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Perret M, Neige C, Brunelin J, Mondino M. Unraveling the brain mechanisms of source monitoring with non-invasive brain stimulation: A systematic review. Int J Clin Health Psychol 2024; 24:100449. [PMID: 38406179 PMCID: PMC10884508 DOI: 10.1016/j.ijchp.2024.100449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/14/2024] [Indexed: 02/27/2024] Open
Abstract
Background/Objective Source monitoring refers to the ability to determine the source of memories and encompasses three subprocesses: internal source monitoring, reality monitoring, and external source monitoring. Neuroimaging studies provide valuable insights about neural correlates of source monitoring, but the causal relationship between brain and behavior is lacking. This study aimed to identify brain circuits involved in source monitoring by synthesizing the effects of brain stimulation on source monitoring as a function of the targeted brain regions or circuits. Method We conducted a systematic review of interventional studies that have examined the effects of brain stimulation on source monitoring across six databases. The principal outcome was the difference of source monitoring performance between active and control stimulation conditions. Results 23 studies (920 healthy participants and 54 patients with schizophrenia) were included. Our findings revealed the involvement of i) the lateral prefrontal and temporoparietal cortices in internal source monitoring, ii) the medial prefrontal and temporoparietal cortices in reality monitoring, and iii) the precuneus and the left angular gyrus in external source monitoring. Conclusions These findings deepen our understanding of the brain mechanisms of source monitoring and highlight specific stimulation targets to alleviate source monitoring deficits.
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Affiliation(s)
- Mélanie Perret
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, PSYR2, F-69500 Bron, France
- Centre Hospitalier Le Vinatier, 95 Boulevard Pinel, F-69500 Bron, France
| | - Cécilia Neige
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, PSYR2, F-69500 Bron, France
- Centre Hospitalier Le Vinatier, 95 Boulevard Pinel, F-69500 Bron, France
| | - Jerome Brunelin
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, PSYR2, F-69500 Bron, France
- Centre Hospitalier Le Vinatier, 95 Boulevard Pinel, F-69500 Bron, France
| | - Marine Mondino
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, PSYR2, F-69500 Bron, France
- Centre Hospitalier Le Vinatier, 95 Boulevard Pinel, F-69500 Bron, France
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Thirioux B, Langbour N, Bokam P, Wassouf I, Guillard-Bouhet N, Wangermez C, Leblanc PM, Doolub D, Harika-Germaneau G, Jaafari N. EEG microstate co-specificity in schizophrenia and obsessive-compulsive disorder. Eur Arch Psychiatry Clin Neurosci 2024; 274:207-225. [PMID: 37421444 DOI: 10.1007/s00406-023-01642-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/19/2023] [Indexed: 07/10/2023]
Abstract
The past 20 years of research on EEG microstates has yielded the hypothesis that the imbalance pattern in the temporal dynamics of microstates C (increased) and D (decreased) is specific to schizophrenia. A similar microstate imbalance has been recently found in obsessive-compulsive disorder (OCD). The aim of the present high-density EEG study was to examine whether this pathological microstate pattern is co-specific to schizophrenia and OCD. We compared microstate temporal dynamics using Bayesian analyses, transition probabilities analyses and the Topographic Electrophysiological State Source-Imaging method for source reconstruction in 24 OCD patients and 28 schizophrenia patients, respectively, free of comorbid psychotic and OCD symptoms, and 27 healthy controls. OCD and schizophrenia patients exhibited the same increased contribution of microstate C, decreased duration and contribution of microstate D and greater D → C transition probabilities, compared with controls. A Bayes factor of 4.424 for the contribution of microstate C, 4.600 and 3.824, respectively, for the duration and contribution of microstate D demonstrated that there was no difference in microstate patterns between the two disorders. Source reconstruction further showed undistinguishable dysregulations between the Salience Network (SN), associated with microstate C, and the Executive Control Network (ECN), associated with microstate D, and between the ECN and cognitive cortico-striato-thalamo-cortical (CSTC) loop in the two disorders. The ECN/CSTC loop dysconnectivity was slightly worsened in schizophrenia. Our findings provide substantial evidence for a common aetiological pathway in schizophrenia and OCD, i.e. microstate co-specificity, and same anomalies in salience and external attention processing, leading to co-expression of symptoms.
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Affiliation(s)
- Bérangère Thirioux
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France.
