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Doolub D, Vibert N, Botta F, Razmkon A, Bouquet C, Wassouf I, Millet B, Harika-Germaneau G, Jaafari N. Neurological soft signs as trait markers of a subset of patients with obsessive-compulsive disorder with low insight and altered cognitive abilities. J Psychiatr Res 2024; 175:42-49. [PMID: 38704980 DOI: 10.1016/j.jpsychires.2024.04.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 09/04/2023] [Accepted: 04/25/2024] [Indexed: 05/07/2024]
Abstract
Neurological soft signs (NSS) are subtle motor control impairments that include involuntary movements and abnormalities of motor coordination, sensory integration and lateralization. They engage different brain networks, including the prefrontal networks that support the higher cognitive functions that are dysfunctional in obsessive-compulsive disorder (OCD). This study investigated the relationships between the presence of NSS and patients' severity of OCD symptoms, insight, and treatment resistance in a sample of 63 patients. Treatment-resistance was assessed considering all the treatments the patients received during the course of their disease. The four dimensions of OCD defined in the dimensional obsessive-compulsive scale were considered. Links between the patients' cognitive abilities and NSS were assessed using tests targeting specifically the core components of executive functions. As expected, OCD patients displayed more NSS than individually matched control participants. In OCD patients, high NSS scores were associated with poor insight and lower cognitive abilities. Multiple regression analysis identified worse visuospatial working memory, attentional control, and verbal fluency as predictive factors of high NSS scores among cognitive functions. Unexpectedly, the patients displaying symptoms in the contamination/washing dimension displayed less NSS than the other patients. In contrast, neither the severity of OCD symptoms nor long-range treatment resistance was significantly related to patients' NSS scores. Altogether, our findings suggest that high NSS scores may be a trait marker of a subset of OCD patients with low insight and particularly altered cognitive abilities who would not express the contamination/washing dimension of the pathology.
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Affiliation(s)
- Damien Doolub
- CNRS, Université de Poitiers, Université de Tours, CeRCA, Poitiers, France; Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France.
| | - Nicolas Vibert
- CNRS, Université de Poitiers, Université de Tours, CeRCA, Poitiers, France
| | - Fabiano Botta
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
| | - Ali Razmkon
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France; Research Center for Neuromodulation and Pain, Shiraz, Iran
| | - Cédric Bouquet
- CNRS, Université de Poitiers, Université de Tours, CeRCA, Poitiers, France
| | - Issa Wassouf
- CNRS, Université de Poitiers, Université de Tours, CeRCA, Poitiers, France; Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France; Centre Hospitalier du Nord Deux-Sèvres, Service de Psychiatrie Adulte, Thouars, France
| | - Bruno Millet
- Institut du Cerveau et de la Moelle, UMR 7225, CNRS, INSERM, Sorbonne Université et Département de Psychiatrie Adulte, Groupe Hospitalier Pitié-Salpêtrière, Paris, France
| | - Ghina Harika-Germaneau
- CNRS, Université de Poitiers, Université de Tours, CeRCA, Poitiers, France; Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
| | - Nematollah Jaafari
- CNRS, Université de Poitiers, Université de Tours, CeRCA, Poitiers, France; Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Doolub D, Vibert N, Botta F, Razmkon A, Bouquet C, Wassouf I, Millet B, Harika-Germaneau G, Jaafari N. High treatment resistance is associated with lower performance in the Stroop test in patients with obsessive-compulsive disorder. Front Psychiatry 2023; 14:1017206. [PMID: 37215653 PMCID: PMC10198575 DOI: 10.3389/fpsyt.2023.1017206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 04/17/2023] [Indexed: 05/24/2023] Open
Abstract
Around 50% of the patients with obsessive-compulsive disorder (OCD) are resistant to treatment, and patients with OCD show alterations in a broad range of cognitive abilities. The present study investigated the links between treatment-resistance, executive and working memory abilities, and the severity of OCD symptoms among 66 patients with OCD. The patients performed seven tests gauging their executive functions and working memory and filled in questionnaires for OCD severity and insight into their pathology. In addition, the executive and working memory abilities of a subset of these patients were compared with those of individually matched control participants. In contrast with previous studies, patients' treatment resistance was evaluated by considering the clinical outcomes of all the treatments that they received during the course of their disease. Higher treatment resistance was associated with lower performance in one particular executive test, the Stroop test, which assessed patients' ability to inhibit prepotent/automatic responses. Older age and more severe OCD symptoms were also associated with higher treatment resistance. Regardless of OCD severity, the patients displayed small to moderate deficits across most components of executive functions compared to control participants. Interestingly, patients with OCD took more time than control participants to perform speeded neuropsychological tests but never made more errors. Altogether, this study shows that the treatment-resistance of patients with OCD may be reliably quantified over the course of years and treatments using Pallanti and Quercioli's (2006) treatment resistance-related scales. The data suggest that the Stroop test could be used clinically to anticipate treatment outcomes in to-be-treated patients.
