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Choy O, Raine A. The neurobiology of antisocial personality disorder. Neuropharmacology 2024; 261:110150. [PMID: 39244014 DOI: 10.1016/j.neuropharm.2024.110150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 08/21/2024] [Accepted: 09/04/2024] [Indexed: 09/09/2024]
Abstract
Despite increasing recognition that there is a neurobiological basis of antisocial behavior in addition to its psychosocial foundation, much less is known about the specificity of the neurobiological findings to the psychiatric condition of antisocial personality disorder (APD). This article provides a review of research on genetic, brain imaging, neurocognitive, and psychophysiological factors in relation to assessments of APD. Findings show that there are significant genetic effects on APD, particularly related to the serotonergic system, as well as abnormalities in brain regions such as the frontal lobe. Associations between psychophysiological measures of autonomic nervous system functioning and APD are more mixed. Results indicating that APD has a significant genetic basis and is characterized by abnormalities in brain structure/function and neurocognitive impairments provide additional evidence that supports the conceptualization of APD as a neurodevelopmental disorder. Findings may also help inform treatment approaches that target neurobiological risks for APD symptoms.
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Affiliation(s)
- Olivia Choy
- Department of Psychology, Nanyang Technological University, Singapore.
| | - Adrian Raine
- Departments of Criminology, Psychiatry, and Psychology, University of Pennsylvania, USA.
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2
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Taipale M, Tiihonen J, Korhonen J, Popovic D, Vaurio O, Lähteenvuo M, Lieslehto J. Effects of Substance Use and Antisocial Personality on Neuroimaging-Based Machine Learning Prediction of Schizophrenia. Schizophr Bull 2023; 49:1568-1578. [PMID: 37449305 PMCID: PMC10686357 DOI: 10.1093/schbul/sbad103] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
BACKGROUND AND HYPOTHESIS Neuroimaging-based machine learning (ML) algorithms have the potential to aid the clinical diagnosis of schizophrenia. However, literature on the effect of prevalent comorbidities such as substance use disorder (SUD) and antisocial personality (ASPD) on these models' performance has remained unexplored. We investigated whether the presence of SUD or ASPD affects the performance of neuroimaging-based ML models trained to discern patients with schizophrenia (SCH) from controls. STUDY DESIGN We trained an ML model on structural MRI data from public datasets to distinguish between SCH and controls (SCH = 347, controls = 341). We then investigated the model's performance in two independent samples of individuals undergoing forensic psychiatric examination: sample 1 was used for sensitivity analysis to discern ASPD (N = 52) from SCH (N = 66), and sample 2 was used for specificity analysis to discern ASPD (N = 26) from controls (N = 25). Both samples included individuals with SUD. STUDY RESULTS In sample 1, 94.4% of SCH with comorbid ASPD and SUD were classified as SCH, followed by patients with SCH + SUD (78.8% classified as SCH) and patients with SCH (60.0% classified as SCH). The model failed to discern SCH without comorbidities from ASPD + SUD (AUC = 0.562, 95%CI = 0.400-0.723). In sample 2, the model's specificity to predict controls was 84.0%. In both samples, about half of the ASPD + SUD were misclassified as SCH. Data-driven functional characterization revealed associations between the classification as SCH and cognition-related brain regions. CONCLUSION Altogether, ASPD and SUD appear to have effects on ML prediction performance, which potentially results from converging cognition-related brain abnormalities between SCH, ASPD, and SUD.
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Affiliation(s)
- Matias Taipale
- Department of Forensic Psychiatry, Niuvanniemi Hospital, University of Eastern Finland, Kuopio, Finland
| | - Jari Tiihonen
- Department of Forensic Psychiatry, Niuvanniemi Hospital, University of Eastern Finland, Kuopio, Finland
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Center for Psychiatry Research, Stockholm City Council, Stockholm, Sweden
| | - Juuso Korhonen
- Department of Computer Science, Aalto University, Espoo, Finland
| | - David Popovic
- Max Planck Institute of Psychiatry, Munich, Germany
- International Max Planck Research School for Translational Psychiatry (IMPRS-TP), Munich, Germany
- Department of Psychiatry and Psychotherapy, Ludwig-Maximilian-University, Munich, Germany
| | - Olli Vaurio
- Department of Forensic Psychiatry, Niuvanniemi Hospital, University of Eastern Finland, Kuopio, Finland
| | - Markku Lähteenvuo
- Department of Forensic Psychiatry, Niuvanniemi Hospital, University of Eastern Finland, Kuopio, Finland
| | - Johannes Lieslehto
- Department of Forensic Psychiatry, Niuvanniemi Hospital, University of Eastern Finland, Kuopio, Finland
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
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Jalava J, Griffiths S, Larsen RR, Alcott BE. Is the Psychopathic Brain an Artifact of Coding Bias? A Systematic Review. Front Psychol 2021; 12:654336. [PMID: 33912115 PMCID: PMC8071952 DOI: 10.3389/fpsyg.2021.654336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 03/10/2021] [Indexed: 11/28/2022] Open
Abstract
Questionable research practices are a well-recognized problem in psychology. Coding bias, or the tendency of review studies to disproportionately cite positive findings from original research, has received comparatively little attention. Coding bias is more likely to occur when original research, such as neuroimaging, includes large numbers of effects, and is most concerning in applied contexts. We evaluated coding bias in reviews of structural magnetic resonance imaging (sMRI) studies of PCL-R psychopathy. We used PRISMA guidelines to locate all relevant original sMRI studies and reviews. The proportion of null-findings cited in reviews was significantly lower than those reported in original research, indicating coding bias. Coding bias was not affected by publication date or review design. Reviews recommending forensic applications—such as treatment amenability or reduced criminal responsibility—were no more accurate than purely theoretical reviews. Coding bias may have contributed to a perception that structural brain abnormalities in psychopaths are more consistent than they actually are, and by extension that sMRI findings are suitable for forensic application. We discuss possible sources for the pervasive coding bias we observed, and we provide recommendations to counteract this bias in review studies. Until coding bias is addressed, we argue that this literature should not inform conclusions about psychopaths' neurobiology, especially in forensic contexts.
