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Long JY, Li B, Ding P, Mei H, Li Y. Correlations between multimodal neuroimaging and peripheral inflammation in different subtypes and mood states of bipolar disorder: a systematic review. Int J Bipolar Disord 2024; 12:5. [PMID: 38388844 PMCID: PMC10884387 DOI: 10.1186/s40345-024-00327-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 02/07/2024] [Indexed: 02/24/2024] Open
Abstract
BACKGROUND Systemic inflammation-immune dysregulation and brain abnormalities are believed to contribute to the pathogenesis of bipolar disorder (BD). However, the connections between peripheral inflammation and the brain, especially the interactions between different BD subtypes and episodes, remain to be elucidated. Therefore, we conducted the present study to provide a comprehensive understanding of the complex association between peripheral inflammation and neuroimaging findings in patients with bipolar spectrum disorders. METHODS This systematic review was registered in the International Prospective Register of Systematic Reviews (PROSPERO) database (CRD42023447044) and conducted according to the Population, Intervention, Comparison, Outcomes, and Study Design (PICOS) framework. Online literature databases (PubMed, Web of Science, Scopus, EMBASE, MEDLINE, PsycINFO, and the Cochrane Library) were searched for studies that simultaneously investigated both peripheral inflammation-related factors and magnetic resonance neurography of BD patients up to July 01, 2023. Then, we analysed the correlations between peripheral inflammation and neuroimaging, as well as the variation trends and the shared and specific patterns of these correlations according to different clinical dimensions. RESULTS In total, 34 publications ultimately met the inclusion criteria for this systematic review, with 2993 subjects included. Among all patterns of interaction between peripheral inflammation and neuroimaging, the most common pattern was a positive relationship between elevated inflammation levels and decreased neuroimaging measurements. The brain regions most susceptible to inflammatory activation were the anterior cingulate cortex, amygdala, prefrontal cortex, striatum, hippocampus, orbitofrontal cortex, parahippocampal gyrus, postcentral gyrus, and posterior cingulate cortex. LIMITATIONS The small sample size, insufficiently explicit categorization of BD subtypes and episodes, and heterogeneity of the research methods limited further implementation of quantitative data synthesis. CONCLUSIONS Disturbed interactions between peripheral inflammation and the brain play a critical role in BD, and these interactions exhibit certain commonalities and differences across various clinical dimensions of BD. Our study further confirmed that the fronto-limbic-striatal system may be the central neural substrate in BD patients.
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Affiliation(s)
- Jing-Yi Long
- Wuhan Mental Health Center, No. 89, Gongnongbing Rd., Jiang'an District, Wuhan, 430012, Hubei Province, China
- Affiliated Wuhan Mental Health Center, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Bo Li
- School of Public Administration, China University of Geosciences, Wuhan, 430074, China
| | - Pei Ding
- Wuhan Mental Health Center, No. 89, Gongnongbing Rd., Jiang'an District, Wuhan, 430012, Hubei Province, China
- Affiliated Wuhan Mental Health Center, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Hao Mei
- Zhongnan Hospital of Wuhan University, No. 169, East Lake Rd., Wuchang District, Wuhan, 430062, Hubei Province, China.
| | - Yi Li
- Wuhan Mental Health Center, No. 89, Gongnongbing Rd., Jiang'an District, Wuhan, 430012, Hubei Province, China.
- Affiliated Wuhan Mental Health Center, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China.
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Wu Y, Zhong Y, Zhang G, Wang C, Zhang N, Chen Q. Distinct functional patterns in child and adolescent bipolar and unipolar depression during emotional processing. Cereb Cortex 2024; 34:bhad461. [PMID: 38044479 DOI: 10.1093/cercor/bhad461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 09/28/2023] [Indexed: 12/05/2023] Open
Abstract
Accumulating evidence from functional magnetic resonance imaging studies supported brain dysfunction during emotional processing in bipolar disorder (BD) and major depressive disorder (MDD). However, child and adolescent BD and MDD could display different activation patterns, which have not been fully understood. This study aimed to investigate common and distinct activation patterns of pediatric BD (PBD) and MDD (p-MDD) during emotion processing using meta-analytic approaches. Literature search identified 25 studies, contrasting 252 PBD patients, and 253 healthy controls (HCs) as well as 311 p-MDD patients and 263 HCs. A total of nine meta-analyses were conducted pulling PBD and p-MDD experiments together and separately. The results revealed that PBD and p-MDD showed distinct patterns during negative processing. PBD patients exhibited activity changes in bilateral precuneus, left inferior parietal gyrus, left angular gyrus, and right posterior cingulate cortex while p-MDD patients showed functional disruptions in the left rectus, left triangular part of the inferior frontal gyrus, left orbital frontal cortex, left insula, and left putamen. In conclusion, the activity changes in PBD patients were mainly in regions correlated with emotion perception while the dysfunction among p-MDD patients was in the fronto-limbic circuit and reward-related regions in charge of emotion appraisal and regulation.
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Affiliation(s)
- Yun Wu
- School of Psychology, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing, Jiangsu 210097, China
- Jiangsu Key Laboratory of Mental Health and Cognitive Science, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing 210097, China
- Jiangsu International Collaborative Laboratory of Child and Adolescent Psychological Development and Crisis Intervention, Nanjing Normal University, 122 Ninghai Rd., Gulou District, Nanjing 210097, China
| | - Yuan Zhong
- School of Psychology, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing, Jiangsu 210097, China
- Jiangsu Key Laboratory of Mental Health and Cognitive Science, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing 210097, China
- Jiangsu International Collaborative Laboratory of Child and Adolescent Psychological Development and Crisis Intervention, Nanjing Normal University, 122 Ninghai Rd., Gulou District, Nanjing 210097, China
| | - Gui Zhang
- School of Psychology, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing, Jiangsu 210097, China
- Jiangsu Key Laboratory of Mental Health and Cognitive Science, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing 210097, China
- Jiangsu International Collaborative Laboratory of Child and Adolescent Psychological Development and Crisis Intervention, Nanjing Normal University, 122 Ninghai Rd., Gulou District, Nanjing 210097, China
| | - Chun Wang
- Psychiatry Department, Nanjing Brain Hospital Affiliated to Nanjing Medical University, 264 Guangzhou Road, Gulou District, Nanjing, Jiangsu 210029, China
| | - Ning Zhang
- Psychiatry Department, Nanjing Brain Hospital Affiliated to Nanjing Medical University, 264 Guangzhou Road, Gulou District, Nanjing, Jiangsu 210029, China
| | - Qingrong Chen
- School of Psychology, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing, Jiangsu 210097, China
- Jiangsu Key Laboratory of Mental Health and Cognitive Science, Nanjing Normal University, 122 Ninghai Road, Gulou District, Nanjing 210097, China
- Jiangsu International Collaborative Laboratory of Child and Adolescent Psychological Development and Crisis Intervention, Nanjing Normal University, 122 Ninghai Rd., Gulou District, Nanjing 210097, China
- Jiangsu Collaborative Innovation Center for Language Ability, School of Linguistic Sciences And Arts, Jiangsu Normal University, 57 Heping Road, Yunlong District, Xuzhou, Jiangsu 221009, China
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Chen Y, Zhao P, Pan C, Chang M, Zhang X, Duan J, Wei Y, Tang Y, Wang F. State- and trait-related dysfunctions in bipolar disorder across different mood states: a graph theory study. J Psychiatry Neurosci 2024; 49:E11-E22. [PMID: 38238036 PMCID: PMC10803102 DOI: 10.1503/jpn.230069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/10/2023] [Accepted: 09/14/2023] [Indexed: 01/23/2024] Open
Abstract
BACKGROUND The interplay between state- and trait-related disruptions in structural networks remains unclear in bipolar disorder (BD), but graph theory can offer insights into global and local network changes. We sought to use diffusion-tensor imaging (DTI) and graph theory approaches to analyze structural topological properties across distinct mood states and identify high-risk individuals by examining state- and trait-related impairments in BD. METHODS We studied changes in white matter network among patients with BD and healthy controls, exploring relationships with clinical variables. Secondary analysis involved comparing patients with BD with unaffected people at high genetic risk for BD. RESULTS We included 152 patients with BD, including 52 with depressive BD (DBD), 64 with euthymic BD (EBD) and 36 with manic BD (MBD); we also included 75 healthy controls. Secondary analyses involved 27 unaffected people at high genetic risk for BD. Patients with DBD and MBD exhibited significantly lower global efficiencies than those with EBD and healthy controls, with patients with DBD showing the lowest global efficiencies. In addition, patients with DBD displayed impaired local efficiency and normalized clustering coefficient (γ). At a global level, γ correlated negatively with depression and anxiety. Compared with healthy controls, and across mood states, patients with BD showed abnormal shortest path lengths in the frontolimbic circuit, a trend mirrored among those at high genetic risk for BD. LIMITATIONS Considerations include medication effects, absence of recorded BD episode counts and the cross-sectional nature of the study. CONCLUSION Mood-specific whole-brain network metrics could serve as potential biomarkers in BD for transitions between mood states. Moreover, these findings contribute to evidence of trait-related frontolimbic circuit irregularities, shedding light on underlying pathophysiological mechanisms in BD.
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Affiliation(s)
- Yifan Chen
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Pengfei Zhao
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Chunyu Pan
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Miao Chang
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Xizhe Zhang
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Jia Duan
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Yange Wei
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Yanqing Tang
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
| | - Fei Wang
- From the Department of Psychiatry, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chen, Wang); the Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China (Chen, Zhao, Pan, Duan, Wang); the Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China (Chen, Zhao, Duan, Wei, Wang); the Department of Radiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, PR China (Chang); the School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China (Zhang); the School of Computer Science and Engineering, Northeastern University, Shenyang, China (Pan); and the Department of Psychiatry, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China (Tang)
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4
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Förster K, Maliske LZ, Schurz M, Henneberg PM, Dannlowski U, Kanske P. How do bipolar disease states affect positive and negative emotion processing? Insights from a meta-analysis on the neural fingerprints of emotional processing. Bipolar Disord 2023; 25:540-553. [PMID: 37248623 DOI: 10.1111/bdi.13341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
BACKGROUND Functional magnetic resonance imaging studies on emotion processing in patients with bipolar disorder (BD) show hyperactivity of limbic-striatal brain areas and hypoactivity in inferior frontal areas compared to healthy participants. However, heterogeneous results in patients with different disease states and different valences of emotional stimuli have been identified. METHODS To integrate previous results and elucidate the impact of disease state and stimulus valence, we conducted a systematic literature search for journal articles in the Web of Science Core Collection including MEDLINE databases and employed a coordinate-based-meta-analysis of functional-MRI studies comparing emotion processing in BD-patients with healthy participants using seed-based d mapping (SDM) to test for between-subjects-effects. We included 31 studies published before 11/2022 with a total of N = 766 BD-patients and N = 836 controls. RESULTS Patients with BD showed hyperactivated regions involved in salience processing of emotional stimuli (e.g., the bilateral insula) and hypoactivation of regions associated with emotion regulation (e.g., inferior frontal gyrus) during emotion processing, compared to healthy participants. A more detailed descriptive analysis revealed a hypoactive (anterior) insula in manic BD-patients specifically for negative in comparison to positive emotion processing. DISCUSSION This meta-analysis corroborates the overall tenor of existing literature that patients with BD show an increased emotional reactivity (hyperactivity of salience-processing regions) together with a lower (cognitive) control (hypoactivity of brain areas associated with emotion regulation) over emotional states. Our analysis suggests reduced interoceptive processing of negative stimuli in mania, pointing out the need for longitudinal within-subject analyses of emotion processing.