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Affiliation(s)
- Damien Doolub
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Poitiers, Poitiers, France
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Tours, Tours, France
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
| | - Nicolas Vibert
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Poitiers, Poitiers, France
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Tours, Tours, France
| | - Fabiano Botta
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
| | - Ali Razmkon
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
- Research Center for Neuromodulation and Pain, Shiraz, Iran
| | - Cédric Bouquet
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Poitiers, Poitiers, France
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Tours, Tours, France
| | - Issa Wassouf
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Poitiers, Poitiers, France
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Tours, Tours, France
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
- Centre Hospitalier du Nord Deux-Sèvres, Service de Psychiatrie Adulte, Thouars, France
| | - Bruno Millet
- Institut du Cerveau et de la Moelle, UMR 7225 CNRS, INSERM, Sorbonne Université et Département de Psychiatrie Adulte, Groupe Hospitalier Pitié-Salpêtrière, Paris, France
| | - Ghina Harika-Germaneau
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Poitiers, Poitiers, France
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Tours, Tours, France
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
| | - Nematollah Jaafari
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Poitiers, Poitiers, France
- Centre de Recherches sur la Cognition et l’Apprentissage, CNRS UMR 7295, Université de Tours, Tours, France
- Unité de Recherche Clinique Pierre Deniker du Centre Hospitalier Henri Laborit, Poitiers, France
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Harika-Germaneau G, Wassouf I, Tom LT, Guillevin R, Doolub D, Delbreil A, Langbour N, Jaafari N. Treatment of resistant depression with high-frequency rTMS over the left DLPFC: Clinical and neuroimaging biomarkers. Brain Stimul 2023. [DOI: 10.1016/j.brs.2023.01.419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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Harika-Germaneau G, Heit D, Issa W, Doolub D, Langbour N, Jaafari N. Transcranial Direct Current Stimulation in Refractory Obsessive-Compulsive Disorder Treatment: A Randomized Sham-Controlled Trial. Brain Stimul 2023. [DOI: 10.1016/j.brs.2023.01.481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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Wassouf I, Harika-Germaneau G, Langbour N, Doolub D, Jaafari N. Evaluation of the effects of non-invasive neurostimulation technique on self-reported quality of life and disability in treatment-resistant obsessive-compulsive patients. Brain Stimul 2023. [DOI: 10.1016/j.brs.2023.01.417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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Afshari R, Kaveh MH, Lankarani KB, Doolub D, Jaafari N, Ostovarfar J. Empowering teachers to screen, guide, and refer schoolchildren with behavioral and mental health problems. A pilot study to promote mental health in Iran. Front Psychiatry 2022; 13:894483. [PMID: 35990076 PMCID: PMC9385954 DOI: 10.3389/fpsyt.2022.894483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 07/04/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Schools are ideal for promoting the mental health of school-age children, but the teachers' current knowledge is insufficient to play an influential role in mental health services at schools. Fortunately, however, teachers have a high sense of responsibility, interest, and talent to receive knowledge and the ability to participate in this field. This study aimed to examine whether a protocol focused on the role of teachers could identify, guide, and care for school-age children with behavioral and mental health problems. METHOD