Multiple regression analyses were performed with the rs-activity of nine regions of interest as dependent variables and disease-related features as explanatory variables.Results: Attention/vigilance deficits were negatively associated with dorsal anterior cingulate rsactivity and, together with depression, were positively associated with right dorsolateral prefrontal cortex rs-activity. These deficits and impairment of Reasoning/problem-solving, together with conceptual disorganization, were associated with right inferior parietal lobule and temporal parietal junction rs-activity. Independent of other features, the NS Expressive Deficit domain was associated with the left ventral caudate, while the Motivational Deficit was associated with the dorsal caudate rs-activity.Neurocognitive deficits and the two negative symptom domains are associated with different neural markers. Replications of these findings could foster the identification of clinically actionable biomarkers of poor functional outcomes.

    Keywords: cognitive impairments, negative symptoms, Expressive Deficit domain, Motivational Deficit domain, biomarkers, Resting-state fMRI

    Received: 02 Jul 2024; Accepted: 17 Jul 2024.

    Copyright: © 2024 Giuliani, Pezzella, Giordano, Fazio, Mucci, Perrottelli, Blasi, Amore, Rocca, Rossi, Bertolino, Galderisi and Maj. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: Giulia M. Giordano, Department of Psychiatry, University of Campania 'Luigi Vanvitelli', Naples, Campania, Italy

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