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Li Z, Tong G, Wang Y, Ruan H, Zheng Z, Cheng J, Wang Z. Task fMRI studies investigating inhibitory control in patients with obsessive-compulsive disorder and eating disorders: A comparative meta-analysis. World J Biol Psychiatry 2024; 25:26-42. [PMID: 37640027 DOI: 10.1080/15622975.2023.2251057] [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: 04/06/2023] [Revised: 08/04/2023] [Accepted: 08/16/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND Obsessive-compulsive disorder (OCD) and eating disorders (EDs) share similarities in terms of clinical characteristics and deficits in inhibitory control. OBJECTIVE To investigate whether inhibitory control could serve as a common behavioural phenotype between OCD and EDs and whether it might be underpinned by shared and/or distinct neural signatures. METHOD We performed a quantitative meta-analysis of brain function abnormalities during the inhibitory control task-based functional Magnetic Resonance Imaging (fMRI) scan across patients with OCD and EDs using seed-based d mapping (SDM). RESULTS The meta-analysis included sixteen OCD fMRI studies and ten EDs fMRI studies. And findings revealed that patients with OCD showed hypoactivation relative to healthy controls and patients with EDs in the anterior cingulate cortex, while compared to healthy controls and patients with OCD, patients with EDs showed hypoactivation in the right insula. CONCLUSIONS Patients with OCD and EDs are inclined to exhibit impaired inhibitory control, which may be attributed to different abnormal patterns of neural activation.
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Affiliation(s)
- Zheqin Li
- Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Geya Tong
- Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yang Wang
- Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hanyang Ruan
- Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zifeng Zheng
- Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Jiayue Cheng
- Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhen Wang
- Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Psychotic Disorders, Shanghai Mental Health Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Institute of Psychological and Behavioral Science, Shanghai Jiao Tong University, Shanghai, China
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Jalal B, Chamberlain SR, Sahakian BJ. Obsessive-compulsive disorder: Etiology, neuropathology, and cognitive dysfunction. Brain Behav 2023; 13:e3000. [PMID: 37137502 PMCID: PMC10275553 DOI: 10.1002/brb3.3000] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 03/14/2023] [Accepted: 03/24/2023] [Indexed: 05/05/2023] Open
Abstract
BACKGROUND This review provides an overview of obsessive-compulsive disorder (OCD) symptoms, including the four partially distinct subtypes of the disorder, current diagnostic criteria, and common comorbidities. Critically, it focuses on the etiology of OCD, including its underlying neuropathology, and examines cognitive dysfunction in OCD. METHODS This review study was conducted by library method. RESULTS We show how dysfunction in cortico-striato-thalamo-cortical (CSTC) circuits may underpin symptoms; and shed light on the putative neurochemistry within these loops such as the role of serotonin, dopamine, and glutamate systems. We also show how OCD is characterized by cognitive dysfunction including problems in cognitive flexibility, visuospatial memory, response inhibition, and goal-directed behavior, linked to aberrant activity within CSTC circuits. CONCLUSIONS In brief, research questions we shed light on include (1) what are the symptoms in OCD; (2) what is the etiology of the disorder and do existing models explain OCD; and (3) what are key cognitive deficits in OCD and do these improve with treatment?
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Affiliation(s)
- Baland Jalal
- Department of PsychiatryUniversity of Cambridge School of Clinical MedicineCambridgeUK
- Behavioural and Clinical Neuroscience Institute, Department of PsychologyUniversity of CambridgeCambridgeUK
| | - Samuel R. Chamberlain
- Faculty of Medicine, Department of PsychiatryUniversity of SouthamptonSouthamptonUK
- Specialist Clinic for Impulsive and Compulsive Disorders, and the Southern Gambling ServiceSouthern Health NHS Foundation TrustSouthamptonUK
| | - Barbara J. Sahakian
- Department of PsychiatryUniversity of Cambridge School of Clinical MedicineCambridgeUK
- Behavioural and Clinical Neuroscience Institute, Department of PsychologyUniversity of CambridgeCambridgeUK
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Quarleri J, Delpino MV. SARS-CoV-2 interacts with renin-angiotensin system: impact on the central nervous system in elderly patients. GeroScience 2022; 44:547-565. [PMID: 35157210 PMCID: PMC8853071 DOI: 10.1007/s11357-022-00528-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/08/2022] [Indexed: 01/18/2023] Open
Abstract
SARS-CoV-2 is a recently identified coronavirus that causes the current pandemic disease known as COVID-19. SARS-CoV-2 uses angiotensin-converting enzyme 2 (ACE2) as a receptor, suggesting that the initial steps of SARS-CoV-2 infection may have an impact on the renin-angiotensin system (RAS). Several processes are influenced by RAS in the brain. The neurological symptoms observed in COVID-19 patients, including reduced olfaction, meningitis, ischemic stroke, cerebral thrombosis, and delirium, could be associated with RAS imbalance. In this review, we focus on the potential role of disturbances in the RAS as a cause for central nervous system sequelae of SARS-CoV-2 infection in elderly patients.