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Affiliation(s)
- Katharina Förster
- Clinical Psychology and Behavioral Neuroscience, Faculty of Psychology, Technische Universität Dresden, Dresden, Germany
| | - Lara Z Maliske
- Clinical Psychology and Behavioral Neuroscience, Faculty of Psychology, Technische Universität Dresden, Dresden, Germany
| | - Matthias Schurz
- Institute of Psychology and Digital Science Center (DiSC), University of Innsbruck, Innsbruck, Austria
| | - Paula M Henneberg
- Clinic and Outpatient Clinic of Psychiatry and Psychotherapy, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Udo Dannlowski
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Philipp Kanske
- Clinical Psychology and Behavioral Neuroscience, Faculty of Psychology, Technische Universität Dresden, Dresden, Germany
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Phenotypes, mechanisms and therapeutics: insights from bipolar disorder GWAS findings. Mol Psychiatry 2022; 27:2927-2939. [PMID: 35351989 DOI: 10.1038/s41380-022-01523-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 03/02/2022] [Accepted: 03/10/2022] [Indexed: 12/25/2022]
Abstract
Genome-wide association studies (GWAS) have reported substantial genomic loci significantly associated with clinical risk of bipolar disorder (BD), and studies combining techniques of genetics, neuroscience, neuroimaging, and pharmacology are believed to help tackle clinical problems (e.g., identifying novel therapeutic targets). However, translating findings of psychiatric genetics into biological mechanisms underlying BD pathogenesis remains less successful. Biological impacts of majority of BD GWAS risk loci are obscure, and the involvement of many GWAS risk genes in this illness is yet to be investigated. It is thus necessary to review the progress of applying BD GWAS risk genes in the research and intervention of the disorder. A comprehensive literature search found that a number of such risk genes had been investigated in cellular or animal models, even before they were highlighted in BD GWAS. Intriguingly, manipulation of many BD risk genes (e.g., ANK3, CACNA1C, CACNA1B, HOMER1, KCNB1, MCHR1, NCAN, SHANK2 etc.) resulted in altered murine behaviors largely restoring BD clinical manifestations, including mania-like symptoms such as hyperactivity, anxiolytic-like behavior, as well as antidepressant-like behavior, and these abnormalities could be attenuated by mood stabilizers. In addition to recapitulating phenotypic characteristics of BD, some GWAS risk genes further provided clues for the neurobiology of this illness, such as aberrant activation and functional connectivity of brain areas in the limbic system, and modulated dendritic spine morphogenesis as well as synaptic plasticity and transmission. Therefore, BD GWAS risk genes are undoubtedly pivotal resources for modeling this illness, and might be translational therapeutic targets in the future clinical management of BD. We discuss both promising prospects and cautions in utilizing the bulk of useful resources generated by GWAS studies. Systematic integrations of findings from genetic and neuroscience studies are called for to promote our understanding and intervention of BD.
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6
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Palamarchuk IS, Vaillancourt T. Integrative Brain Dynamics in Childhood Bullying Victimization: Cognitive and Emotional Convergence Associated With Stress Psychopathology. Front Integr Neurosci 2022; 16:782154. [PMID: 35573445 PMCID: PMC9097078 DOI: 10.3389/fnint.2022.782154] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 03/15/2022] [Indexed: 12/14/2022] Open
Abstract
Bullying victimization is a form of psychological stress that is associated with poor outcomes in the areas of mental health and learning. Although the emotional maladjustment and memory impairment following interpersonal stress are well documented, the mechanisms of complex cerebral dysfunctions have neither been outlined nor studied in depth in the context of childhood bullying victimization. As a contribution to the cross-disciplinary field of developmental psychology and neuroscience, we review the neuropathophysiology of early life stress, as well as general psychological stress to synthesize the data and clarify the versatile dynamics within neuronal networks linked to bullying victimization. The stress-induced neuropsychological cascade and associated cerebral networks with a focus on cognitive and emotional convergence are described. The main findings are that stress-evoked neuroendocrine reactivity relates to neuromodulation and limbic dysregulation that hinder emotion processing and executive functioning such as semantic cognition, cognitive flexibility, and learning. Developmental aspects and interacting neural mechanisms linked to distressed cognitive and emotional processing are pinpointed and potential theory-of-mind nuances in targets of bullying are presented. The results show that childhood stress psychopathology is associated with a complex interplay where the major role belongs to, but is not limited to, the amygdala, fusiform gyrus, insula, striatum, and prefrontal cortex. This interplay contributes to the sensitivity toward facial expressions, poor cognitive reasoning, and distress that affect behavioral modulation and emotion regulation. We integrate the data on major brain dynamics in stress neuroactivity that can be associated with childhood psychopathology to help inform future studies that are focused on the treatment and prevention of psychiatric disorders and learning problems in bullied children and adolescents.
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Bi B, Che D, Bai Y. Neural network of bipolar disorder: Toward integration of neuroimaging and neurocircuit-based treatment strategies. Transl Psychiatry 2022; 12:143. [PMID: 35383150 PMCID: PMC8983759 DOI: 10.1038/s41398-022-01917-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 01/23/2023] Open
Abstract
Bipolar disorder (BD) is a complex psychiatric disorder characterized by dysfunctions in three domains including emotional processing, cognitive processing, and psychomotor dimensions. However, the neural underpinnings underlying these clinical profiles are not well understood. Based on the reported data, we hypothesized that (i) the core neuropathology in BD is damage in fronto-limbic network, which is associated with emotional dysfunction; (ii) changes in intrinsic brain network, such as sensorimotor network, salience network, default-mode network, central executive network are associated with impaired cognition function; and (iii) beyond the dopaminergic-driven basal ganglia-thalamo-cortical motor circuit modulated by other neurotransmitter systems, such as serotonin (subcortical-cortical modulation), the sensorimotor network and related motor function modulated by other non-motor networks such as the default-mode network are involved in psychomotor function. In this review, we propose a neurocircuit-based clinical characteristics and taxonomy to guide the treatment of BD. We draw on findings from neuropsychological and neuroimaging studies in BD and link variations in these clinical profiles to underlying neurocircuit dysfunctions. We consider pharmacological, psychotherapy, and neuromodulatory treatments that could target those specific neurocircuit dysfunctions in BD. Finally, it is suggested that the methods of testing the neurocircuit-based taxonomy and important limitations to this approach should be considered in future.
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Affiliation(s)
- Bo Bi
- Department of Clinical Psychology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China.
| | - Dongfang Che
- grid.452787.b0000 0004 1806 5224Neurosurgery department, Shenzhen Children’s Hospital, Shenzhen, China
| | - Yuyin Bai
- grid.12981.330000 0001 2360 039XDepartment of Clinical Psychology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
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8
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Simonetti A, Saxena K, Koukopoulos AE, Janiri D, Lijffijt M, Swann AC, Kotzalidis GD, Sani G. Amygdala structure and function in paediatric bipolar disorder and high-risk youth: A systematic review of magnetic resonance imaging findings. World J Biol Psychiatry 2022; 23:103-126. [PMID: 34165050 DOI: 10.1080/15622975.2021.1935317] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Converging evidence from structural and functional magnetic resonance imaging (MRI) studies points to amygdala alteration as crucial in the development of paediatric bipolar disorder (pBP). The high number of recent studies prompted us to comprehensively evaluate findings. We aimed to systematically review structural and functional MRI studies investigating the amygdala in patients with pBP and in youth at high-risk (HR) for developing pBP. METHODS We searched PubMed from any time to 25 September 2020 using: 'amygdala AND (MRI OR magnetic resonance imaging) AND bipolar AND (pediatr* OR child OR children OR childhood OR adolescent OR adolescents OR adolescence OR young OR familial OR at-risk OR sibling* OR offspring OR high risk)'. In this review, we adhered to the PRISMA statement. RESULTS Amygdala hyperactivity to emotional stimuli is the most commonly reported finding in youth with pBP and HR compared to healthy peers (HC), whereas findings from structural MRI studies are inconsistent. CONCLUSIONS Hyperactivation of the amygdala might be an endophenotype of pBP.
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Affiliation(s)
- Alessio Simonetti
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Department of Psychiatry, Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, Rome, Italy.,Centro Lucio Bini, Rome, Italy
| | - Kirti Saxena
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Department of Psychiatry, Texas Children's Hospital, Houston, TX, USA
| | - Alexia E Koukopoulos
- Centro Lucio Bini, Rome, Italy.,Azienda Ospedaliera Universitaria Policlinico Umberto I, Sapienza School of Medicine and Dentistry, Sapienza University of Rome, Rome, Italy
| | - Delfina Janiri
- Centro Lucio Bini, Rome, Italy.,Department of Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy
| | - Marijn Lijffijt
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. DeBakey VA Medical Center, Houston, TX, USA
| | - Alan C Swann
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. DeBakey VA Medical Center, Houston, TX, USA
| | - Georgios D Kotzalidis
- Centro Lucio Bini, Rome, Italy.,NESMOS Department, Faculty of Medicine and Psychology, Sant'Andrea University Hospital, Sapienza University of Rome, Rome, Italy
| | - Gabriele Sani
- Department of Psychiatry, Fondazione Policlinico Universitario "Agostino Gemelli" IRCCS, Rome, Italy.,Institute of Psychiatry, Università Cattolica del Sacro Cuore, Roma, Italy
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Gao W, Cui D, Jiao Q, Su L, Lu G, Yang R. Altered spatiotemporal consistency in pediatric bipolar disorder patients with and without psychotic symptoms. BMC Psychiatry 2021; 21:506. [PMID: 34654382 PMCID: PMC8518299 DOI: 10.1186/s12888-021-03524-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 10/07/2021] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVE Psychotic symptoms are quite common in patients with pediatric bipolar disorder (PBD) and may affect the symptom severity and prognosis of PBD. However, the potential mechanisms are less well elucidated until now. Thus, the purpose of this study was to investigate the brain functional differences between PBD patients with and without psychotic symptoms. METHOD A total of 71 individuals including: 27 psychotic PBD (P-PBD), 25 nonpsychotic PBD (NP-PBD), and 19 healthy controls were recruited in the present study. Each subject underwent 3.0 Tesla functional magnetic resonance imaging scan. Four-dimensional (spatiotemporal) Consistency of local neural Activities (FOCA) was employed to detect the local brain activity changes. Analyses of variance (ANOVA) were used to reveal brain regions with significant differences among three groups groups of individuals, and inter-group comparisons were assessed using post hoc tests. RESULTS The ANOVA obtained significant among-group FOCA differences in the left triangular inferior frontal gyrus, left supplementary motor area, left precentral gyrus, right postcentral gyrus, right superior occipital gyrus, and right superior frontal gyrus. Compared with the control group, the P-PBD group showed decreased FOCA in the left supplementary motor area and bilateral superior frontal gyrus and showed increased FOCA in the left triangular inferior frontal gyrus. In contrast, the NP-PBD group exhibited decreased FOCA in the right superior occipital gyrus and right postcentral gyrus and showed increased FOCA in the left orbital inferior frontal gyrus. Compared to the NP-PBD group, the P-PBD group showed decreased FOCA in the right superior frontal gyrus. CONCLUSION The present findings demonstrated that the two groups of PBD patients exhibited segregated brain functional patterns, providing empirical evidence for the biological basis of different clinical outcomes between PBD patients with and without psychotic symptoms.