The current research was a "before and after" pilot quasi-experimental study conducted in three elementary, secondary, and high schools. The main intervention consisted of a 5-h workshop based on a ready-to-use booklet for teachers conducted separately in each school. A total of 58 teachers and 872 school-age children were included using a judgmental sampling technique. RESULTS The pre-and post-workshop mean scores of teachers' knowledge about common mental disorders in school-age children were 6.21 ± 4.58 and 12.50 ± 7.27, respectively. According to the Strengths and Difficulties Questionnaire (SDQ), the teachers made 127 referrals, of whom 102 school-age children had problems. Consultants diagnosed 114 school children who reflected 90% of all teachers' recommendations needing psychological care and counseling. Finally, only 50 diagnosed school-age children were followed up and attended therapy sessions at counseling centers. The sensitivity and specificity of this brief intervention in detecting school-age children with psychological problems were respectively 80.3 and 98.0%. CONCLUSIONS This study's results support teacher empowerment training's effectiveness in identifying and guiding school-age children needing mental health care. Psychological counseling programs in schools in various quantitative and qualitative dimensions, including responding to school-age children's needs and psychological problems, should be adequately evaluated, and appropriate measures should be taken to promote mental health services. Collaboration between health systems and the education department will increase the effectiveness of mental health programs' promotion and drug abuse prevention. These pilot data lead the way to designing scientifically sound follow-up studies that will concretely ascertain the benefit of this program.
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Affiliation(s)
- Ramin Afshari
- Research Center of Social Harms and Substance abuse, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hossein Kaveh
- Research Center for Health Sciences, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kamran Bagheri Lankarani
- Health Policy Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Damien Doolub
- Research Center on Cognition and Learning, CeRCA, CNRS UMR, University of Poitiers, University of Tours, Poitiers, France.,Pierre Deniker Clinical Research Unit, Henri Laborit Hospital Centre, Poitiers, France
| | - Nematollah Jaafari
- Pierre Deniker Clinical Research Unit, Henri Laborit Hospital Centre, Poitiers, France.,Faculty of Medicine and Pharmacy, University of Poitiers, Poitiers, France
| | - Jeyran Ostovarfar
- Department of Health Promotion, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
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Harika-Germaneau G, Wassouf I, Le Tutour T, Guillevin R, Doolub D, Rostami R, Delbreil A, Langbour N, Jaafari N. Baseline Clinical and Neuroimaging Biomarkers of Treatment Response to High-Frequency rTMS Over the Left DLPFC for Resistant Depression. Front Psychiatry 2022; 13:894473. [PMID: 35669263 PMCID: PMC9163359 DOI: 10.3389/fpsyt.2022.894473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/05/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Repetitive transcranial magnetic stimulation (rTMS) has proven to be an efficient treatment option for patients with treatment-resistant depression (TRD). However, the success rate of this method is still low, and the treatment outcome is unpredictable. The objective of this study was to explore clinical and structural neuroimaging factors as potential biomarkers of the efficacy of high-frequency (HF) rTMS (20 Hz) over the left dorso-lateral pre-frontal cortex (DLPFC). METHODS We analyzed the records of 131 patients with mood disorders who were treated with rTMS and were assessed at baseline at the end of the stimulation and at 1 month after the end of the treatment. The response is defined as a 50% decrease in the MADRS score between the first and the last