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Affiliation(s)
- Jarkko Jalava
- Department of Interdisciplinary Studies, Okanagan College, Penticton, BC, Canada
| | - Stephanie Griffiths
- Department of Psychology, Okanagan College, Penticton, BC, Canada.,Werklund School of Education, University of Calgary, Calgary, AB, Canada
| | - Rasmus Rosenberg Larsen
- Forensic Science Program and Department of Philosophy, University of Toronto Mississauga, Mississauga, ON, Canada
| | - B Emma Alcott
- Irving K. Barber School of Arts and Sciences, University of British Columbia, Kelowna, BC, Canada
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4
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Different Effects of Alcohol Exposure on Action and Outcome-Related Orbitofrontal Cortex Activity. eNeuro 2021; 8:ENEURO.0052-21.2021. [PMID: 33785522 PMCID: PMC8174034 DOI: 10.1523/eneuro.0052-21.2021] [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] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/12/2021] [Accepted: 03/18/2021] [Indexed: 11/21/2022] Open
Abstract
Alcohol dependence can result in long-lasting deficits to decision-making and action control. Neurobiological investigations have identified orbitofrontal cortex (OFC) as important for outcome-related contributions to goal-directed actions during decision-making. Prior work has shown that alcohol dependence induces long-lasting changes to OFC function that persist into protracted withdrawal and disrupts goal-directed control over actions. However, it is unclear whether these changes in function alter representation of action and outcome-related neural activity in OFC. Here, we used the well-validated chronic intermittent ethanol (CIE) exposure and withdrawal procedure to model alcohol dependence in mice and performed in vivo extracellular recordings during an instrumental task in which lever-press actions made for a food outcome. We found alcohol dependence disrupted goal-directed action control and increased OFC activity associated with lever-pressing but decreased OFC activity during outcome-related epochs. The ability to decode outcome-related information, but not action information, from OFC activity following CIE exposure was reduced. Hence, chronic alcohol exposure induced a long-lasting disruption to OFC function such that activity associated with actions was enhanced, but OFC activity contributions to outcome-related information was diminished. This has important implications for hypotheses regarding compulsive and habitual phenotypes observed in addiction.
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Shields CN, Gremel CM. Review of Orbitofrontal Cortex in Alcohol Dependence: A Disrupted Cognitive Map? Alcohol Clin Exp Res 2020; 44:1952-1964. [PMID: 32852095 PMCID: PMC8261866 DOI: 10.1111/acer.14441] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/13/2020] [Indexed: 12/18/2022]
Abstract
Alcoholism is a persistent worldwide problem associated with long-lasting impairments to decision making processes. Some aspects of dysfunction are thought to reflect alcohol-induced changes to relevant brain areas such as the orbitofrontal cortex (OFC). In this review, we will examine how chronic alcohol exposure alters OFC function to potentially contribute to maladaptive decision making, and explore experimental behavioral approaches that may be better suited to test whether alcohol dependence disrupts OFC's function. We argue that although past works suggest impairments in aspects of OFC function, more information may be gained by specifically targeting tasks to the broader function of OFC as put forth by the recent hypothesis of OFC as a "cognitive map" of task space. Overall, we suggest that such a focus could provide a better understanding of how OFC function changes in alcohol dependence, and could inform better assessment tools and treatment options for clinicians working with this population.
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Affiliation(s)
- Chloe N. Shields
- Department of Psychology, University of California San Diego, La Jolla, CA 92093, USA
| | - Christina M. Gremel
- Department of Psychology, University of California San Diego, La Jolla, CA 92093, USA
- The Neurosciences Graduate Program, University of California San Diego, La Jolla, CA 92093, USA
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6
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Arinze I, Moorman DE. Selective impact of lateral orbitofrontal cortex inactivation on reinstatement of alcohol seeking in male Long-Evans rats. Neuropharmacology 2020; 168:108007. [PMID: 32092436 PMCID: PMC10373069 DOI: 10.1016/j.neuropharm.2020.108007] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 02/05/2020] [Accepted: 02/10/2020] [Indexed: 12/12/2022]
Abstract
The orbitofrontal cortex (OFC) plays a fundamental role in motivated behavior and decision-making. In humans, OFC structure and function is significantly disrupted in drug using and dependent individuals, including those exhibiting chronic alcohol use and alcoholism. In animal models, the OFC has been shown to significantly influence the seeking of non-alcohol drugs of abuse. However direct investigations of the OFC during alcohol seeking and use have been more limited. In the studies reported here, we inactivated lateral (lOFC) or medial OFC (mOFC) subregions in rats during multiple stages of alcohol seeking. After one month of intermittent access to homecage 20% ethanol (EtOH), rats were trained to self-administer EtOH under an FR3 schedule and implanted with cannulae directed to lOFC or mOFC. We inactivated OFC subregions with baclofen/muscimol during EtOH self-administration, extinction, cue-induced reinstatement, and progressive ratio testing to broadly characterize the influence of these subregions on alcohol seeking. There were no significant effects of mOFC or lOFC inactivation during FR3 self-administration, extinction, or progressive ratio self-administration. However, lOFC, and not mOFC, inactivation significantly decreased cue-induced reinstatement of EtOH seeking. These findings contribute new information to the specific impact of OFC manipulation on operant alcohol seeking, support previous studies investigating the role of OFC in seeking and consumption of alcohol and other drugs of abuse, and indicate a specific role for lOFC vs. mOFC in reinstatement.
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Zhang YD, Zhou JS, Lu FM, Wang XP. Reduced gray matter volume in male adolescent violent offenders. PeerJ 2019; 7:e7349. [PMID: 31534834 PMCID: PMC6730529 DOI: 10.7717/peerj.7349] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 06/25/2019] [Indexed: 01/20/2023] Open
Abstract
Background Previous studies reported that reduced gray matter volume (GMV) was associated with violent-related behaviors. However, the previous studies were conducted on adults and no study has studied the association between GMV and violent behaviors on adolescents. The purpose of the study was to investigate GMV’s effects in adolescent violent offenders based on a Chinese Han population, which can address the problem of possible confounding factors in adult studies. Methods We recruited 30 male adolescent violent offenders and 29 age- and sex-matched healthy controls (HCs). Differences in both whole-brain and GMV were evaluated using voxel-based morphometry (VBM). We assessed the accuracy of VBM using the receiver operating characteristic curve (ROC) and discriminant analysis. Results Compared with HCs, the male adolescent offenders showed significantly reduced GMV in five cortical and subcortical brain regions, including the olfactory cortex, amygdala, middle temporal gyrus and inferior parietal lobe in the left hemisphere, as well as the right superior temporal gyrus. Both ROC curve and discriminate analyses showed that these regions had relatively high sensitivities (58.6%–89.7%) and specificities (58.1%–74.2%) with 76.7% classification accuracy. Conclusions Our results indicated that reduced volume in the frontal-temporal-parietal-subcortical circuit may be closely related to violent behaviors in male adolescents, which might be an important biomarker for detecting violent behaviors in male adolescents.