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Affiliation(s)
- Weijia Gao
- grid.13402.340000 0004 1759 700XDepartment of Child Psychology, The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children’s Regional Medical Center, No. 3333 Binsheng Road, Zhejiang, Hangzhou China
| | - Dong Cui
- grid.506261.60000 0001 0706 7839Institute of Biomedical Engineering, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Qing Jiao
- Department of Radiology, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai’an, Shandong China
| | - Linyan Su
- Mental Health Institute, The Second Xiangya Hospital of Central South University, Key Laboratory of Psychiatry and Mental Health of Hunan Province, National Technology Institute of Psychiatry, Changsha, Hunan China
| | - Guangming Lu
- Department of Medical Imaging, Jinling Hospital, Clinical School of Medical College, Nanjing University, 305 Zhongshan East Road, Nanjing, Jiangsu, China.
| | - Rongwang Yang
- Department of Child Psychology, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, National Children's Regional Medical Center, No. 3333 Binsheng Road, Zhejiang, Hangzhou, China.
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10
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Ross AJ, Roule AL, Deveney CM, Towbin KE, Brotman MA, Leibenluft E, Tseng WL. A preliminary study on functional activation and connectivity during frustration in youths with bipolar disorder. Bipolar Disord 2021; 23:263-273. [PMID: 32790927 PMCID: PMC8074834 DOI: 10.1111/bdi.12985] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Frustration is associated with impaired attention, heightened arousal, and greater unhappiness in youths with bipolar disorder (BD) vs healthy volunteers (HV). Little is known about functional activation and connectivity in the brain of BD youths in response to frustration. This exploratory study compared BD youths and HV on attentional abilities, self-reported affect, and functional activation and connectivity during a frustrating attention task. METHODS Twenty BD (Mage = 15.86) and 20 HV (Mage = 15.55) youths completed an fMRI paradigm that differentiated neural responses during processing of frustrating feedback from neural responses during attention orienting following frustrating feedback. We examined group differences in (a) functional connectivity using amygdala, inferior frontal gyrus (IFG), and striatum as seeds and (b) whole-brain and regions of interest (amygdala, IFG, striatum) activation. We explored task performance (accuracy, reaction time), self-reported frustration and unhappiness, and correlations between these variables and irritability, depressive, and manic symptoms. RESULTS Bipolar disorder youths, relative to HV, exhibited positive IFG-ventromedial prefrontal cortex (vmPFC) connectivity yet failed to show negative striatum-insula connectivity during feedback processing. Irritability symptoms were positively associated with striatum-insula connectivity during feedback processing. Moreover, BD vs HV youths showed positive IFG-parahippocampal gyrus (PHG)/periaqueductal gray (PAG) connectivity and negative amygdala-cerebellum connectivity during attention orienting following frustration. BD was not associated with atypical activation patterns. CONCLUSIONS Positive IFG-vmPFC connectivity and striatum-insula decoupling in BD during feedback processing may mediate heightened sensitivity to reward-relevant stimuli. Elevated IFG-PAG/PHG connectivity in BD following frustration may suggest greater recruitment of attention network to regulate arousal and maintain goal-directed behavior.
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Affiliation(s)
- Andrew J Ross
- Emotion and Development Branch, Department of Health and Human Services, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
- Department of Psychology, University of Rochester, Rochester, NY, USA
| | - Alexandra L Roule
- Department of Psychology, The Pennsylvania State University, University Park, PA, USA
| | | | - Kenneth E Towbin
- Emotion and Development Branch, Department of Health and Human Services, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Melissa A Brotman
- Emotion and Development Branch, Department of Health and Human Services, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Ellen Leibenluft
- Emotion and Development Branch, Department of Health and Human Services, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Wan-Ling Tseng
- Yale Child Study Center, Yale University School of Medicine, New Haven, CT, USA
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11
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Xiao Q, Wu Z, Jiao Q, Zhong Y, Zhang Y, Lu G. Children with euthymic bipolar disorder during an emotional go/nogo task: Insights into the neural circuits of cognitive-emotional regulation. J Affect Disord 2021; 282:669-676. [PMID: 33445090 DOI: 10.1016/j.jad.2020.12.157] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/30/2020] [Accepted: 12/23/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND Pediatric bipolar disorder (PBD), manifested by alternating episodes of depression and mania, is more likely to relapse than adult BD and develop into chronic BD. Although it can be asymptomatic during the remission of PBD, subtle changes in the brain neural response can still exist. Abnormal activities in the neural circuits of cognitive-emotional regulation have been found in adult BD patients using fMRI. However, few fMRI studies focus on emotional regulation on cognitive function in euthymic PBD, especially during an emotional go/nogo task. Therefore, this study aims to compare differences in the activities of both emotional and cognitive circuits between euthymic BD children and healthy controls. METHODS 18 euthymic PBD and 17 healthy subjects from 12 to 17 years of age were enrolled in our study. Simultaneous neural activity was recorded during the overall task and the effect of emotional factors on task performances was assessed. RESULTS There were no significant differences in behavioral performances between the PBD group and the control group. During a task with emotional versus neutral distractors, euthymic PBD patients showed increased activities in the DLPFC, inferior parietal lobule, superior/middle frontal gyrus, superior/middle temporal gyrus, insula, posterior cingulate gyrus and posterior cerebellum lobe relative to healthy controls. The insula and DLPFC activities in response to emotional versus neutral distractors were positively associated with the differences in false response errors. CONCLUSIONS This study confirms the enhanced neural activities in euthymic PBD during a task with emotional versus control distractors. These brain regions supporting the cognitive and emotional dysregulation of PBD mainly coincide with the salience and executive control networks. As neural responses are more sensitive than behavioral manifestations in euthymic PBD, our findings will inspire more clinical studies to unveil the characteristic neuromechanism of PBD.
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Affiliation(s)
- Qian Xiao
- Mental Health Centre of Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Zhou Wu
- School of Psychology, Nanjing Normal University, Nanjing 210097, China
| | - Qing Jiao
- Department of Radiology, Taishan Medical University, Taian 271016, China
| | - Yuan Zhong
- School of Psychology, Nanjing Normal University, Nanjing 210097, China.
| | - Yun Zhang
- Medical Department, Northwest Minzu University, Lanzhou 730030, China.
| | - Guangming Lu
- Department of Medical Imaging, Jinling Hospital, Nanjing University School of Medicine, Nanjing 210002, China
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12
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Furlong LS, Rossell SL, Caruana GF, Cropley VL, Hughes M, Van Rheenen TE. The activity and connectivity of the facial emotion processing neural circuitry in bipolar disorder: a systematic review. J Affect Disord 2021; 279:518-548. [PMID: 33142156 DOI: 10.1016/j.jad.2020.10.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 10/15/2020] [Accepted: 10/20/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND Facial emotion processing abnormalities may be a trait feature of bipolar disorder (BD). These social cognitive impairments may be due to alterations in the neural processing of facial affective information in visual ("core"), and limbic and prefrontal ("extended") networks, however, the precise neurobiological mechanism(s) underlying these symptoms are unclear. METHODS We conducted a systematic review to appraise the literature on the activity and connectivity of the facial emotion processing neural circuitry in BD. Two reviewers undertook a search of the electronic databases PubMed, Scopus and PsycINFO, to identify relevant literature published since inception up until September 2019. Study eligibility criteria included; BD participants, neuroimaging, and facial emotion processing tasks. RESULTS Out of an initial yield of 6121 articles, 66 were eligible for inclusion in this review. We identified differences in neural activity and connectivity within and between occipitotemporal, limbic, and prefrontal regions, in response to facial affective stimuli, in BD compared to healthy controls. LIMITATIONS The methodologies used across studies varied considerably. CONCLUSIONS The findings from this review suggest abnormalities in both the activity and connectivity of facial emotion processing neural circuitry in BD. It is recommended that future research aims to further define the connectivity and spatiotemporal course of neural events within and between occipitotemporal, limbic, and prefrontal regions.
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Affiliation(s)
- Lisa S Furlong
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne and Melbourne Health, Melbourne, Australia
| | - Susan L Rossell
- Centre for Mental Health, Faculty of Health, Arts and Design, School of Health Sciences, Swinburne University, Melbourne, Australia; St Vincent's Mental Health, St Vincent's Hospital, VIC, Australia
| | - Georgia F Caruana
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne and Melbourne Health, Melbourne, Australia
| | - Vanessa L Cropley
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne and Melbourne Health, Melbourne, Australia; Centre for Mental Health, Faculty of Health, Arts and Design, School of Health Sciences, Swinburne University, Melbourne, Australia
| | - Matthew Hughes
- Centre for Mental Health, Faculty of Health, Arts and Design, School of Health Sciences, Swinburne University, Melbourne, Australia
| | - Tamsyn E Van Rheenen
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne and Melbourne Health, Melbourne, Australia; Centre for Mental Health, Faculty of Health, Arts and Design, School of Health Sciences, Swinburne University, Melbourne, Australia.
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13
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Tseng HH, Chang HH, Wei SY, Lu TH, Hsieh YT, Yang YK, Chen PS. Peripheral inflammation is associated with dysfunctional corticostriatal circuitry and executive dysfunction in bipolar disorder patients. Brain Behav Immun 2021; 91:695-702. [PMID: 32950621 DOI: 10.1016/j.bbi.2020.09.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 09/08/2020] [Accepted: 09/12/2020] [Indexed: 01/20/2023] Open
Abstract
Bipolar disorder (BD) has been linked to abnormal frontal and striatal function, and elevated inflammatory responses. However, the impact of peripheral inflammation on the corticostriatal functional connectivity (FC) remains obscure in BD. The current study aimed to explore the association between peripheral inflammation and corticostriatal connectivity in euthymic BD. We recruited 25 euthymic BD patients and 43 healthy controls (HCs) from the community. Resting state functional images were obtained using 3T magnetic resonance imaging (fMRI), and striatal seed-based whole-brain functional connectivity analyses were performed, with the fasting plasma high-sensitivity C-reactive protein (hs-CRP) level entered as a regressor of interest. The participants also completed the Wisconsin Card-Sorting Test (WCST) and the Continuous Performance Test (CPT). The euthymic BD group had a similar hs-CRP level to the HC group, but a significantly poorer cognitive performance. Compared with the HC group, a higher connectivity between the right dorsal caudal putamen (dcP) and the ventral lateral prefrontal cortex (vlPFC) in the BD group was significantly correlated with a higher hs-CRP level. Stronger dcP-vlPFC connectivity was correlated with a lower CPT unmasked d' in the BD group. BD patients might be particularly sensitive to the effects of inflammation on corticostriatal connectivity. The potentially greater sensitivity of BD patients to peripheral inflammation may differentially modulate the cognitive and reward related corticostriatal circuitry, which may contribute to the pathophysiology of cognitive-affective dysregulation in the euthymic state. Anti-inflammatory or other circuit-specific treatment is warranted for individualized treatment in BD.