assessment. Each of these patients underwent a T1 MRI scan of the brain, which was subsequently segmented with FreeSurfer. Whole-brain analyses [Query, Design, Estimate, Contrast (QDEC)] were conducted and corrected for multiple comparisons. Additionally, the responder status was also analyzed using binomial multivariate regression models. The explored variables were clinical and anatomical features of the rTMS target obtained from T1 MRI: target-scalp distance, DLPFC gray matter thickness, and various cortical measures of interest previously studied. RESULTS The results of a binomial multivariate regression model indicated that depression type (p = 0.025), gender (p = 0.010), and the severity of depression (p = 0.027) were found to be associated with response to rTMS. Additionally, the resistance stage showed a significant trend (p = 0.055). Whole-brain analyses on volume revealed that the average volume of the left part of the superior frontal and the caudal middle frontal regions is associated with the response status. Other MRI-based measures are not significantly associated with response to rTMS in our population. CONCLUSION In this study, we investigated the clinical and neuroimaging biomarkers associated with responsiveness to high-frequency rTMS over the left DLPFC in a large sample of patients with TRD. Women, patients with bipolar depressive disorder (BDD), and patients who are less resistant to HF rTMS respond better. Responders present a lower volume of the left part of the superior frontal gyrus and the caudal middle frontal gyrus. These findings support further investigation into the use of clinical variables and structural MRI as possible biomarkers of rTMS treatment response.
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Affiliation(s)
- Ghina Harika-Germaneau
- Centre Hospitalier Henri Laborit, Unité de Recherche Clinique Pierre Deniker, Poitiers, France.,Centre de Recherches sur la Cognition et l'Apprentissage, Centre National de la Recherche Scientifique (CNRS 7295), Université de Poitiers, Poitiers, France
| | - Issa Wassouf
- Centre Hospitalier Henri Laborit, Unité de Recherche Clinique Pierre Deniker, Poitiers, France.,Centre de Recherches sur la Cognition et l'Apprentissage, Centre National de la Recherche Scientifique (CNRS 7295), Université de Poitiers, Poitiers, France.,Centre Hospitalier Nord Deux-Sèvres, Service de Psychiatrie Adulte, Thouars, France
| | - Tom Le Tutour
- Centre Hospitalier Henri Laborit, Unité de Recherche Clinique Pierre Deniker, Poitiers, France
| | - Remy Guillevin
- CHU de Poitiers, Service de Radiologie, Poitiers, France.,Laboratoire Dactim Mis, LMA, UMR CNRS 7348, Poitiers, France
| | - Damien Doolub
- Centre Hospitalier Henri Laborit, Unité de Recherche Clinique Pierre Deniker, Poitiers, France.,Centre de Recherches sur la Cognition et l'Apprentissage, Centre National de la Recherche Scientifique (CNRS 7295), Université de Poitiers, Poitiers, France
| | - Reza Rostami
- Department of Psychology, University of Tehran, Tehran, Iran.,Atieh Clinical Neuroscience Centre, Tehran, Iran
| | - Alexia Delbreil
- Centre Hospitalier Henri Laborit, Unité de Recherche Clinique Pierre Deniker, Poitiers, France.,Centre de Recherches sur la Cognition et l'Apprentissage, Centre National de la Recherche Scientifique (CNRS 7295), Université de Poitiers, Poitiers, France.,CHU Poitiers, Service de Médecine Légale, Poitiers, France
| | - Nicolas Langbour
- Centre Hospitalier Henri Laborit, Unité de Recherche Clinique Pierre Deniker, Poitiers, France.,Centre de Recherches sur la Cognition et l'Apprentissage, Centre National de la Recherche Scientifique (CNRS 7295), Université de Poitiers, Poitiers, France
| | - Nematollah Jaafari
- Centre Hospitalier Henri Laborit, Unité de Recherche Clinique Pierre Deniker, Poitiers, France.,Centre de Recherches sur la Cognition et l'Apprentissage, Centre National de la Recherche Scientifique (CNRS 7295), Université de Poitiers, Poitiers, France
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