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Affiliation(s)
- Ying-Dong Zhang
- Department of Psychiatry & Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,National Clinical Research Center on Mental Disorders & National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, Hunan, China
| | - Jian-Song Zhou
- Department of Psychiatry & Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,National Clinical Research Center on Mental Disorders & National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, Hunan, China
| | - Feng-Mei Lu
- The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, Sichuan, China.,School of Life Science and Technology, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu, Cichuan, China
| | - Xiao-Ping Wang
- Department of Psychiatry & Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha, Hunan, China.,National Clinical Research Center on Mental Disorders & National Technology Institute on Mental Disorders, Hunan Key Laboratory of Psychiatry and Mental Health, Changsha, Hunan, China
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8
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Edwards BG, Carre JR, Kiehl KA. A review of psychopathy and Cluster B personality traits and their neural correlates in female offenders. Biol Psychol 2019; 148:107740. [PMID: 31415792 DOI: 10.1016/j.biopsycho.2019.107740] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 07/02/2019] [Accepted: 08/08/2019] [Indexed: 01/24/2023]
Abstract
Although men commit more crime and are incarcerated at higher rates than women, women represent the fastest growing segment of the justice system. Empirical work suggests that psychopathy and Cluster B disorders are implicated in antisocial behavior across gender, and that neurobiological correlates of personality may inform such behavior. This review utilizes a gendered perspective to discuss psychopathy and Cluster B disorders in relation to antisocial behavior and incorporates work on neural correlates of personality disorders. Co-morbidity across these conditions may be partly explained by similar frontal deficits, reflective of disinhibition. Affective processing abnormalities appear to be characterized by distinct deficits in limbic/paralimbic regions, reflecting differential etiological underpinnings and behavioral outcomes. This review underscores the utility in examining personality pathology together with neurobiological and environmental factors. Methodological issues and clinical implications are also discussed.
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Affiliation(s)
- Bethany G Edwards
- The Mind Research Network and Lovelace Biomedical and Environmental Research Institute, Albuquerque, New Mexico, United States; University of New Mexico, Albuquerque, New Mexico, United States.
| | - Jessica R Carre
- The Mind Research Network and Lovelace Biomedical and Environmental Research Institute, Albuquerque, New Mexico, United States
| | - Kent A Kiehl
- The Mind Research Network and Lovelace Biomedical and Environmental Research Institute, Albuquerque, New Mexico, United States; University of New Mexico, Albuquerque, New Mexico, United States
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9
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Pujol J, Harrison BJ, Contreras-Rodriguez O, Cardoner N. The contribution of brain imaging to the understanding of psychopathy. Psychol Med 2019; 49:20-31. [PMID: 30207255 DOI: 10.1017/s0033291718002507] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Psychopathy is a personality type characterized by both callous emotional dysfunction and deviant behavior that affects society in the form of actions that harm others. Historically, researchers have been concerned with seeking data and arguments to support a neurobiological foundation of psychopathy. In the past few years, increasing research has begun to reveal brain alterations putatively underlying the enigmatic psychopathic personality. In this review, we describe the brain anatomical and functional features that characterize psychopathy from a synthesis of available neuroimaging research and discuss how such brain anomalies may account for psychopathic behavior. The results are consistent in showing anatomical alterations involving primarily a ventral system connecting the anterior temporal lobe to anterior and ventral frontal areas, and a dorsal system connecting the medial frontal lobe to the posterior cingulate cortex/precuneus complex and, in turn, to medial structures of the temporal lobe. Functional imaging data indicate that relevant emotional flow breakdown may occur in both these brain systems and suggest specific mechanisms via which emotion is anomalously integrated into cognition in psychopathic individuals during moral challenge. Directions for future research are delineated emphasizing, for instance, the relevance of further establishing the contribution of early life stress to a learned blockage of emotional self-exposure, and the potential role of androgenic hormones in the development of cortical anomalies.
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Affiliation(s)
- Jesus Pujol
- MRI Research Unit, Department of Radiology,Hospital del Mar,CIBERSAM G21, Barcelona,Spain
| | - Ben J Harrison
- Department of Psychiatry,Melbourne Neuropsychiatry Centre, The University of Melbourne and Melbourne Health,Melbourne,Australia
| | - Oren Contreras-Rodriguez
- Psychiatry Department,Bellvitge University Hospital, Bellvitge Biomedical Research Institute-IDIBELL,CIBERSAM G17, Barcelona,Spain
| | - Narcis Cardoner
- Department of Mental Health, Corporació Sanitaria Parc Taulí, Sabadell, and Department of Psychiatry,Autonomous University of Barcelona,Barcelona,Spain
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Johanson M, Vaurio O, Tiihonen J, Lähteenvuo M. A Systematic Literature Review of Neuroimaging of Psychopathic Traits. Front Psychiatry 2019; 10:1027. [PMID: 32116828 PMCID: PMC7016047 DOI: 10.3389/fpsyt.2019.01027] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 12/30/2019] [Indexed: 12/19/2022] Open
Abstract
INTRODUCTION Core psychopathy is characterized by grandiosity, callousness, manipulativeness, and lack of remorse, empathy, and guilt. It is often comorbid with conduct disorder and antisocial personality disorder (ASPD). Psychopathy is present in forensic as well as prison and general populations. In recent years, an increasing amount of neuroimaging studies has been conducted in order to elucidate the obscure neurobiological etiology of psychopathy. The studies have yielded heterogenous results, and no consensus has been reached. AIMS This study systematically reviewed and qualitatively summarized functional and structural neuroimaging studies conducted on individuals with psychopathic traits. Furthermore, this study aimed to evaluate whether the findings from different MRI modalities could be reconciled from a neuroanatomical perspective. MATERIALS AND METHODS After the search and auditing processes, 118 neuroimaging studies were included in this systematic literature review. The studies consisted of structural, functional, and diffusion tensor MRI studies. RESULTS Psychopathy was associated with numerous neuroanatomical abnormalities. Structurally, gray matter anomalies were seen in frontotemporal, cerebellar, limbic, and paralimbic regions. Associated gray matter volume (GMV) reductions were most pronounced particularly in most of the prefrontal cortex, and temporal gyri including the fusiform gyrus. Also decreased GMV of the amygdalae and hippocampi as well the cingulate and insular cortices were associated with psychopathy, as well as abnormal morphology of the hippocampi, amygdala, and nucleus accumbens. Functionally, psychopathy was associated with dysfunction of the default mode network, which was also linked to poor moral judgment as well as deficient metacognitive and introspective abilities. Second, reduced white matter integrity in the uncinate fasciculus and dorsal cingulum were associated with core psychopathy. Third, emotional detachment was associated with dysfunction of the posterior cerebellum, the human mirror neuron system and the Theory of Mind denoting lack of empathy and persistent failure in integrating affective information into cognition. CONCLUSIONS Structural and functional aberrancies involving the limbic and paralimbic systems including reduced integrity of the uncinate fasciculus appear to be associated with core psychopathic features. Furthermore, this review points towards the idea that ASPD and psychopathy might stem from divergent biological processes.