- Centre de Recherches sur la Cognition et l'Apprentissage, Université de Poitiers, CNRS 7295, 86021, Poitiers, France.
| | - Nicolas Langbour
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
- Centre de Recherches sur la Cognition et l'Apprentissage, Université de Poitiers, CNRS 7295, 86021, Poitiers, France
| | - Prasanth Bokam
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
| | - Issa Wassouf
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
- Centre Hospitalier Nord Deux-Sèvres, Parthenay, France
| | - Nathalie Guillard-Bouhet
- Centre de Réhabilitation et d'Activités Thérapeutiques Intersectorial de la Vienne, Centre Hospitalier Henri Laborit, 86021, Poitiers, France
- Centre Médico-Psychologique, Centre Hospitalier Henri Laborit, 86021, Poitiers, France
| | - Carole Wangermez
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
- Centre de Réhabilitation et d'Activités Thérapeutiques Intersectorial de la Vienne, Centre Hospitalier Henri Laborit, 86021, Poitiers, France
| | - Pierre-Marie Leblanc
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
| | - Damien Doolub
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
- Centre de Recherches sur la Cognition et l'Apprentissage, Université de Poitiers, CNRS 7295, 86021, Poitiers, France
| | - Ghina Harika-Germaneau
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
- Centre de Recherches sur la Cognition et l'Apprentissage, Université de Poitiers, CNRS 7295, 86021, Poitiers, France
- Faculté de Médecine et de Pharmacie, Université de Poitiers, 86021, Poitiers, France
| | - Nematollah Jaafari
- Unité de Recherche Clinique Pierre Deniker, Centre Hospitalier Henri Laborit, 370 Avenue Jacques Coeur, 86021, Poitiers, France
- Centre de Recherches sur la Cognition et l'Apprentissage, Université de Poitiers, CNRS 7295, 86021, Poitiers, France
- Centre Médico-Psychologique, Centre Hospitalier Henri Laborit, 86021, Poitiers, France
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Lavallé L, Bation R, Dondé C, Mondino M, Brunelin J. Dissociable source-monitoring impairments in obsessive-compulsive disorder and schizophrenia. Eur Psychiatry 2020; 63:e54. [PMID: 32406366 PMCID: PMC7355175 DOI: 10.1192/j.eurpsy.2020.48] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Based on the observed clinical overlap between obsessive-compulsive disorder (OCD) and schizophrenia (SCZ), both conditions may share, at least in part, common cognitive underpinnings. Among the cognitive deficits that could be involved, it has been hypothesized that patients share a failure in their abilities to monitor their own thoughts (source monitoring), leading to confusion between what they actually did or perceived and what they imagined. Although little is known regarding source-monitoring performances in patients with OCD, numerous studies in patients with SCZ have observed a relationship between delusions and/or hallucinations and deficits in both internal source- and reality-monitoring abilities. METHODS The present work compared source-monitoring performances (internal source and reality monitoring) between patients with OCD (n = 32), patients with SCZ (n = 38), and healthy controls (HC; n = 29). RESULTS We observed that patients with OCD and patients with SCZ displayed abnormal internal source-monitoring abilities compared to HC. Only patients with SCZ displayed abnormalities in reality monitoring compared to both patients with OCD and HC. CONCLUSIONS Internal source-monitoring deficits are shared by patients with OCD and SCZ and may contribute to the shared cognitive deficits that lead to obsessions and delusions. In contrast, reality-monitoring performance seems to differentiate patients with OCD from patients with SCZ.
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Affiliation(s)
- Layla Lavallé
- INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, PSYR2 Team, LyonF-69000, France.,University Lyon 1, VilleurbanneF-69000, France.,Center Hospitalier Le Vinatier, F-69500 Bron, France
| | - Rémy Bation
- INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, PSYR2 Team, LyonF-69000, France.,University Lyon 1, VilleurbanneF-69000, France.,Center Hospitalier Le Vinatier, F-69500 Bron, France.,Psychiatry Unit, Wertheimer Hospital, CHU, LyonF-69500, France
| | - Clément Dondé
- INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, PSYR2 Team, LyonF-69000, France.,University Lyon 1, VilleurbanneF-69000, France.,Center Hospitalier Le Vinatier, F-69500 Bron, France
| | - Marine Mondino
- INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, PSYR2 Team, LyonF-69000, France.,University Lyon 1, VilleurbanneF-69000, France.,Center Hospitalier Le Vinatier, F-69500 Bron, France
| | - Jérome Brunelin
- INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, PSYR2 Team, LyonF-69000, France.,University Lyon 1, VilleurbanneF-69000, France.,Center Hospitalier Le Vinatier, F-69500 Bron, France
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