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Affiliation(s)
- Huai-Hsuan Tseng
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Hui Hua Chang
- Institute of Clinical Pharmacy and Pharmaceutical Sciences, National Cheng Kung University, Tainan, Taiwan; School of Pharmacy, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Pharmacy, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Pharmacy, National Cheng Kung University Hospital, Dou-Liou Branch, Yunlin, Taiwan
| | - Shyh-Yuh Wei
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Tsung-Hua Lu
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Ting Hsieh
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Yen Kuang Yang
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Department of Psychiatry, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan
| | - Po See Chen
- Department of Psychiatry, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Institute of Behavioral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
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14
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Schenkel LS, Towne TL. Errors in identifying emotion in body postures and facial expressions among pediatric patients with bipolar disorder. J Clin Exp Neuropsychol 2020; 42:735-746. [DOI: 10.1080/13803395.2020.1799946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Lindsay S. Schenkel
- Department of Psychology, Rochester Institute of Technology, Rochester, NY, USA
| | - Terra L. Towne
- Department of Psychology, Rochester Institute of Technology, Rochester, NY, USA
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15
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Achalia R, Sinha A, Jacob A, Achalia G, Kaginalkar V, Venkatasubramanian G, Rao NP. A proof of concept machine learning analysis using multimodal neuroimaging and neurocognitive measures as predictive biomarker in bipolar disorder. Asian J Psychiatr 2020; 50:101984. [PMID: 32143176 DOI: 10.1016/j.ajp.2020.101984] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 02/18/2020] [Accepted: 02/24/2020] [Indexed: 01/10/2023]
Abstract
BACKGROUND Concomitant use of complementary, multimodal imaging measures and neurocognitive measures is reported to have higher accuracy as a biomarker in Alzheimer's dementia. However, such an approach has not been examined to differentiate healthy individuals from Bipolar disorder. In this study, we examined the utility of support vector machine (SVM) technique to differentiate bipolar disorder patients and healthy using structural, functional and diffusion tensor images of brain and neurocognitive measures. METHODS 30 patients with Bipolar disorder-I and 30 age, sex matched individuals participated in the study. Structural MRI, resting state functional MRI and diffusion tensor images were obtained using a 1.5 T scanner. All participants were administered neuropsychological tests to measure executive functions. SVM, a supervised machine learning technique was applied to differentiate patients and healthy individuals with k-fold cross validation over 10 trials. RESULTS The composite marker consisting of both neuroimaging and neuropsychological measures, had an accuracy of 87.60 %, sensitivity of 82.3 % and specificity of 92.7 %. The performance of composite marker was better compared to that of individual markers on classificatory. CONCLUSIONS We were able to achieve a high accuracy for machine learning technique in distinguishing BD from HV using a combination of multimodal neuroimaging and neurocognitive measures. Findings of this proof of concept study, if replicated in larger samples, could have potential clinical applications.
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Affiliation(s)
| | - Anannya Sinha
- National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Arpitha Jacob
- National Institute of Mental Health and Neurosciences, Bangalore, India
| | - Garimaa Achalia
- Achalia Neuropsychiatry Hospital, Aurangabad, Maharashtra, India
| | | | | | - Naren P Rao
- National Institute of Mental Health and Neurosciences, Bangalore, India.
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16
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Li X, Zhuo C, Guo H, Du J, Wang H, Wang J, Li J, Zhao W, Li Y, Sun C, Zhang J, Yang Q, Xu Y. Mechanism differences between typical yin and typical yang personality individuals assessed by Five-Pattern Personality Inventory (FPPI): Evidence from resting-state brain functional networks. Neurosci Lett 2020; 718:134745. [PMID: 31923521 DOI: 10.1016/j.neulet.2020.134745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/27/2019] [Accepted: 01/06/2020] [Indexed: 01/25/2023]
Abstract
BACKGROUND Most studies assessing brain-personality mechanisms have used Western personality questionnaires. However, Western personality questionnaires may not objectively reflect the personality characteristics of individuals in Eastern cultures such as China. Hence, we adopted the functional magnetic resonance imaging (fMRI) and the Chinese localized scale, FPPI, to explore the brain mechanisms differences of typical yin and typical yang personalities of individuals in China. METHODS 30 typical yin personality participants (TYI) and 34 typical yang personality participants (TYA) were enrolled according to the FPPI. The group differences of the functional brain networks among 90 specific brain regions were mapped using fMRI data and then analyzed by the conventional network metrics (CNM) and frequency subgraph mining (FSM). RESULTS The CNM and FSM differences between two typical personality groups were traced to the frontal, temporal, and parietal cortices. The yin group, reflecting the rich emotions and feelings of individuals, showed higher betweenness centrality (BCi) and nodal efficiency (Ei) values in putamen and middle frontal gyrus. The yang group, reflecting active behaviors and tendency to adapting to the changing surroundings, showed higher BCi and Ei values in precuneus, posterior cingulate gyrus, and inferior parietal lobule, brain areas in the default mode network (DMN). CONCLUSION These results supplied evidence for the neurobiological differences between typical yin and typical yang personality participants based on Chinese culture. These results also provide a new perspective to help researchers understand brain mechanism differences between yin and yang personality groups in the Chinese culture.
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Affiliation(s)
- Xiaozhen Li
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China
| | - Chuanjun Zhuo
- Department of Psychiatry and Morbidity, Tianjin Anding Hospital, Tianjin Medical University, Tianjin, China; Department of Psychiatry, Tianjin Medical University, Tianjin, China
| | - Hao Guo
- College of Information and Computer, Taiyuan University of Technology, Taiyuan, China
| | - Jian Du
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hao Wang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Junjie Wang
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China
| | - Jing Li
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China
| | - Wentao Zhao
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China
| | - Yao Li
- College of Information and Computer, Taiyuan University of Technology, Taiyuan, China
| | - Chao Sun
- College of Information and Computer, Taiyuan University of Technology, Taiyuan, China
| | - Jingfang Zhang
- Department of Humanities and Social Science, Shanxi Medical University, Taiyuan, China
| | - Qiuli Yang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Yong Xu
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China; Department of Humanities and Social Science, Shanxi Medical University, Taiyuan, China.
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17
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Interaction of emotion and cognitive control along the psychosis continuum: A critical review. Int J Psychophysiol 2020; 147:156-175. [DOI: 10.1016/j.ijpsycho.2019.11.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 10/29/2019] [Accepted: 11/05/2019] [Indexed: 12/11/2022]
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18
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Lai S, Zhong S, Shan Y, Wang Y, Chen G, Luo X, Chen F, Zhang Y, Shen S, Huang H, Ning Y, Jia Y. Altered biochemical metabolism and its lateralization in the cortico-striato-cerebellar circuit of unmedicated bipolar II depression. J Affect Disord 2019; 259:82-90. [PMID: 31442883 DOI: 10.1016/j.jad.2019.07.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 05/30/2019] [Accepted: 07/04/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVES Evidence of the relationship between neurometabolic changes in the cortico-striato-cerebellar (CSC) circuit and bipolar disorder (BD) is still limited. To elucidate the pathogenesis of BD, we investigated the underlying neurometabolic changes and their effect on CSC lateralization circuits in unmedicated patients with bipolar II depression. METHODS Forty unmedicated participants with bipolar II depression and forty healthy controls underwent proton magnetic resonance spectroscopy (1H-MRS). We obtained bilateral metabolic ratios of N-acetylaspartate (NAA)/creatine (Cr) and choline (Cho)/Cr in the prefrontal white matter (PWM), anterior cingulate cortex (ACC), basal ganglia (BG) and the cerebellum. Metabolic ratios were characterized using a laterality index (LI) for left-right asymmetry. RESULTS Overall, aberrant lateralization in the CSC circuit was characteristic in patients with bipolar II depression. Patients with bipolar II depression showed significantly lower NAA/Cr ratios in the left PWM, right ACC, left BG and left cerebellum when compared with the healthy controls. For bipolar II depression, we found lower NAA/Cr LI in the PWM, BG, and cerebellum, higher NAA/Cr LI in the ACC, and higher Cho/Cr LI in the BG and cerebellum when compared to the standard value (1.0). For healthy controls, we found lower NAA/Cr LI only in the BG and higher Cho/Cr LI in the cerebellum when compared to 1.0. LIMITATIONS As a cross-sectional study with a small sample size, progressive changes and complex metabolic interactions with treatment were not observed. CONCLUSIONS Our findings suggest that abnormal biochemical metabolism with aberrant lateralization in the CSC circuit may be an underlying pathophysiology of bipolar II depression.
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Affiliation(s)
- Shunkai Lai
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Shuming Zhong
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Yanyan Shan
- School of Management, Jinan University, Guangzhou 510316, China
| | - Ying Wang
- Medical Imaging Center, First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Guanmao Chen
- Medical Imaging Center, First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Xiaomei Luo
- Medical Imaging Center, First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Feng Chen
- Medical Imaging Center, First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Yiliang Zhang
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou 510630, China
| | - Shiyi Shen
- School of Management, Jinan University, Guangzhou 510316, China
| | - Hui Huang
- School of Management, Jinan University, Guangzhou 510316, China
| | - Yuping Ning
- The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou Huiai Hospital, Guangzhou 510370, China
| | - Yanbin Jia
- Department of Psychiatry, First Affiliated Hospital of Jinan University, Guangzhou 510630, China.
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Zhang B, Jia Y, Wang C, Shao X, Wang W. Visual event-related potentials in external emotional conditions in bipolar disorders I and II. Neurophysiol Clin 2019; 49:359-369. [PMID: 31718912 DOI: 10.1016/j.neucli.2019.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 09/24/2019] [Accepted: 09/24/2019] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVES Mutual influences of cognitive and emotional functions occur in bipolar disorder, but specific alterations in relation to external emotional stimuli in bipolar I (BD I) and II (BD II) subtypes remain unknown. This study aimed to explore the effects of external emotional stimuli on cerebral attentional function in BD I and BD II. METHODS We tested visual oddball event-related potentials (ERPs) during various external emotional stimuli (Disgust, Fear, Erotica, Happiness, Neutral and Sadness) in 31 patients with BD I, 19 BD II and 47 healthy volunteers. Participants' concurrent affective states were also evaluated. RESULTS The ERP N2 latencies during Fear and Happiness were prolonged, P3 amplitudes during Disgust and Erotica were decreased in BD I; P3 amplitudes during Disgust, Erotica, Happiness and Neutral conditions were decreased in BD II. Increased frontal and parietal and decreased temporal and occipital activations were found in BD I, while increased occipital and parietal and decreased frontal and limbic activations in BD II in relation to different external emotions. ERP components were not correlated with concurrent affective states in patients. CONCLUSIONS Automatic attention during Happiness and Fear, and voluntary attention during Disgust and Erotica conditions were impaired in BD I; and voluntary attention during Disgust, Happiness, Erotica and Neutral conditions was impaired in BD II. Our study illustrates different patterns of visual attentional deficits associated with different external emotional stimuli in BD I and BD II.
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Affiliation(s)
- Bingren Zhang
- Department of Clinical Psychology and Psychiatry, School of Public Health, Zhejiang University College of Medicine, Hangzhou, China
| | - Yanli Jia
- Department of Clinical Psychology and Psychiatry, School of Public Health, Zhejiang University College of Medicine, Hangzhou, China
| | - Chu Wang
- Department of Clinical Psychology and Psychiatry, School of Public Health, Zhejiang University College of Medicine, Hangzhou, China
| | - Xu Shao
- Department of Clinical Psychology and Psychiatry, School of Public Health, Zhejiang University College of Medicine, Hangzhou, China
| | - Wei Wang
- Department of Clinical Psychology and Psychiatry, School of Public Health, Zhejiang University College of Medicine, Hangzhou, China.