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Affiliation(s)
- Mika Johanson
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - Olli Vaurio
- Department of Forensic Psychiatry, Niuvanniemi Hospital, Kuopio, Finland.,Department of Forensic Psychiatry, University of Eastern Finland, Kuopio, Finland
| | - Jari Tiihonen
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden.,Department of Forensic Psychiatry, Niuvanniemi Hospital, Kuopio, Finland.,Department of Forensic Psychiatry, University of Eastern Finland, Kuopio, Finland
| | - Markku Lähteenvuo
- Department of Forensic Psychiatry, Niuvanniemi Hospital, Kuopio, Finland
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Moorman DE. The role of the orbitofrontal cortex in alcohol use, abuse, and dependence. Prog Neuropsychopharmacol Biol Psychiatry 2018; 87:85-107. [PMID: 29355587 PMCID: PMC6072631 DOI: 10.1016/j.pnpbp.2018.01.010] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 12/22/2017] [Accepted: 01/13/2018] [Indexed: 12/21/2022]
Abstract
One of the major functions of the orbitofrontal cortex (OFC) is to promote flexible motivated behavior. It is no surprise, therefore, that recent work has demonstrated a prominent impact of chronic drug use on the OFC and a potential role for OFC disruption in drug abuse and addiction. Among drugs of abuse, the use of alcohol is particularly salient with respect to OFC function. Although a number of studies in humans have implicated OFC dysregulation in alcohol use disorders, animal models investigating the association between OFC and alcohol use are only beginning to be developed, and there is still a great deal to be revealed. The goal of this review is to consider what is currently known regarding the role of the OFC in alcohol use and dependence. I will first provide a brief, general overview of current views of OFC function and its contributions to drug seeking and addiction. I will then discuss research to date related to the OFC and alcohol use, both in human clinical populations and in non-human models. Finally I will consider issues and strategies to guide future study that may identify this brain region as a key player in the transition from moderated to problematic alcohol use and dependence.
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Affiliation(s)
- David E. Moorman
- Department of Psychological and Brain Sciences, Neuroscience and Behavior Graduate Program, University of Massachusetts Amherst, Amherst MA 01003 USA
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12
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Fettes P, Schulze L, Downar J. Cortico-Striatal-Thalamic Loop Circuits of the Orbitofrontal Cortex: Promising Therapeutic Targets in Psychiatric Illness. Front Syst Neurosci 2017; 11:25. [PMID: 28496402 PMCID: PMC5406748 DOI: 10.3389/fnsys.2017.00025] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 04/07/2017] [Indexed: 12/18/2022] Open
Abstract
Corticostriatal circuits through the orbitofrontal cortex (OFC) play key roles in complex human behaviors such as evaluation, affect regulation and reward-based decision-making. Importantly, the medial and lateral OFC (mOFC and lOFC) circuits have functionally and anatomically distinct connectivity profiles which differentially contribute to the various aspects of goal-directed behavior. OFC corticostriatal circuits have been consistently implicated across a wide range of psychiatric disorders, including major depressive disorder (MDD), obsessive compulsive disorder (OCD), and substance use disorders (SUDs). Furthermore, psychiatric disorders related to OFC corticostriatal dysfunction can be addressed via conventional and novel neurostimulatory techniques, including deep brain stimulation (DBS), electroconvulsive therapy (ECT), repetitive transcranial magnetic stimulation (rTMS), and transcranial direct current stimulation (tDCS). Such techniques elicit changes in OFC corticostriatal activity, resulting in changes in clinical symptomatology. Here we review the available literature regarding how disturbances in mOFC and lOFC corticostriatal functioning may lead to psychiatric symptomatology in the aforementioned disorders, and how psychiatric treatments may exert their therapeutic effect by rectifying abnormal OFC corticostriatal activity. First, we review the role of OFC corticostriatal circuits in reward-guided learning, decision-making, affect regulation and reappraisal. Second, we discuss the role of OFC corticostriatal circuit dysfunction across a wide range of psychiatric disorders. Third, we review available evidence that the therapeutic mechanisms of various neuromodulation techniques may directly involve rectifying abnormal activity in mOFC and lOFC corticostriatal circuits. Finally, we examine the potential of future applications of therapeutic brain stimulation targeted at OFC circuitry; specifically, the role of OFC brain stimulation in the growing field of individually-tailored therapies and personalized medicine in psychiatry.
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Affiliation(s)
- Peter Fettes
- Institute of Medical Science, University of TorontoToronto, ON, Canada
| | - Laura Schulze
- Institute of Medical Science, University of TorontoToronto, ON, Canada
| | - Jonathan Downar
- Institute of Medical Science, University of TorontoToronto, ON, Canada.,Krembil Research Institute, University Health NetworkToronto, ON, Canada.,Department of Psychiatry, University of TorontoToronto, ON, Canada.,MRI-Guided rTMS Clinic, University Health NetworkToronto, ON, Canada
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Abstract
PURPOSE OF REVIEW Impulsivity is a multifaceted construct and an important personality trait in various mental health conditions. Among personality disorders (PDs), especially cluster B PDs are affected. The aims of this review are to summarize the relevant findings of the past 3 years concerning impulsivity in cluster B PDs and to identify those subcomponents of self-reported impulsivity and experimentally measured impulse control that are most affected in these disorders. RECENT FINDINGS All studies referred to antisocial (ASPD) or borderline PD (BPD), and none were found for narcissistic or histrionic PD. In ASPD as well as BPD, self-report scales primarily revealed heightened impulsivity compared to healthy controls. In experimental tasks, ASPD patients showed impairments in response inhibition, while fewer deficits were found in delay discounting. BPD patients showed specific impairments in delay discounting and proactive interference, while response inhibition was less affected. However, after inducing high levels of stress, deficits in response inhibition could also be observed in BPD patients. Furthermore, negative affect led to altered brain activation patterns in BPD patients during impulse control tasks, but no behavioral impairments were found. As proposed by the DSM-5 alternative model for personality disorders, heightened impulsivity is a core personality trait in BPD and ASPD, which is in line with current research findings. However, different components of experimentally measured impulse control are affected in BPD and ASPD, and impulsivity occurring in negative emotional states or increased distress seems to be specific for BPD. Future research could be focused on measures that assess impulsive behaviors on a momentary basis as this is a promising approach especially for further ecological validation and transfer into clinical practice.
