Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot Study

Von Economo neurons (VENs) are rod, stick, or corkscrew cells mostly located in layer V of the frontoinsular and anterior cingulate cortices. VENs are projection neurons related to human-like social cognitive abilities. Post-mortem histological studies found VEN alterations in several neuropsychiatr...

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Main Authors: Claudio Brasso, Mario Stanziano, Francesca Marina Bosco, Rosalba Morese, Maria Consuelo Valentini, Alessandro Vercelli, Paola Rocca
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Journal of Clinical Medicine
Subjects:
Online Access:https://www.mdpi.com/2077-0383/12/4/1377
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author Claudio Brasso
Mario Stanziano
Francesca Marina Bosco
Rosalba Morese
Maria Consuelo Valentini
Alessandro Vercelli
Paola Rocca
author_facet Claudio Brasso
Mario Stanziano
Francesca Marina Bosco
Rosalba Morese
Maria Consuelo Valentini
Alessandro Vercelli
Paola Rocca
author_sort Claudio Brasso
collection DOAJ
description Von Economo neurons (VENs) are rod, stick, or corkscrew cells mostly located in layer V of the frontoinsular and anterior cingulate cortices. VENs are projection neurons related to human-like social cognitive abilities. Post-mortem histological studies found VEN alterations in several neuropsychiatric disorders, including schizophrenia (SZ). This pilot study aimed to evaluate the role of VEN-containing areas in shaping patterns of resting-state brain activation in patients with SZ (n = 20) compared to healthy controls (HCs; n = 20). We performed a functional connectivity analysis seeded in the cortical areas with the highest density of VENs followed by fuzzy clustering. The alterations found in the SZ group were correlated with psychopathological, cognitive, and functioning variables. We found a frontotemporal network that was shared by four clusters overlapping with the salience, superior-frontal, orbitofrontal, and central executive networks. Differences between the HC and SZ groups emerged only in the salience network. The functional connectivity of the right anterior insula and ventral tegmental area within this network were negatively correlated with experiential negative symptoms and positively correlated with functioning. This study provides some evidence to show that in vivo, VEN-enriched cortical areas are associated with an altered resting-state brain activity in people with SZ.
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spelling doaj.art-8187c9f1e8454d99aad518325adc47ea2023-11-16T21:18:42ZengMDPI AGJournal of Clinical Medicine2077-03832023-02-01124137710.3390/jcm12041377Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot StudyClaudio Brasso0Mario Stanziano1Francesca Marina Bosco2Rosalba Morese3Maria Consuelo Valentini4Alessandro Vercelli5Paola Rocca6Department of Neuroscience “Rita Levi Montalcini”, University of Turin, 10126 Turin, ItalyDepartment of Neuroscience “Rita Levi Montalcini”, University of Turin, 10126 Turin, ItalyResearch Group on Inferential Processes in Social Interaction (GIPSI), Department of Psychology, University of Turin, 10124 Turin, ItalyFaculty of Communication Sciences, Università della Svizzera Italiana, 6900 Lugano, SwitzerlandStruttura Complessa di Neuroradiologia, Dipartimento Diagnostica per Immagini e Radiologia Interventistica, Azienda Ospedaliero-Universitaria “Città della Salute e della Scienza di Torino”, 10126 Turin, ItalyDepartment of Neuroscience “Rita Levi Montalcini”, University of Turin, 10126 Turin, ItalyDepartment of Neuroscience “Rita Levi Montalcini”, University of Turin, 10126 Turin, ItalyVon Economo neurons (VENs) are rod, stick, or corkscrew cells mostly located in layer V of the frontoinsular and anterior cingulate cortices. VENs are projection neurons related to human-like social cognitive abilities. Post-mortem histological studies found VEN alterations in several neuropsychiatric disorders, including schizophrenia (SZ). This pilot study aimed to evaluate the role of VEN-containing areas in shaping patterns of resting-state brain activation in patients with SZ (n = 20) compared to healthy controls (HCs; n = 20). We performed a functional connectivity analysis seeded in the cortical areas with the highest density of VENs followed by fuzzy clustering. The alterations found in the SZ group were correlated with psychopathological, cognitive, and functioning variables. We found a frontotemporal network that was shared by four clusters overlapping with the salience, superior-frontal, orbitofrontal, and central executive networks. Differences between the HC and SZ groups emerged only in the salience network. The functional connectivity of the right anterior insula and ventral tegmental area within this network were negatively correlated with experiential negative symptoms and positively correlated with functioning. This study provides some evidence to show that in vivo, VEN-enriched cortical areas are associated with an altered resting-state brain activity in people with SZ.https://www.mdpi.com/2077-0383/12/4/1377von Economo neuronsVENsfMRIschizophreniaresting-state functional connectivitysalience network
spellingShingle Claudio Brasso
Mario Stanziano
Francesca Marina Bosco
Rosalba Morese
Maria Consuelo Valentini
Alessandro Vercelli
Paola Rocca
Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot Study
Journal of Clinical Medicine
von Economo neurons
VENs
fMRI
schizophrenia
resting-state functional connectivity
salience network
title Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot Study
title_full Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot Study
title_fullStr Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot Study
title_full_unstemmed Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot Study
title_short Alteration of the Functional Connectivity of the Cortical Areas Characterized by the Presence of Von Economo Neurons in Schizophrenia, a Pilot Study
title_sort alteration of the functional connectivity of the cortical areas characterized by the presence of von economo neurons in schizophrenia a pilot study
topic von Economo neurons
VENs
fMRI
schizophrenia
resting-state functional connectivity
salience network
url https://www.mdpi.com/2077-0383/12/4/1377
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