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Berchio C, Küng AL, Kumar S, Cordera P, Dayer AG, Aubry JM, Michel CM, Piguet C. Eye-gaze processing in the broader bipolar phenotype revealed by electrical neuroimaging. Psychiatry Res Neuroimaging 2019; 291:42-51. [PMID: 31398614 DOI: 10.1016/j.pscychresns.2019.07.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 07/27/2019] [Accepted: 07/29/2019] [Indexed: 12/11/2022]
Abstract
Previous studies have documented atypical brain responses to faces in individuals with bipolar disorder (BD) and in their relatives. In view of previous findings of atypical face processing in youths at risk for BD, the aim of this study was to examine whether BD patients and offspring would show differential activation in networks of the social brain when processing eye-gaze. Data from 18 euthymic BD patients and 18 offspring, as well as 36 age-matched healthy controls, were collected using a delayed face-matching paradigm, event related potentials and electrical neuroimaging methods. The P200 component, which is implicated in facial cues decoding, differentiated the BD groups from their age-matched controls. P200 source reconstruction indicates impairments conveyed by eye-contact in a network involved in experiencing others' social intentions in BD patients (supplementary motor cortex, precentral gyrus, inferior parietal lobe), and the engagement of compensatory prefrontal mechanisms for modulating these functions in BD offspring. When viewing faces that had an averted gaze, BD patients and offspring showed a hypo-activation, compared to controls, particularly in regions involved in experiencing others' feelings (post-central gyrus in BD patients / ventral premotor cortex in offspring). Therefore, the neural mechanism for decoding shifts in eye-gaze may be a familial characteristic of BD.
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Affiliation(s)
- Cristina Berchio
- Department of Basic Neurosciences, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, Mood disorders unit University Hospitals of Geneva, Switzerland.
| | - Anne-Lise Küng
- Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, Mood disorders unit University Hospitals of Geneva, Switzerland
| | - Samika Kumar
- Department of Psychology, University of California, Berkeley, CA, USA
| | - Paolo Cordera
- Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, Mood disorders unit University Hospitals of Geneva, Switzerland
| | - Alexandre G Dayer
- Department of Basic Neurosciences, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, Mood disorders unit University Hospitals of Geneva, Switzerland; Department of Psychiatry, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Jean-Michel Aubry
- Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, Mood disorders unit University Hospitals of Geneva, Switzerland; Department of Psychiatry, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Christoph M Michel
- Department of Basic Neurosciences, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Biomedical Imaging Center (CIBM) Lausanne, Geneva, Switzerland
| | - Camille Piguet
- Department of Basic Neurosciences, Faculty of Medicine, University of Geneva, Geneva, Switzerland; Department of Mental Health and Psychiatry, Service of Psychiatric Specialties, Mood disorders unit University Hospitals of Geneva, Switzerland
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21
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Simonetti A, Lijffijt M, Kahlon RS, Gandy K, Arvind RP, Amin P, Arciniegas DB, Swann AC, Soares JC, Saxena K. Early and late cortical reactivity to passively viewed emotional faces in pediatric bipolar disorder. J Affect Disord 2019; 253:240-247. [PMID: 31060010 DOI: 10.1016/j.jad.2019.04.076] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/30/2019] [Accepted: 04/17/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND We studied emotional information processing in youth with pediatric bipolar disorder (pBD) using the late positive potential (LPP), assessing automatic allocation of attentional resources to emotionally salient stimuli, and the occipital P1, assessing early sensory processing. METHODS Participants were 20 youth with pBD and 26 healthy controls (HC). Participants passively viewed faces with a fearful, neutral or happy expressions. Group differences were tested with general linear models. P1 was included to examine modulating effects on LPP. We calculated Bayes factor (BF) values to express strength of evidence for choosing one hypothesis over another. RESULTS A significant emotion by group interaction for LPP amplitude was associated with a larger amplitude for happy faces for pBD than HC (F[1,40] = 6.04, p = .018); this was not modulated by P1 amplitude or latency. P1 amplitude did not differ between groups, although P1 peaked earlier for HC (F[1,40] = 5.45, p = .025). BF for LPP was 2.93, suggesting moderate evidence favoring H1. BF for P1 latency of 14.58 suggests strong evidence favoring H1. LIMITATIONS Inclusion of children and adolescents prohibited careful control for neurodevelopmental effects. CONCLUSIONS Larger LPP amplitude for happy faces without change in P1 suggests enhanced automatic allocation of attentional resources to positive information in pBD. Delayed P1 latency in pBD suggests slower early processing of emotional information.
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Affiliation(s)
- Alessio Simonetti
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Department of Neurology and Psychiatry, Sapienza University of Rome, Italy; Centro Lucio Bini, Rome, Italy.
| | - Marijn Lijffijt
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Mental Health Care Line, Michael E. DeBakey VA Medical Center, Houston, TX, USA
| | - Ramandeep S Kahlon
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Department of Psychiatry, Texas Children's Hospital, Houston, TX, USA
| | - Kellen Gandy
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Department of Psychiatry, Texas Children's Hospital, Houston, TX, USA
| | - Ruchir P Arvind
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX, USA
| | - Pooja Amin
- Center for Leading Edge Addiction Research (CLEAR), Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA, USA
| | - David B Arciniegas
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Behavioral Neurology Section, Department of Neurology, University of Colorado School of Medicine, Aurora, CO, USA; Marcus Institute for Brain Health, University of Colorado School of Medicine, Aurora, CO, USA
| | - Alan C Swann
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Mental Health Care Line, Michael E. DeBakey VA Medical Center, Houston, TX, USA
| | - Jair C Soares
- Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center, Houston, TX, USA
| | - Kirti Saxena
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA; Department of Psychiatry, Texas Children's Hospital, Houston, TX, USA
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22
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Kryza-Lacombe M, Brotman MA, Reynolds RC, Towbin K, Pine DS, Leibenluft E, Wiggins JL. Neural mechanisms of face emotion processing in youths and adults with bipolar disorder. Bipolar Disord 2019; 21:309-320. [PMID: 30851221 PMCID: PMC6597279 DOI: 10.1111/bdi.12768] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Little is known about potential differences in the pathophysiology of bipolar disorder (BD) across development. The present study aimed to characterize age-related neural mechanisms of BD. METHODS Youths and adults with and without BD (N = 108, age range = 9.8-55.9 years) completed an emotional face labeling task during fMRI acquisition. We leveraged three different fMRI analytic tools to identify age-related neural mechanisms of BD, investigating (a) change in neural responses over the course of the task, (b) neural activation averaged across the entire task, and (c) amygdala functional connectivity. RESULTS We found converging Age Group × Diagnosis patterns across all three analytic methods. Compared to healthy youths vs adults, youths vs adults with BD show an altered pattern in response to repeated presentation of emotional faces in medial prefrontal, amygdala, and temporoparietal regions, as well as amygdala-temporoparietal connectivity. Specifically, medial prefrontal and lingual activation decreases over the course of repeated emotional face presentations in healthy youths vs adults but increases in youths with BD compared to adults with BD. Moreover, youths vs adults with BD show less medial prefrontal activation and amygdala-temporoparietal junction connectivity averaged over the task, but this difference is not found for healthy youths vs adults. CONCLUSION Although longitudinal confirmation and replication will be necessary, these findings suggest that neural development may be aberrant in BD and that some neural mechanisms mediating BD may differ in adults vs children with the illness.
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Affiliation(s)
- Maria Kryza-Lacombe
- San Diego State University/University of California, San
Diego Joint Doctoral Program in Clinical Psychology
| | - Melissa A. Brotman
- Emotion Development Branch, National Institute of Mental
Health, National Institutes of Health
| | - Richard C. Reynolds
- Scientific and Statistical Computing Core, National
Institute of Mental Health, National Institutes of Health
| | - Kenneth Towbin
- Emotion Development Branch, National Institute of Mental
Health, National Institutes of Health
| | - Daniel S. Pine
- Emotion Development Branch, National Institute of Mental
Health, National Institutes of Health
| | - Ellen Leibenluft
- Emotion Development Branch, National Institute of Mental
Health, National Institutes of Health
| | - Jillian Lee Wiggins
- San Diego State University/University of California, San
Diego Joint Doctoral Program in Clinical Psychology,Department of Psychology, San Diego State University
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23
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Lee MS, Anumagalla P, Talluri P, Pavuluri MN. Attentional engagement increases inferior frontal gyrus activity and mutes limbic activity in pediatric bipolar disorder: Meta-analyses of fMRI studies. Prog Neuropsychopharmacol Biol Psychiatry 2019; 91:14-19. [PMID: 29782956 DOI: 10.1016/j.pnpbp.2018.05.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 04/25/2018] [Accepted: 05/16/2018] [Indexed: 12/01/2022]
Abstract
OBJECTIVES Attention deficit has been shown to exist in adult and pediatric bipolar disorder across the life span. Given that emotion dysregulation is central to bipolar disorder, this study hypothesizes that emotional circuitry regions are altered along with anomalies in the attentional systems during cognitive deployment in bipolar disorder. METHODS An activation likelihood estimation meta-analysis of attentional activities using GingerALE software was completed for adult and pediatric bipolar disorder populations in all published studies till December 2017. The meta-analysis of all fMRI studies included a total of ten pediatric studies (comprised of pediatric bipolar disorder (PBD) and typically developing (TD) groups) and nine adult patient studies (comprised of adult bipolar disorder (ABD) and healthy control (HC) groups). RESULTS While engaged in attentional tasks, increased activation was seen in inferior frontal gyrus with decreased activation in limbic regions in subjects with PBD, relative to TD. Differential patterns of underactivity were also noted in the dorsal attentional system i.e., frontostriatal circuit (dorsolateral prefrontal cortex, anterior cingulate cortex, right lentiform nucleus and right globus pallidus) in PBD patients relative to the TD. However, we did not see any significant differences between the adult groups i.e., ABD vs. HC. CONCLUSIONS In PBD, deploying attentional system potentially improves the fronto-limbic affective circuitry function, despite impaired dorsal attentional system i.e., fronto-striatal circuitry. In contrast, these neural correlates underlying attentional engagement appeared to be not significant in adult BD. LIMITATIONS We examined the PBD vs. TD and the ABD vs. HC separately instead of four-way contrast (dual meta-analytic study). Also, attentional tasks were not unidimensional and tend to capture selective and sustained attention along with response inhibition, thereby recruiting multiple brain circuits.
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Affiliation(s)
- Moon-Soo Lee
- Pediatric Mood Disorders Program, University of Illinois at Chicago, USA; Divison of Child and Adolescent Psychiatry, Department of Psychiatry, College of Medicine, Korea University, Seoul, Republic of Korea
| | - Purnima Anumagalla
- Pediatric Mood Disorders Program, University of Illinois at Chicago, USA
| | - Prasanth Talluri
- Pediatric Mood Disorders Program, University of Illinois at Chicago, USA
| | - Mani N Pavuluri
- Pediatric Mood Disorders Program, University of Illinois at Chicago, USA; Brain and Wellness Institute, Chicago, USA.