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Jiang W, Li G, Liu H, Shi F, Wang T, Shen C, Shen H, Lee SW, Hu D, Wang W, Shen D. Reduced cortical thickness and increased surface area in antisocial personality disorder. Neuroscience 2016; 337:143-152. [PMID: 27600947 PMCID: PMC5152675 DOI: 10.1016/j.neuroscience.2016.08.052] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 08/05/2016] [Accepted: 08/29/2016] [Indexed: 10/21/2022]
Abstract
Antisocial personality disorder (ASPD), one of whose characteristics is high impulsivity, is of great interest in the field of brain structure and function. However, little is known about possible impairments in the cortical anatomy in ASPD, in terms of cortical thickness (CTh) and surface area (SA), as well as their possible relationship with impulsivity. In this neuroimaging study, we first investigated the changes of CTh and SA in ASPD patients, in comparison to those of healthy controls, and then performed correlation analyses between these measures and the ability of impulse control. We found that ASPD patients showed thinner cortex while larger SA in several specific brain regions, i.e., bilateral superior frontal gyrus (SFG), orbitofrontal and triangularis, insula cortex, precuneus, middle frontal gyrus (MFG), middle temporal gyrus (MTG), and left bank of superior temporal sulcus (STS). In addition, we also found that the ability of impulse control was positively correlated with CTh in the SFG, MFG, orbitofrontal cortex (OFC), pars triangularis, superior temporal gyrus (STG), and insula cortex. To our knowledge, this study is the first to reveal simultaneous changes in CTh and SA in ASPD, as well as their relationship with impulsivity. These cortical structural changes may introduce uncontrolled and callous behavioral characteristic in ASPD patients, and these potential biomarkers may be very helpful in understanding the pathomechanism of ASPD.
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Affiliation(s)
- Weixiong Jiang
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China; Department of Information Science and Engineering, Hunan First Normal University, Changsha, Hunan 410205, China; Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA; College of Mechatronics and Automation, National University of Defense Technology, Changsha, Hunan 410073, China
| | - Gang Li
- Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA
| | - Huasheng Liu
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Feng Shi
- Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA
| | - Tao Wang
- Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA
| | - Celina Shen
- Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA
| | - Hui Shen
- College of Mechatronics and Automation, National University of Defense Technology, Changsha, Hunan 410073, China
| | - Seong-Whan Lee
- Department of Brain and Cognitive Engineering, Korea University, Seoul, Republic of Korea
| | - Dewen Hu
- College of Mechatronics and Automation, National University of Defense Technology, Changsha, Hunan 410073, China
| | - Wei Wang
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China.
| | - Dinggang Shen
- Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA; Department of Brain and Cognitive Engineering, Korea University, Seoul, Republic of Korea.
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15
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Charpentier J, Dzemidzic M, West J, Oberlin BG, Eiler WJA, Saykin AJ, Kareken DA. Externalizing personality traits, empathy, and gray matter volume in healthy young drinkers. Psychiatry Res 2016; 248:64-72. [PMID: 26778367 PMCID: PMC4760619 DOI: 10.1016/j.pscychresns.2016.01.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 11/24/2015] [Accepted: 01/03/2016] [Indexed: 12/26/2022]
Abstract
Externalizing psychopathology has been linked to prefrontal abnormalities. While clinically diagnosed subjects show altered frontal gray matter, it is unknown if similar deficits relate to externalizing traits in non-clinical populations. We used voxel-based morphometry (VBM) to retrospectively analyze the cerebral gray matter volume of 176 young adult social to heavy drinkers (mean age=24.0±2.9, male=83.5%) from studies of alcoholism risk. We hypothesized that prefrontal gray matter volume and externalizing traits would be correlated. Externalizing personality trait components-Boredom Susceptibility-Impulsivity (BS/IMP) and Empathy/Low Antisocial Behaviors (EMP/LASB)-were tested for correlations with gray matter partial volume estimates (gmPVE). Significantly large clusters (pFWE<0.05, family-wise whole-brain corrected) of gmPVE correlated with EMP/LASB in dorsolateral and medial prefrontal regions, and in occipital cortex. BS/IMP did not correlate with gmPVE, but one scale of impulsivity (Eysenck I7) correlated positively with bilateral inferior frontal/orbitofrontal, and anterior insula gmPVE. In this large sample of community-dwelling young adults, antisocial behavior/low empathy corresponded with reduced prefrontal and occipital gray matter, while impulsivity correlated with increased inferior frontal and anterior insula cortical volume. These findings add to a literature indicating that externalizing personality features involve altered frontal architecture.
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Affiliation(s)
- Judith Charpentier
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Mario Dzemidzic
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Radiology & Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - John West
- Department of Radiology & Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Brandon G Oberlin
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - William J A Eiler
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Andrew J Saykin
- Department of Radiology & Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - David A Kareken
- Department of Neurology, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Radiology & Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN 46202, USA; Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
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16
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Bandelow B, Wedekind D. Possible role of a dysregulation of the endogenous opioid system in antisocial personality disorder. Hum Psychopharmacol 2015; 30:393-415. [PMID: 26250442 DOI: 10.1002/hup.2497] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 04/29/2015] [Accepted: 06/23/2015] [Indexed: 11/09/2022]
Abstract
Around half the inmates in prison institutions have antisocial personality disorder (ASPD). A recent theory has proposed that a dysfunction of the endogenous opioid system (EOS) underlies the neurobiology of borderline personality disorder (BPD). In the present theoretical paper, based on a comprehensive database and hand search of the relevant literature, this hypothesis is extended to ASPD, which may be the predominant expression of EOS dysfunction in men, while the same pathology underlies BPD in women. According to evidence from human and animal studies, the problematic behaviours of persons with antisocial, callous, or psychopathic traits may be seen as desperate, unconscious attempts to stimulate their deficient EOS, which plays a key role in brain reward circuits. If the needs of this system are not being met, the affected persons experience dysphoric mood, discomfort, or irritability, and strive to increase binding of endogenous opioids to receptors by using the rewarding effects of aggression by exertion of physical or manipulative power on others, by abusing alcohol or substances that have the reward system as target, by creating an "endorphin rush" by self-harm, by increasing the frequency of their sexual contacts, or by impulsive actions and sensation seeking. Symptoms associated with ASPD can be treated with opioid antagonists like naltrexone, naloxone, or nalmefene.