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Affiliation(s)
- Jorge Quarleri
- Instituto de Investigaciones Biomédicas en Retrovirus Y Sida (INBIRS), Universidad de Buenos Aires-CONICET, Paraguay 2155-Piso 11 (1121), Buenos Aires, Argentina.
| | - M Victoria Delpino
- Instituto de Investigaciones Biomédicas en Retrovirus Y Sida (INBIRS), Universidad de Buenos Aires-CONICET, Paraguay 2155-Piso 11 (1121), Buenos Aires, Argentina.
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Kashyap R, Eng GK, Bhattacharjee S, Gupta B, Ho R, Ho CSH, Zhang M, Mahendran R, Sim K, Chen SHA. Individual-fMRI-approaches reveal cerebellum and visual communities to be functionally connected in obsessive compulsive disorder. Sci Rep 2021; 11:1354. [PMID: 33446780 PMCID: PMC7809273 DOI: 10.1038/s41598-020-80346-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 12/11/2020] [Indexed: 01/29/2023] Open
Abstract
There is significant interest in understanding the pathophysiology of Obsessive-Compulsive Disorder (OCD) using resting-state fMRI (rsfMRI). Previous studies acknowledge abnormalities within and beyond the fronto-striato-limbic circuit in OCD that require further clarifications. However, limited information could be inferred from the conventional way of investigating the functional connectivity differences between OCD and healthy controls. Here, we identified altered brain organization in patients with OCD by applying individual-based approaches to maximize the identification of underlying network-based features specific to the OCD group. rsfMRI of 20 patients with OCD and 22 controls were preprocessed, and individual-fMRI-subspace was derived for each subject within each group. We evaluated group differences in functional connectivity using individual-fMRI-subspace and established its advantage over conventional-fMRI methodology. We applied prediction-based approaches to highlight the group differences by evaluating the differences in functional connections that predicted the clinical scores (namely, the Obsessive-Compulsive Inventory-Revised (OCI-R) and Hamilton Anxiety Rating Scale). Then, we explored the brain network organization of both groups by estimating the subject-specific communities within each group. Lastly, we evaluated associations between the inter-individual variation of nodes in the communities to clinical measures using linear regression. Functional connectivity analysis using individual-fMRI-subspace detected 83 connections that were different between OCD and control groups, compared to none found using conventional-fMRI methodology. Connectome-based prediction analysis did not show significant overlap between the two groups in the functional connections that predicted the clinical scores. This suggests that the functional architecture in patients with OCD may be different compared to controls. Seven communities were found in both groups. Interestingly, within the OCD group but not controls, we observed functional connectivity between cerebellar and visual regions, and lack of connectivity between striato-limbic and frontal areas. Inter-individual variations in the community-size of these two communities were also associated with the OCI-R score (p < .005). Due to our small sample size, we further validated our results by (i) accounting for head motion, (ii) applying global signal regression (GSR) in data processing, and (iii) using an alternate atlas for parcellation. While the main results were consistently observed with accounting for head motion and using another atlas, the key findings were not reproduced with GSR application. The study demonstrated the existence of disconnectedness in fronto-striato-limbic community and connectedness between cerebellar and visual areas in OCD patients, which was also related to the clinical symptomatology of OCD.