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24
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Cazala F, Bauer IE, Meyer TD, Spiker DE, Kazimi IF, Zeni CP, Zunta-Soares GB, Soares JC. Correlates of childhood trauma in children and adolescents with bipolar disorder spectrum: A preliminary study. J Affect Disord 2019; 247:114-119. [PMID: 30660020 DOI: 10.1016/j.jad.2018.12.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 11/09/2018] [Accepted: 12/08/2018] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Histories of childhood trauma (CT) are risk factors for affect dysregulation and poor clinical outcomes in women with bipolar disorder (BD). While much is known about the link between BD and CT in adult patients, there is limited data on this research topic in pediatric BD (PBD). The present study aims to investigate the impact of CT on irritability, aggressive and suicidal behaviors in PBD patients across gender types. METHODS From 2013 to 2015, 59 PBD patients Aged 6-17 (30 female) were administered the Childhood Trauma Questionnaire (CTQ) along with scales assessing irritability (Affective Reactivity Index), aggression (Modified Overt Aggression Scale) and suicidal thoughts and behaviors (Columbia-Suicide Severity Rating Scale). We examined the severity of these behaviors across types of CT and gender using univariate regression analyses. Findings were adjusted for age, number of traumas, and CTQ denial score. RESULTS In PBD patients, analyses showed that the effect of physical abuse depended on gender, whereby females were more likely than males to engage in suicidal thoughts and behaviors (p < 0.05). Male gender and CT were strong determinants of irritability (p < 0.05). Violence against property and people was found to be reduced in females, and increased in males with a history of emotional and sexual abuse, respectively (p < 0.05). CONCLUSION These preliminary findings highlight the significant impact of CT in PBD and suggest that gender may predict the risk for dysfunctional behaviors in PBD patients with CT. Future large scale, longitudinal, investigations focusing on fear processing and extinction may provide a deeper understanding of these gender differences, and their role in the course of BD.
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Affiliation(s)
- Fadwa Cazala
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA.
| | - Isabelle E Bauer
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA
| | - Thomas D Meyer
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA
| | - Danielle E Spiker
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA
| | - Iram F Kazimi
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA
| | - Cristian P Zeni
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA
| | - Giovanna B Zunta-Soares
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA
| | - Jair C Soares
- Department of Psychiatry and Behavioral Science, University of Texas Health Science Center, 1941 East Rd, Houston 77054, TX, USA
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25
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Gee DG, Bath KG, Johnson CM, Meyer HC, Murty VP, van den Bos W, Hartley CA. Neurocognitive Development of Motivated Behavior: Dynamic Changes across Childhood and Adolescence. J Neurosci 2018; 38:9433-9445. [PMID: 30381435 PMCID: PMC6209847 DOI: 10.1523/jneurosci.1674-18.2018] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 09/23/2018] [Accepted: 09/24/2018] [Indexed: 12/12/2022] Open
Abstract
The ability to anticipate and respond appropriately to the challenges and opportunities present in our environments is critical for adaptive behavior. Recent methodological innovations have led to substantial advances in our understanding of the neurocircuitry supporting such motivated behavior in adulthood. However, the neural circuits and cognitive processes that enable threat- and reward-motivated behavior undergo substantive changes over the course of development, and these changes are less well understood. In this article, we highlight recent research in human and animal models demonstrating how developmental changes in prefrontal-subcortical neural circuits give rise to corresponding changes in the processing of threats and rewards from infancy to adulthood. We discuss how these developmental trajectories are altered by experiential factors, such as early-life stress, and highlight the relevance of this research for understanding the developmental onset and treatment of psychiatric disorders characterized by dysregulation of motivated behavior.
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Affiliation(s)
- Dylan G Gee
- Department of Psychology, Yale University, New Haven, CT 06520,
| | - Kevin G Bath
- Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, Providence, RI 02912
| | - Carolyn M Johnson
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138
| | - Heidi C Meyer
- Department of Psychiatry, Weill Cornell Medicine, New York, NY 10065
| | - Vishnu P Murty
- Department of Psychology, Temple University, Philadelphia, PA 19122
| | - Wouter van den Bos
- Department of Developmental Psychology, University of Amsterdam, Amsterdam, Netherlands, and
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26
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Cazala F, Suchting R, Zeni CP, Bauer IE, Mwangi B, Wu MJ, Passos IC, Spiker DE, Zunta-Soares GB, Soares JC. Effects of valproate on brain volumes in pediatric bipolar disorder: A preliminary study. Psychiatry Res Neuroimaging 2018; 278:65-68. [PMID: 29907438 DOI: 10.1016/j.pscychresns.2018.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 04/30/2018] [Accepted: 05/11/2018] [Indexed: 10/14/2022]
Abstract
Sodium valproate (VPA) has well-established neuroprotective effects and is recommended as treatment in bipolar disorder patients. The neural effects of VPA in pediatric bipolar disorder (PBD) have yet to be established. This preliminary study explored the effects of VPA on brain structure in PBD. Fourteen PBD patients (10 males; mean = 13.43 ± 3.05 years old) underwent a structural MRI before and after a 6-week VPA treatment period. Bayesian linear mixed modeling explored seven brain region volumes as a function of dichotomous pre/post time. Results showed a decrease in amygdala volume over time. These findings need to be confirmed by large-scale, longitudinal studies.
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Affiliation(s)
- Fadwa Cazala
- School of Medicine, The University of Texas Health Science Center at Houston, USA.
| | - Robert Suchting
- School of Medicine, The University of Texas Health Science Center at Houston, USA
| | - Cristian P Zeni
- School of Medicine, The University of Texas Health Science Center at Houston, USA
| | - Isabelle E Bauer
- School of Medicine, The University of Texas Health Science Center at Houston, USA
| | - Benson Mwangi
- School of Medicine, The University of Texas Health Science Center at Houston, USA
| | - Mon-Ju Wu
- School of Medicine, The University of Texas Health Science Center at Houston, USA
| | - Ives Cavalcante Passos
- Department of Psychiatry, Laboratory of Molecular Psychiatry, Universidade Federal do Rio Grande do Sul (UFRGS), Brazil
| | - Danielle E Spiker
- School of Medicine, The University of Texas Health Science Center at Houston, USA
| | | | - Jair C Soares
- School of Medicine, The University of Texas Health Science Center at Houston, USA
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27
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Yep R, Soncin S, Brien DC, Coe BC, Marin A, Munoz DP. Using an emotional saccade task to characterize executive functioning and emotion processing in attention-deficit hyperactivity disorder and bipolar disorder. Brain Cogn 2018; 124:1-13. [PMID: 29698907 DOI: 10.1016/j.bandc.2018.04.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 04/11/2018] [Accepted: 04/15/2018] [Indexed: 01/02/2023]
Abstract
Despite distinct diagnostic criteria, attention-deficit hyperactivity disorder (ADHD) and bipolar disorder (BD) share cognitive and emotion processing deficits that complicate diagnoses. The goal of this study was to use an emotional saccade task to characterize executive functioning and emotion processing in adult ADHD and BD. Participants (21 control, 20 ADHD, 20 BD) performed an interleaved pro/antisaccade task (look toward vs. look away from a visual target, respectively) in which the sex of emotional face stimuli acted as the cue to perform either the pro- or antisaccade. Both patient groups made more direction (erroneous prosaccades on antisaccade trials) and anticipatory (saccades made before cue processing) errors than controls. Controls exhibited lower microsaccade rates preceding correct anti- vs. prosaccade initiation, but this task-related modulation was absent in both patient groups. Regarding emotion processing, the ADHD group performed worse than controls on neutral face trials, while the BD group performed worse than controls on trials presenting faces of all valence. These findings support the role of fronto-striatal circuitry in mediating response inhibition deficits in both ADHD and BD, and suggest that such deficits are exacerbated in BD during emotion processing, presumably via dysregulated limbic system circuitry involving the anterior cingulate and orbitofrontal cortex.
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Affiliation(s)
- Rachel Yep
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada.
| | - Stephen Soncin
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Donald C Brien
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Brian C Coe
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada
| | - Alina Marin
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada; Department of Psychiatry, Hotel Dieu Hospital, Kingston, ON, Canada
| | - Douglas P Munoz
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada; Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada.
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28
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Pediatric Bipolar Disorder: A Case Presentation and Discussion. J Pediatr Health Care 2018; 32:201-206. [PMID: 29126592 DOI: 10.1016/j.pedhc.2017.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 09/03/2017] [Accepted: 09/07/2017] [Indexed: 11/21/2022]
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29
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Tu PC, Kuan YH, Li CT, Su TP. Structural correlates of creative thinking in patients with bipolar disorder and healthy controls-a voxel-based morphometry study. J Affect Disord 2017; 215:218-224. [PMID: 28340448 DOI: 10.1016/j.jad.2017.03.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 01/26/2017] [Accepted: 03/10/2017] [Indexed: 01/26/2023]
Abstract
BACKGROUND This study investigated the structural correlates of creative thinking in patients with bipolar disorder (BD) to understand the possible neural mechanism of creative thinking in BD. METHODS We recruited 59 patients with BD I or BD II (35.3±8.5 y) and 56 age- and sex-matched controls (HCs; 34±7.4 y). Each participant underwent structural magnetic resonance imaging and evaluation of creative thinking, which was assessed using two validated tools: the Chinese version of the Abbreviated Torrance Test for Adults for divergent thinking and the Chinese Word Remote Associates Test for remote association. Voxel-based morphometry was performed using SPM12. RESULTS In patients with BD, divergent thinking positively correlated with the gray matter volume (GMV) in right medial frontal gyrus (Brodmann area [BA] 9), and remote association positively correlated with the GMV in the medial prefrontal gyrus (BA 10). In the HCs, divergent thinking negatively correlated with the GMV in left superior frontal gyrus (BA 8) and positively correlated with the GMV in the precuneus and occipital regions, and remote association positively correlated with the GMV in the hippocampus. LIMITATIONS Patients with BD were receiving various dosages of antipsychotics, antidepressants and mood stabilizer. These medications may confound the GMV-creative thinking relationship in patients with BD. CONCLUSIONS Our findings indicate that medial prefrontal cortex plays a major and positive role in creative thinking in patients with BD. By contrary, creative thinking involves more diverse structures, and the prefrontal cortex may have an opposite effect in HCs.
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Affiliation(s)
- Pei-Chi Tu
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112, Taiwan; Department of Psychiatry, Taipei Veterans General Hospital, Taipei 112, Taiwan; Institute of Philosophy of Mind and Cognition, National Yang-Ming University, Taipei, Taiwan; Department of Psychiatry, Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yi-Hsuan Kuan
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan
| | - Cheng-Ta Li
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei 112, Taiwan; Department of Psychiatry, Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan; Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan
| | - Tung-Ping Su
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei 112, Taiwan; Department of Psychiatry, Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan; Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan.
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30
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A comparison of neurometabolites between remitted bipolar disorder and depressed bipolar disorder: A proton magnetic resonance spectroscopy study. J Affect Disord 2017; 211:153-161. [PMID: 28126615 DOI: 10.1016/j.jad.2017.01.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 12/07/2016] [Accepted: 01/03/2017] [Indexed: 01/06/2023]
Abstract
BACKGROUND Recent many studies found the abnormal neurometabolites in the acute bipolar disorder (BD). However, limited studies were to detect neurometabolites in remitted BD, comparison between acute and remitted BD is conductive to understand the outcome of neurometabolites. This study sought to investigate the differences in neurometabolites between remitted and depressed BD patients using proton magnetic resonance spectroscopy (1H-MRS). METHODS Three subject groups were enrolled: 22 remitted BD patients, 22 depressed BD patients and 24 healthy controls. All subjects underwent 1H-MRS to measure N-acetylaspartate (NAA), Choline (Cho), myo-Inositol (mI) and Creatine (Cr) of several bilateral areas potentially involved in BD: prefrontal whiter matter (PWM), thalamus and putamen. The neurometabolite ratios were compared among three groups. The correlations between abnormal neurometabolite ratios and clinical data were computed. RESULTS The lower bilateral PWM NAA/Cr ratios were found in depressed BD patients than remitted BD patients and healthy controls, no differences were found between the remitted BD patients and controls. For depressed BD patients, left PWM NAA/Cr ratios showed negative correlation with age of onset, right PWM NAA/Cr ratios showed positive correlation with duration of illness. CONCLUSIONS Our findings suggest the abnormal neurometabolites in the prefrontal lobe whiter may occur in the depressed BD. The remitted BD may resemble healthy subjects in terms of neurometabolites. In addition, abnormal neurometabolites in prefrontal lobe whiter may correlate with the age of onset and illness length.