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Affiliation(s)
- Borwin Bandelow
- Department of Psychiatry and Psychotherapy, University of Göttingen, Germany
| | - Dirk Wedekind
- Department of Psychiatry and Psychotherapy, University of Göttingen, Germany
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Malone SM, Luciana M, Wilson S, Sparks JC, Hunt RH, Thomas KM, Iacono WG. Adolescent drinking and motivated decision-making: a cotwin-control investigation with monozygotic twins. Behav Genet 2014; 44:407-18. [PMID: 24676464 PMCID: PMC4058380 DOI: 10.1007/s10519-014-9651-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Accepted: 03/07/2014] [Indexed: 10/25/2022]
Abstract
The present study used a monozygotic (MZ) cotwin-control (CTC) design to investigate associations between alcohol use and performance on the Iowa gambling task (IGT) in a sample of 96 adolescents (half female). The MZ CTC design is well suited to shed light on whether poor decision-making, as reflected on IGT performance, predisposes individuals to abuse substances or is a consequence of use. Participants completed structural MRI scans as well, from which we derived gray matter volumes for cortical and subcortical regions involved in IGT performance and reduced in adolescents with problematic alcohol use. Drinking was associated with poorer task performance and with reduced volume of the left lateral orbital-frontal cortex. CTC analyses indicated that the former was due to differences between members of twin pairs in alcohol use (suggesting a causal effect of alcohol), whereas the latter was due to factors shared by twins (consistent with a pre-existing vulnerability for use). Although these preliminary findings warrant replication, they suggest that normative levels of alcohol use may diminish the quality of adolescent decision-making and thus have potentially important public health implications.
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Affiliation(s)
- Stephen M Malone
- Department of Psychology, University of Minnesota - Twin Cities, Minneapolis, MN, 55455, USA,
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Patrick CJ. Physiological correlates of psychopathy, antisocial personality disorder, habitual aggression, and violence. Curr Top Behav Neurosci 2014; 21:197-227. [PMID: 25129139 DOI: 10.1007/7854_2014_345] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
This chapter reviews the existing literature on physiological correlates of psychopathy, antisocial personality disorder, and persistent violence/aggression. Coverage is provided of findings from studies utilizing peripheral, electrocortical, and neuroimaging measures. The review begins with a discussion of how psychopathy and antisocial personality are defined, and how these conditions relate to one another and to violent behavior. A case is made that the relationships psychopathy and ASPD show with violent and aggressive behavior, and similarities and differences in associations of each with physiological measures of various types can be understood in terms of symptomatic features these conditions have in common versus features that distinguish them. Following this, an overview is provided of major lines of evidence emerging from psychophysiological and neuroimaging studies conducted to date on these conditions. The final section of the chapter summarizes what has been learned from these existing studies and discusses implications and directions for future research.
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Aoki Y, Orikabe L, Takayanagi Y, Yahata N, Mozue Y, Sudo Y, Ishii T, Itokawa M, Suzuki M, Kurachi M, Okazaki Y, Kasai K, Yamasue H. Volume reductions in frontopolar and left perisylvian cortices in methamphetamine induced psychosis. Schizophr Res 2013; 147:355-61. [PMID: 23688384 DOI: 10.1016/j.schres.2013.04.029] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2012] [Revised: 04/21/2013] [Accepted: 04/22/2013] [Indexed: 11/18/2022]
Abstract
Consumption of methamphetamine disturbs dopaminergic transmission and sometimes provokes schizophrenia-like-psychosis, named methamphetamine-associated psychosis (MAP). While previous studies have repeatedly reported regional volume reductions in the frontal and temporal areas as neuroanatomical substrates for psychotic symptoms, no study has examined whether such neuroanatomical substrates exist or not in patients with MAP. Magnetic resonance images obtained from twenty patients with MAP and 20 demographically-matched healthy controls (HC) were processed for voxel-based morphometry (VBM) using Diffeomorphic Anatomical Registration using Exponentiated Lie Algebra. An analysis of covariance model was adopted to identify volume differences between subjects with MAP and HC, treating intracranial volume as a confounding covariate. The VBM analyses showed significant gray matter volume reductions in the left perisylvian structures, such as the posterior inferior frontal gyrus and the anterior superior temporal gyrus, and the frontopolar cortices, including its dorsomedial, ventromedial, dorsolateral, and ventrolateral portions, and white matter volume reduction in the orbitofrontal area in the patients with MAP compared with the HC subjects. The smaller regional gray matter volume in the medial portion of the frontopolar cortex was significantly correlated with the severe positive symptoms in the individuals with MAP. The volume reductions in the left perisylvian structure suggest that patients with MAP have a similar pathophysiology to schizophrenia, whereas those in the frontopolar cortices and orbitofrontal area suggest an association with antisocial traits or vulnerability to substance dependence.
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Affiliation(s)
- Yuta Aoki
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
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20
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Monnig MA, Tonigan JS, Yeo RA, Thoma RJ, McCrady BS. White matter volume in alcohol use disorders: a meta-analysis. Addict Biol 2013; 18:581-92. [PMID: 22458455 DOI: 10.1111/j.1369-1600.2012.00441.x] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Atrophy of brain white matter (WM) often is considered a signature injury of alcohol use disorders (AUDs). However, investigations into AUD-related changes in WM volume have yielded complex findings that are difficult to synthesize in a narrative review. The objective of this study was to obtain an averaged effect size (ES) for WM volume reduction associated with AUD diagnosis and to test potential moderators of ES. Study inclusion criteria were: (1) English language; (2) peer reviewed; (3) published before December 2011; (4) use of magnetic resonance imaging (MRI); (5) human participants; (6) inclusion of AUD group; (7) inclusion of non-AUD comparison group; and (8) reporting or testing of total or cerebral WM volume. Moderators included study design, MRI methodology and AUD characteristics. Nineteen studies with a total of 1302 participants (70% male) were included, and calculated ESs were confirmed by the corresponding author for 12 studies. The magnitude of the averaged ES adjusted for small sample bias (Hedges' g) for WM reduction in AUDs was 0.304 (standard error = 0.134, range = -0.57-1.21). Hierarchical linear modeling indicated that the overall ES differed significantly from 0, t(18) = 2.257, P = 0.037, and that the distribution of the 19 ESs showed significant heterogeneity beyond sampling error, χ(2) (18) = 52.400, P < 0.001. Treatment-seeking status and length of abstinence were significant moderators of ES distribution. These results are suggestive of WM recovery with sustained abstinence and point to the need for further investigation of factors related to treatment-seeking status.
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Affiliation(s)
- Mollie A Monnig
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, 2650 Yale Boulevard SE, Albuquerque, NM 87106, USA.