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Affiliation(s)
- Rajan Kashyap
- Centre for Research and Development in Learning (CRADLE), Nanyang Technological University, CRADLE, 61 Nanyang Drive, ABN-01b-10, Singapore, 637335, Singapore.
| | - Goi Khia Eng
- Department of Psychiatry, New York University School of Medicine, New York, USA
- Division of Clinical Research, Nathan S. Kline Institute for Psychiatric Research, Orangeburg, USA
- School of Social Sciences (SSS), Nanyang Technological University, 48 Nanyang Ave, SHHK-04-19, Singapore, 639818, Singapore
| | - Sagarika Bhattacharjee
- School of Social Sciences (SSS), Nanyang Technological University, 48 Nanyang Ave, SHHK-04-19, Singapore, 639818, Singapore
| | - Bhanu Gupta
- Community Psychiatry, Institute of Mental Health, Singapore, Singapore
| | - Roger Ho
- Psychological Medicine, National University Health Systems, Singapore, Singapore
| | - Cyrus S H Ho
- Psychological Medicine, National University Health Systems, Singapore, Singapore
| | - Melvyn Zhang
- Psychological Medicine, National University Health Systems, Singapore, Singapore
| | - Rathi Mahendran
- Psychological Medicine, National University Health Systems, Singapore, Singapore
- Academic Development Department, Duke-NUS Medical School, Singapore, Singapore
| | - Kang Sim
- West Region, Institute of Mental Health, Singapore, Singapore
| | - S H Annabel Chen
- Centre for Research and Development in Learning (CRADLE), Nanyang Technological University, CRADLE, 61 Nanyang Drive, ABN-01b-10, Singapore, 637335, Singapore.
- School of Social Sciences (SSS), Nanyang Technological University, 48 Nanyang Ave, SHHK-04-19, Singapore, 639818, Singapore.
- Lee Kong Chian School of Medicine (LKC Medicine), Nanyang Technological University, Singapore, Singapore.
- Office of Educational Research, National Institute of Education, Nanyang Technological University, Singapore, Singapore.
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Abstract
In the last 20 years, functional magnetic resonance imaging (fMRI) has been extensively used to investigate system-level abnormalities in the brain of patients with obsessive-compulsive disorder (OCD). In this chapter, we start by reviewing the studies assessing regional brain differences between patients with OCD and healthy controls in task-based fMRI. Specifically, we review studies on executive functioning and emotional processing, protocols in which these patients have been described to show alterations at the behavioral level, as well as research using symptom provocation protocols. Next, we review studies on brain connectivity alterations, focusing on resting-state studies evaluating disruptions in fronto-subcortical functional connectivity and in cortical networks. Likewise, we also review research on effective connectivity, which, different from functional connectivity, allows for ascertaining the directionality of inter-regional connectivity alterations. We conclude by reviewing the most significant findings on a topic of translational impact, such as the use of different fMRI measurements to predict response across a variety of treatment approaches. Overall, results suggest that there exists a pattern of regions, involving, but not limited to, different nodes of the cortico-striatal-thalamo-cortical circuits, showing robust evidence of functional alteration across studies, although the nature of the alterations critically depends on the specific tasks and their particular demands. Moreover, such findings have been, to date, poorly translated into clinical practice. It is suggested that this may be partially accounted for by the difficulty to integrate into a common framework results obtained under a wide variety of analysis approaches.
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Affiliation(s)
- Carles Soriano-Mas
- Department of Psychiatry, Bellvitge University Hospital, Bellvitge Biomedical Research Institute-IDIBELL, Barcelona, Spain. .,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Barcelona, Spain. .,Department of Psychobiology and Methodology of Health Sciences, Universitat Autònoma de Barcelona, Barcelona, Spain.
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Grant JE, Chamberlain SR. Exploring the neurobiology of OCD: clinical implications. THE PSYCHIATRIC TIMES 2020; 2020:exploring-neurobiology-ocd-clinical-implications. [PMID: 32624642 PMCID: PMC7334048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Jon E Grant
- Department of Psychiatry & Behavioral Neuroscience, University of Chicago, Chicago, IL, USA
| | - Samuel R Chamberlain
- Department of Psychiatry, University of Cambridge; & Cambridgeshire and Peterborough NHS, Foundation Trust (CPFT), UK
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