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31
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Tseng WL, Thomas LA, Harkins E, Stoddard J, Zarate CA, Pine DS, Leibenluft E, Brotman MA. Functional connectivity during masked and unmasked face emotion processing in bipolar disorder. Psychiatry Res 2016; 258:1-9. [PMID: 27814457 PMCID: PMC5135603 DOI: 10.1016/j.pscychresns.2016.10.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 09/22/2016] [Accepted: 10/21/2016] [Indexed: 12/19/2022]
Abstract
Little is known regarding the neural connectivity and correlates during automatic, unconscious face emotion processing in individuals with bipolar disorder (BD). In this study, 14 adults with BD and 14 healthy volunteers (HV) underwent fMRI scanning while completing an affective priming task with unconsciously perceived and consciously perceived faces (angry, happy, neutral, blank oval). We found that, regardless of awareness level and emotion types, BD patients exhibited diminished functional connectivity between amygdala and ventromedial prefrontal cortex (vmPFC) compared to HV. This connectivity finding is present in the absence of activation differences in amygdala. In addition, in medial frontal gyrus, BD patients displayed greater activation while HV displayed less activation to angry and neutral faces compared to blank ovals. These results suggest that aberrant amygdala-vmPFC connectivity and neural dysfunction in areas implicated in appraisal and expression of emotions (medial frontal gyrus) may be the pathophysiological correlates of emotional processing in BD regardless of awareness level.
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Affiliation(s)
- Wan-Ling Tseng
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA.
| | - Laura A Thomas
- War Related Illness and Injury Study Center, Veterans Affairs Medical Center, Washington, DC, USA
| | - Elizabeth Harkins
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
| | - Joel Stoddard
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
| | - Carlos A Zarate
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
| | - Daniel S Pine
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
| | - Ellen Leibenluft
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
| | - Melissa A Brotman
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
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Filkowski MM, Haas BW. Rethinking the Use of Neutral Faces as a Baseline in fMRI Neuroimaging Studies of Axis-I Psychiatric Disorders. J Neuroimaging 2016; 27:281-291. [PMID: 27805291 DOI: 10.1111/jon.12403] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 09/30/2016] [Indexed: 11/29/2022] Open
Abstract
Major Axis-I disorders including major depressive disorder (MDD), bipolar disorder (BD), anxiety disorder, and schizophrenia are associated with a host of aberrations in the way social stimuli are processed. Face perception tasks are often used in neuroimaging research of emotion processing in both healthy and patient populations, and to date, there exists a mounting body of evidence, both behavioral and within the brain, indicating that emotional faces compared to neutral faces are processed abnormally by those with Axis-I disorders relative to healthy control (HC) groups. The use of neutral faces as a "baseline control condition" is predicated on the assumption that neutral faces are processed in the same way HCs and individuals with major Axis-I disorders. In this paper, existing fMRI studies examining the way neutral faces are processed in groups with Axis-I disorders involving socioaffective perception are reviewed. In reviewing available studies, a consistent pattern of results demonstrated that these disorders are associated with abnormal frontolimbic activity in response to neutral faces and in particular within the amygdala and prefrontal regions such as the dorsolateral prefrontal cortex (DLPFC) and anterior cingulate cortex (ACC) compared to HC groups. Specifically, increased amygdala activation was consistently reported in response to neutral faces in anxiety disorders and schizophrenia. Abnormal medial PFC activity was reported in patients with MDD, and patients with BD exhibit decreased activity in the DLPFC and ACC relative to HCs. In addition, specific suggestions to overcome these obstacles with new research and additional analyses are discussed.
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Affiliation(s)
- Megan M Filkowski
- Behavioral and Brain Sciences Program, Department of Psychology, University of Georgia, 125 Baldwin Street, Athens, GA
| | - Brian W Haas
- Behavioral and Brain Sciences Program, Department of Psychology, University of Georgia, 125 Baldwin Street, Athens, GA
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Reversal-learning deficits in childhood-onset bipolar disorder across the transition from childhood to young adulthood. J Affect Disord 2016; 203:46-54. [PMID: 27280962 PMCID: PMC4975956 DOI: 10.1016/j.jad.2016.05.046] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 04/25/2016] [Accepted: 05/22/2016] [Indexed: 12/21/2022]
Abstract
BACKGROUND Bipolar disorder (BD) is a severe mental illness that can have high costs for youths (<18 years old) and adults. Relative to healthy controls (HC), individuals with BD often show impaired attention, working memory, executive function, and cognitive flexibility (the ability to adapt to changing reward/punishment contingencies). In our study of youths and young adults with BD, we investigated 1) how cognitive flexibility varies developmentally in BD, and 2) whether it is independent of other executive function deficits associated with BD. METHODS We measured errors on a reversal-learning task, as well as spatial working memory and other executive function, among participants with BD (N=75) and HC (N=130), 7-27 years old. Regression analyses focused on the effects of diagnosis on reversal-learning errors, controlling for age, gender, IQ, spatial span, and executive function. Similar analyses examined non-reversal errors to rule out general task impairment. RESULTS Participants with BD, regardless of age, gender, or cognitive ability, showed more errors than HC on the response reversal stages of the cognitive flexibility task. However, participants with BD did not show more errors on non-reversal stages, even when controlling for other variables. LIMITATIONS Study limitations include the cross-sectional, rather than longitudinal, design; inability to measure non-linear age effects; and inclusion of medicated participants and those with psychiatric comorbidity. CONCLUSIONS Individuals with BD show a specific impairment in reversing a previously rewarded response, which persists across the transition from childhood to young adulthood. Tailored interventions targeting this deficit may be effective throughout this developmentally turbulent time.
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Neural Modulation in Aversive Emotion Processing: An Independent Component Analysis Study. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2016; 2016:2816567. [PMID: 27579051 PMCID: PMC4992784 DOI: 10.1155/2016/2816567] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 07/14/2016] [Indexed: 01/20/2023]
Abstract
Emotional processing has an important role in social interaction. We report the findings about the Independent Component Analysis carried out on a fMRI set obtained with a paradigm of face emotional processing. The results showed that an independent component, mainly cerebellar-medial-frontal, had a positive modulation associated with fear processing. Also, another independent component, mainly parahippocampal-prefrontal, showed a negative modulation that could be associated with implicit reappraisal of emotional stimuli. Independent Component Analysis could serve as a method to understand complex cognitive processes and their underlying neural dynamics.
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Wegbreit E, Weissman AB, Cushman GK, Puzia ME, Kim KL, Leibenluft E, Dickstein DP. Facial emotion recognition in childhood-onset bipolar I disorder: an evaluation of developmental differences between youths and adults. Bipolar Disord 2015; 17:471-85. [PMID: 25951752 PMCID: PMC4548881 DOI: 10.1111/bdi.12312] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Accepted: 03/04/2015] [Indexed: 12/24/2022]
Abstract
OBJECTIVES Bipolar disorder (BD) is a severe mental illness with high healthcare costs and poor outcomes. Increasing numbers of youths are diagnosed with BD, and many adults with BD report that their symptoms started in childhood, suggesting that BD can be a developmental disorder. Studies advancing our understanding of BD have shown alterations in facial emotion recognition both in children and adults with BD compared to healthy comparison (HC) participants, but none have evaluated the development of these deficits. To address this, we examined the effect of age on facial emotion recognition in a sample that included children and adults with confirmed childhood-onset type-I BD, with the adults having been diagnosed and followed since childhood by the Course and Outcome in Bipolar Youth study. METHODS Using the Diagnostic Analysis of Non-Verbal Accuracy, we compared facial emotion recognition errors among participants with BD (n = 66; ages 7-26 years) and HC participants (n = 87; ages 7-25 years). Complementary analyses investigated errors for child and adult faces. RESULTS A significant diagnosis-by-age interaction indicated that younger BD participants performed worse than expected relative to HC participants their own age. The deficits occurred both for child and adult faces and were particularly strong for angry child faces, which were most often mistaken as sad. Our results were not influenced by medications, comorbidities/substance use, or mood state/global functioning. CONCLUSIONS Younger individuals with BD are worse than their peers at this important social skill. This deficit may be an important developmentally salient treatment target - that is, for cognitive remediation to improve BD youths' emotion recognition abilities.
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Affiliation(s)
- Ezra Wegbreit
- Pediatric Mood, Imaging, and NeuroDevelopment (PediMIND) Program, Bradley Hospital, Brown University Alpert Medical School, East Providence, RI,Department of Psychiatry and Human Behavior, Division of Child Psychiatry, Brown University Alpert Medical School, East Providence, RI
| | - Alexandra B Weissman
- Pediatric Mood, Imaging, and NeuroDevelopment (PediMIND) Program, Bradley Hospital, Brown University Alpert Medical School, East Providence, RI,Department of Psychiatry and Human Behavior, Division of Child Psychiatry, Brown University Alpert Medical School, East Providence, RI
| | - Grace K Cushman
- Pediatric Mood, Imaging, and NeuroDevelopment (PediMIND) Program, Bradley Hospital, Brown University Alpert Medical School, East Providence, RI,Department of Psychiatry and Human Behavior, Division of Child Psychiatry, Brown University Alpert Medical School, East Providence, RI
| | - Megan E Puzia
- Pediatric Mood, Imaging, and NeuroDevelopment (PediMIND) Program, Bradley Hospital, Brown University Alpert Medical School, East Providence, RI,Department of Psychiatry and Human Behavior, Division of Child Psychiatry, Brown University Alpert Medical School, East Providence, RI
| | - Kerri L Kim
- Pediatric Mood, Imaging, and NeuroDevelopment (PediMIND) Program, Bradley Hospital, Brown University Alpert Medical School, East Providence, RI,Department of Psychiatry and Human Behavior, Division of Child Psychiatry, Brown University Alpert Medical School, East Providence, RI
| | - Ellen Leibenluft
- Section on Bipolar Spectrum Disorders, Emotion and Development Branch, Intramural Research Program, National Institute of Mental Health, Bethesda, MD, USA
| | - Daniel P Dickstein
- Pediatric Mood, Imaging, and NeuroDevelopment (PediMIND) Program, Bradley Hospital, Brown University Alpert Medical School, East Providence, RI,Department of Psychiatry and Human Behavior, Division of Child Psychiatry, Brown University Alpert Medical School, East Providence, RI
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36
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Manelis A, Ladouceur CD, Graur S, Monk K, Bonar LK, Hickey MB, Dwojak AC, Axelson D, Goldstein BI, Goldstein TR, Bebko G, Bertocci MA, Hafeman DM, Gill MK, Birmaher B, Phillips ML. Altered amygdala-prefrontal response to facial emotion in offspring of parents with bipolar disorder. Brain 2015; 138:2777-90. [PMID: 26112339 DOI: 10.1093/brain/awv176] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2014] [Accepted: 04/26/2015] [Indexed: 12/23/2022] Open
Abstract
This study aimed to identify neuroimaging measures associated with risk for, or protection against, bipolar disorder by comparing youth offspring of parents with bipolar disorder versus youth offspring of non-bipolar parents versus offspring of healthy parents in (i) the magnitude of activation within emotional face processing circuitry; and (ii) functional connectivity between this circuitry and frontal emotion regulation regions. The study was conducted at the University of Pittsburgh Medical Centre. Participants included 29 offspring of parents with bipolar disorder (mean age = 13.8 years; 14 females), 29 offspring of non-bipolar parents (mean age = 13.8 years; 12 females) and 23 healthy controls (mean age = 13.7 years; 11 females). Participants were scanned during implicit processing of emerging happy, sad, fearful and angry faces and shapes. The activation analyses revealed greater right amygdala activation to emotional faces versus shapes in offspring of parents with bipolar disorder and offspring of non-bipolar parents than healthy controls. Given that abnormally increased amygdala activation during emotion processing characterized offspring of both patient groups, and that abnormally increased amygdala activation has often been reported in individuals with already developed bipolar disorder and those with major depressive disorder, these neuroimaging findings may represent markers of increased risk for affective disorders in general. The analysis of psychophysiological interaction revealed that offspring of parents with bipolar disorder showed significantly more negative right amygdala-anterior cingulate cortex functional connectivity to emotional faces versus shapes, but significantly more positive right amygdala-left ventrolateral prefrontal cortex functional connectivity to happy faces (all P-values corrected for multiple tests) than offspring of non-bipolar parents and healthy controls. Taken together with findings of increased amygdala-ventrolateral prefrontal cortex functional connectivity, and decreased amygdala-anterior cingulate cortex functional connectivity previously shown in individuals with bipolar disorder, these connectivity patterns in offspring of parents with bipolar disorder may be risk markers for, rather than markers conferring protection against, bipolar disorder in youth. The patterns of activation and functional connectivity remained unchanged after removing medicated participants and those with current psychopathology from analyses. This is the first study to demonstrate that abnormal functional connectivity patterns within face emotion processing circuitry distinguish offspring of parents with bipolar disorder from those of non-bipolar parents and healthy controls.