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21
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de Barros DM, Dias AM, Serafim ADP, Castellana GB, Achá MFF, Busatto GF. Dimensional assessment of psychopathy and its relationship with physiological responses to empathic images in juvenile offenders. Front Psychiatry 2013; 4:147. [PMID: 24294206 PMCID: PMC3827584 DOI: 10.3389/fpsyt.2013.00147] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Accepted: 10/27/2013] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE Many psychophysiological studies investigate whether psychopaths present low levels of electrodermal activity (EDA). However, despite evidence that varying degrees of psychopathy are normally distributed in the population, there is a paucity of EDA studies evaluating dimensionally. Moreover, although lack of empathy is a cornerstone of psychopathy, there has been a lack of studies using pictures of empathic emotional content to assess psychophysiological responses. METHOD We studied a population of young male delinquents (n = 30) from a detention center, using the Psychopathy Checklist Revised (PCL-R) to determine if higher levels of psychopathy were related to lesser degrees of EDA in response to emotion-eliciting pictures of empathic content. RESULTS There were significant correlations (p < 0.05) between latency and peak of EDA responses to unpleasant pictures and factor 1 scores, as well as between lability of EDA responses and factor 2 scores. CONCLUSION These results extend previous findings indicating direct relationship between EDA and psychopathy, and suggest that separate investigations of the two PCL-R factors have the potential to unravel more complex relationships between EDA and psychopathy. Also, by demonstrating such associations using emotion-provoking stimuli with empathic content, our results provide a link between levels of psychopathy and biological indices of empathic detachment.
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Affiliation(s)
- Daniel Martins de Barros
- Institute and Department of Psychiatry, University of São Paulo , São Paulo , Brazil ; Center for Interdisciplinary Research on Applied Neurosciences: NAPNA , São Paulo , Brazil
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Cope LM, Shane MS, Segall JM, Nyalakanti PK, Stevens MC, Pearlson GD, Calhoun VD, Kiehl KA. Examining the effect of psychopathic traits on gray matter volume in a community substance abuse sample. Psychiatry Res 2012; 204:91-100. [PMID: 23217577 PMCID: PMC3536442 DOI: 10.1016/j.pscychresns.2012.10.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Revised: 08/02/2012] [Accepted: 10/24/2012] [Indexed: 10/27/2022]
Abstract
Psychopathy is believed to be associated with brain abnormalities in both paralimbic (i.e., orbitofrontal cortex, insula, temporal pole, parahippocampal gyrus, posterior cingulate) and limbic (i.e., amygdala, hippocampus, anterior cingulate) regions. Recent structural imaging studies in both community and prison samples are beginning to support this view. Sixty-six participants, recruited from community corrections centers, were administered the Hare psychopathy checklist-revised (PCL-R), and underwent magnetic resonance imaging (MRI). Voxel-based morphometry was used to test the hypothesis that psychopathic traits would be associated with gray matter reductions in limbic and paralimbic regions. Effects of lifetime drug and alcohol use on gray matter volume were covaried. Psychopathic traits were negatively associated with gray matter volumes in right insula and right hippocampus. Additionally, psychopathic traits were positively associated with gray matter volumes in bilateral orbital frontal cortex and right anterior cingulate. Exploratory regression analyses indicated that gray matter volumes within right hippocampus and left orbital frontal cortex combined to explain 21.8% of the variance in psychopathy scores. These results support the notion that psychopathic traits are associated with abnormal limbic and paralimbic gray matter volume. Furthermore, gray matter increases in areas shown to be functionally impaired suggest that the structure-function relationship may be more nuanced than previously thought.
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Affiliation(s)
- Lora M. Cope
- The Mind Research Network, Albuquerque, New Mexico, 1101 Yale Blvd NE, Albuquerque, NM 87106, USA,Department of Psychology, University of New Mexico, 1 University of New Mexico, MSC03 2220, Albuquerque, NM 87131-0001, USA,Corresponding Author: Lora M. Cope, M.S., Department of Psychology, University of New Mexico, and The Mind Research Network, 1101 Yale Blvd NE, Albuquerque, NM 87106, 505-272-0211 (office), 505-272-8002 (fax),
| | - Matthew S. Shane
- The Mind Research Network, Albuquerque, New Mexico, 1101 Yale Blvd NE, Albuquerque, NM 87106, USA
| | - Judith M. Segall
- The Mind Research Network, Albuquerque, New Mexico, 1101 Yale Blvd NE, Albuquerque, NM 87106, USA
| | - Prashanth K. Nyalakanti
- The Mind Research Network, Albuquerque, New Mexico, 1101 Yale Blvd NE, Albuquerque, NM 87106, USA
| | - Michael C. Stevens
- Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA,Olin Neuropsychiatry Research Center, Institute of Living, 200 Retreat Avenue, Whitehall Building, Hartford, CT 06106, USA
| | - Godfrey D. Pearlson
- Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA,Olin Neuropsychiatry Research Center, Institute of Living, 200 Retreat Avenue, Whitehall Building, Hartford, CT 06106, USA
| | - Vince D. Calhoun
- The Mind Research Network, Albuquerque, New Mexico, 1101 Yale Blvd NE, Albuquerque, NM 87106, USA,Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06510, USA,Department of Electrical and Computer Engineering, University of New Mexico, MSC01 1100, 1 University of New Mexico, ECE Bldg., Room 125, Albuquerque, NM 87131-0001, USA,Department of Neurosciences, University of New Mexico, MSC08 4740, 1 University of New Mexico, Albuquerque, NM 87131-0001, USA
| | - Kent A. Kiehl
- The Mind Research Network, Albuquerque, New Mexico, 1101 Yale Blvd NE, Albuquerque, NM 87106, USA,Department of Psychology, University of New Mexico, 1 University of New Mexico, MSC03 2220, Albuquerque, NM 87131-0001, USA,Department of Neurosciences, University of New Mexico, MSC08 4740, 1 University of New Mexico, Albuquerque, NM 87131-0001, USA
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Bobes MA, Ostrosky F, Diaz K, Romero C, Borja K, Santos Y, Valdés-Sosa M. Linkage of functional and structural anomalies in the left amygdala of reactive-aggressive men. Soc Cogn Affect Neurosci 2012; 8:928-36. [PMID: 22956672 DOI: 10.1093/scan/nss101] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Amygdala structural and functional abnormalities have been associated to reactive aggression in previous studies. However, the possible linkage of these two types of anomalies has not been examined. We hypothesized that they would coincide in the same localizations, would be correlated in intensity and would be mediated by reactive aggression personality traits. Here violent (n = 25) and non-violent (n = 29) men were recruited on the basis of their reactive aggression. Callous-unemotional (CU) traits were also assessed. Gray matter concentration (gmC) and reactivity to fearful and neutral facial expressions were measured in dorsal and ventral amygdala partitions. The difference between responses to fearful and neutral facial expressions was calculated (F/N-difference). Violent individuals exhibited a smaller F/N-difference and gmC in the left dorsal amygdala, where a significant coincidence was found in a conjunction analysis. Moreover, the left amygdala F/N-difference and gmC were correlated to each other, an effect mediated by reactive aggression but not by CU. The F/N-difference was caused by increased reactivity to neutral faces. This suggests that anatomical anomalies within local circuitry (and not only altered input) may underlie the amygdala hyper-reactivity to social signals which is characteristic of reactive aggression.