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Affiliation(s)
- Anna Manelis
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Cecile D Ladouceur
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Simona Graur
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Kelly Monk
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Lisa K Bonar
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Mary Beth Hickey
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Amanda C Dwojak
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - David Axelson
- 2 Department of Psychiatry, Nationwide Children's Hospital and The Ohio State College of Medicine, Columbus, Ohio, USA
| | - Benjamin I Goldstein
- 3 Department of Psychiatry, Sunnybrook Health Sciences Centre, University of Toronto, Faculty of Medicine, Toronto, Ontario, Canada
| | - Tina R Goldstein
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Genna Bebko
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Michele A Bertocci
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Danella M Hafeman
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Mary Kay Gill
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Boris Birmaher
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Mary L Phillips
- 1 Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Papazacharias A, Taurisano P, Fazio L, Gelao B, Di Giorgio A, Lo Bianco L, Quarto T, Mancini M, Porcelli A, Romano R, Caforio G, Todarello O, Popolizio T, Blasi G, Bertolino A. Aversive emotional interference impacts behavior and prefronto-striatal activity during increasing attentional control. Front Behav Neurosci 2015; 9:97. [PMID: 25954172 PMCID: PMC4404908 DOI: 10.3389/fnbeh.2015.00097] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Accepted: 04/03/2015] [Indexed: 12/26/2022] Open
Abstract
Earlier studies have demonstrated that emotional stimulation modulates attentional processing during goal-directed behavior and related activity of a brain network including the inferior frontal gyrus (IFG) and the caudate nucleus. However, it is not clear how emotional interference modulates behavior and brain physiology during variation in attentional control, a relevant question for everyday life situations in which both emotional stimuli and cognitive load vary. The aim of this study was to investigate the impact of negative emotions on behavior and activity in IFG and caudate nucleus during increasing levels of attentional control. Twenty two healthy subjects underwent event-related functional magnetic resonance imaging while performing a task in which neutral or fearful facial expressions were displayed before stimuli eliciting increasing levels of attentional control processing. Results indicated slower reaction time (RT) and greater right IFG activity when fearful compared with neutral facial expressions preceded the low level of attentional control. On the other hand, fearful facial expressions preceding the intermediate level of attentional control elicited faster behavioral responses and greater activity in the right and left sides of the caudate. Finally, correlation analysis indicated a relationship between behavioral correlates of attentional control after emotional interference and right IFG activity. All together, these results suggest that the impact of negative emotions on attentional processing is differentially elicited at the behavioral and physiological levels as a function of cognitive load.
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Affiliation(s)
- Apostolos Papazacharias
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Paolo Taurisano
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Leonardo Fazio
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Barbara Gelao
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | | | - Luciana Lo Bianco
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Tiziana Quarto
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy ; Cognitive Brain Research Unit, Institute of Behavioral Sciences, University of Helsinki Helsinki, Finland
| | - Marina Mancini
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Annamaria Porcelli
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Raffaella Romano
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Grazia Caforio
- Azienda Ospedaliero-Universitaria Consorziale, Policlinico di Bari Bari, Italy
| | - Orlando Todarello
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy
| | - Teresa Popolizio
- IRCCS "Casa Sollievo della Sofferenza", S. Giovanni Rotondo Italy
| | - Giuseppe Blasi
- Azienda Ospedaliero-Universitaria Consorziale, Policlinico di Bari Bari, Italy
| | - Alessandro Bertolino
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari "Aldo Moro" Bari, Italy ; pRED, NORD DTA Neuroscience, Hoffman-La Roche Ltd Basel, Switzerland
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Garrett AS, Miklowitz DJ, Howe ME, Singh MK, Acquaye TK, Hawkey CG, Glover GH, Reiss AL, Chang KD. Changes in brain activation following psychotherapy for youth with mood dysregulation at familial risk for bipolar disorder. Prog Neuropsychopharmacol Biol Psychiatry 2015; 56:215-20. [PMID: 25283342 PMCID: PMC4258439 DOI: 10.1016/j.pnpbp.2014.09.007] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 08/28/2014] [Accepted: 09/23/2014] [Indexed: 01/05/2023]
Abstract
BACKGROUND Psychotherapy for youth with mood dysregulation can help stabilize mood and improve functioning, but the neural mechanisms of this improvement are not known. In this study we investigated the changes in brain activation underlying improvement in mood symptoms. METHODS Twenty-four subjects (ages 13-17) participated: 12 patients with clinically significant symptoms of depression and/or mania, and 12 healthy comparison subjects (HC) matched for age and sex. All subjects completed functional magnetic resonance imaging while viewing facial expressions. The patients then received up to 4 months of psychotherapy and were rescanned at end of treatment. Whole brain differences between patient and control groups were assessed with a voxel-wise analysis. Changes in activation from pre- to post-treatment within the patient group were tested for correlation with changes in mood symptoms. RESULTS At baseline the patient group had hypoactivation in the dorsolateral prefrontal cortex (DLPFC) and hyperactivation in the posterior cingulate cortex compared to the HC group. Between pre- and post-treatment activation increased in the DLPFC and decreased in the amygdala. Increases in DLPFC activation were significantly correlated with improvement in mania symptoms. DISCUSSION Enhancement of frontal executive control brain regions may underlie improvement in mood dysregulation in pediatric patients at familial risk for bipolar disorder.
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Affiliation(s)
- Amy S. Garrett
- Stanford University School of Medicine, Department of Psychiatry,Center for Interdisciplinary Brain Sciences Research,Pediatric Bipolar Disorders Program
| | | | - Meghan E. Howe
- Stanford University School of Medicine, Department of Psychiatry,Pediatric Bipolar Disorders Program
| | - Manpreet K. Singh
- Stanford University School of Medicine, Department of Psychiatry,Pediatric Bipolar Disorders Program
| | - Tenah K. Acquaye
- Stanford University School of Medicine, Department of Psychiatry,Pediatric Bipolar Disorders Program
| | | | | | - Allan L. Reiss
- Stanford University School of Medicine, Department of Psychiatry,Center for Interdisciplinary Brain Sciences Research
| | - Kiki D. Chang
- Stanford University School of Medicine, Department of Psychiatry,Pediatric Bipolar Disorders Program
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39
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Hafeman D, Bebko G, Bertocci MA, Fournier JC, Bonar L, Perlman SB, Travis M, Gill MK, Diwadkar VA, Sunshine JL, Holland SK, Kowatch RA, Birmaher B, Axelson D, Horwitz SM, Arnold LE, Fristad MA, Frazier TW, Youngstrom EA, Findling RL, Drevets W, Phillips ML. Abnormal deactivation of the inferior frontal gyrus during implicit emotion processing in youth with bipolar disorder: attenuated by medication. J Psychiatr Res 2014; 58:129-36. [PMID: 25151338 PMCID: PMC4381734 DOI: 10.1016/j.jpsychires.2014.07.023] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2014] [Revised: 07/21/2014] [Accepted: 07/24/2014] [Indexed: 12/28/2022]
Abstract
Previous neuroimaging studies of youth with bipolar disorder (BD) have identified abnormalities in emotion regulation circuitry. Using data from the Longitudinal Assessment of Manic Symptoms Cohort (a clinical sample recruited for behavioral and emotional dysregulation), we examined the impact of BD and medication on activation in these regions. Functional neuroimaging data were obtained from 15 youth with BD who currently were unmedicated with a mood stabilizer or antipsychotic (U-BD), 19 youth with medicated BD (M-BD), a non-bipolar clinical sample with high rates of disruptive behavioral disorders (non-BD, n = 59), and 29 healthy controls (HC) while they were shown task-irrelevant morphing emotional faces and shapes. Whole brain analysis was used to identify clusters that showed differential activation to emotion vs. shapes across group. To assess pair-wise comparisons and potential confounders, mean activation data were extracted only from clusters within regions previously implicated in emotion regulation (including amygdala and ventral prefrontal regions). A cluster in the right inferior frontal gyrus (IFG) showed group differences to emotion vs. shapes (159 voxels, corrected p < .05). Within this cluster, U-BD youth showed decreased activation relative to HC (p = .007) and non-BD (p = .004) youth. M-BD also showed decreased activation in this cluster relative to HC and non-BD youth, but these differences were attenuated. Results were specific to negative emotions, and not found with happy faces. IFG findings were not explained by other medications (e.g. stimulants) or diagnoses. Compared to both HC and a non-BD sample, U-BD is associated with abnormally decreased right IFG activation to negative emotions.
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Affiliation(s)
- Danella Hafeman
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | - Genna Bebko
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | - Michele A. Bertocci
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | - Jay C. Fournier
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | - Lisa Bonar
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | - Susan B. Perlman
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | - Michael Travis
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | - Mary Kay Gill
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | | | | | - Scott K Holland
- Cincinnati Children's Hospital Medical Center, University of Cincinnati
| | | | - Boris Birmaher
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh
| | | | | | | | | | | | | | - Robert L. Findling
- University Hospitals Case Medical Center/Case Western Reserve University,Psychiatry, Johns Hopkins University
| | - Wayne Drevets
- Janssen Pharmaceuticals Research & Development, of Johnson&Johnson
| | - Mary L. Phillips
- Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh,Psychological Medicine, Cardiff University
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40
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A systems neuroscience approach to the pathophysiology of pediatric mood and anxiety disorders. Curr Top Behav Neurosci 2013; 16:297-317. [PMID: 24281907 DOI: 10.1007/7854_2013_252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Emotional dysregulation is a core feature of pediatric mood and anxiety disorders. Emerging evidence suggests that these disorders are mediated by abnormalities in the functions and structures of the developing brain. This chapter reviews recent behavioral and functional magnetic resonance imaging (fMRI) research on pediatric mood and anxiety disorders, focusing on the neural mechanisms underlying these disorders. Throughout the chapter, we highlight the relationship between neural and behavioral findings, and potential novel treatments. The chapter concludes with directions for future research.
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