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Affiliation(s)
- María A Bobes
- Cuban Neuroscience Center, CNEURO, Ave 25 y 158, Cubanacan, Apartado 12100, La Habana, Cuba.
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Howner K, Eskildsen SF, Fischer H, Dierks T, Wahlund LO, Jonsson T, Wiberg MK, Kristiansson M. Thinner cortex in the frontal lobes in mentally disordered offenders. Psychiatry Res 2012; 203:126-31. [PMID: 22947310 DOI: 10.1016/j.pscychresns.2011.12.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2010] [Revised: 11/11/2011] [Accepted: 12/18/2011] [Indexed: 10/27/2022]
Abstract
Antisocial and violent behaviour have been associated with both structural and functional brain abnormalities in the frontal and the temporal lobes. The aim of the present study was to assess cortical thickness in offenders undergoing forensic psychiatric assessments, one group with psychopathy (PSY, n=7) and one group with autism spectrum disorder (ASD, n=7) compared to each other as well as to a reference group consisting of healthy non-criminal subjects (RG, n=12). A second aim was to assess correlation between scores on a psychopathy checklist (PCL-SV) and cortical thickness. Magnetic resonance imaging (MRI) and surface-based cortical segmentation were used to calculate cortical thickness. Analyses used both regions of interest and statistical maps. When the two groups of offenders were compared, there were no differences in cortical thickness, but the PSY group had thinner cortex in the temporal lobes and in the whole right hemisphere compared to RG. There were no differences in cortical thickness between the ASD group and RG. Across subjects there was a negative correlation between PCL-SV scores and cortical thickness in the temporal lobes and the whole right hemisphere. The findings indicate that thinner cortex in the temporal lobes is present in psychopathic offenders and that these regions are important for the expression of psychopathy. However, whether thinner temporal cortex is a cause or a consequence of the antisocial behaviour is still unknown.
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Affiliation(s)
- Katarina Howner
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.
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Ermer E, Cope LM, Nyalakanti PK, Calhoun VD, Kiehl KA. Aberrant paralimbic gray matter in criminal psychopathy. JOURNAL OF ABNORMAL PSYCHOLOGY 2011; 121:649-58. [PMID: 22149911 DOI: 10.1037/a0026371] [Citation(s) in RCA: 112] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Psychopaths impose large costs on society, as they are frequently habitual, violent criminals. The pervasive nature of emotional and behavioral symptoms in psychopathy suggests that several associated brain regions may contribute to the disorder. Studies employing a variety of methods have converged on a set of brain regions in paralimbic cortex and limbic areas that appear to be dysfunctional in psychopathy. The present study further tests this hypothesis by investigating structural abnormalities using voxel-based morphometry in a sample of incarcerated men (N=296). Psychopathy was associated with decreased regional gray matter in several paralimbic and limbic areas, including bilateral parahippocampal, amygdala, and hippocampal regions, bilateral temporal pole, posterior cingulate cortex, and orbitofrontal cortex. The consistent identification of paralimbic cortex and limbic structures in psychopathy across diverse methodologies strengthens the interpretation that these regions are crucial for understanding neural dysfunction in psychopathy.
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Affiliation(s)
- Elsa Ermer
- Department of Psychology, University of New Mexico, The Mind Research Network, Albuquerque, NM 87123, USA.
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Nordstrom BR, Gao Y, Glenn AL, Peskin M, Rudo-Hutt AS, Schug RA, Yang Y, Raine A. Neurocriminology. ADVANCES IN GENETICS 2011; 75:255-83. [PMID: 22078483 DOI: 10.1016/b978-0-12-380858-5.00006-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In the past several decades there has been an explosion of research into the biological correlates to antisocial behavior. This chapter reviews the state of current research on the topic, including a review of the genetics, neuroimaging, neuropsychological, and electrophysiological studies in delinquent and antisocial populations. Special attention is paid to the biopsychosocial model and gene-environment interactions in producing antisocial behavior.
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Liu IC, Chiu CH, Chen CJ, Kuo LW, Lo YC, Tseng WYI. The microstructural integrity of the corpus callosum and associated impulsivity in alcohol dependence: a tractography-based segmentation study using diffusion spectrum imaging. Psychiatry Res 2010; 184:128-34. [PMID: 20926265 DOI: 10.1016/j.pscychresns.2010.07.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2010] [Revised: 06/24/2010] [Accepted: 07/09/2010] [Indexed: 11/29/2022]
Abstract
Previous post-mortem and structural magnetic resonance imaging (MRI) studies in patients with alcohol dependence have demonstrated abnormalities of brain white matter. The present study investigated the microstructural integrity in the corpus callosum and the associations of this integrity with neurobehavioral assessments. Twenty-five male cases fulfilling the DSM-IV diagnosis of alcohol dependence and 15 male control subjects were scanned using a 3T MRI system. Callosal fiber tracts were reconstructed by diffusion spectrum imaging tractography and were subdivided into seven functionally distinct segments. The microstructural integrity was quantified in terms of generalized fractional anisotropy (GFA). Compared with normal subjects, men with alcohol dependence showed lower GFA values on all segments of the corpus callosum. The segment interconnecting the bilateral orbitofrontal cortices was the most affected. The score on the Barratt Impulsivity Scale showed an inverse relationship with GFA on the callosal fiber tracts connecting the bilateral orbitofrontal cortices. Furthermore, the duration of regular use was negatively associated with GFA on the callosal fiber tracts connecting the bilateral temporal and parietal cortices. Our findings suggest that a high self-rated impulsivity level was associated with low anisotropy in white matter of corpus callosum sectors extending to the orbitofrontal cortex.
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Affiliation(s)
- I-Chao Liu
- Department of Psychiatry, Fu Jen Catholic University, Taipei County, Taiwan
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28
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Dolan MC. What imaging tells us about violence in anti-social men. CRIMINAL BEHAVIOUR AND MENTAL HEALTH : CBMH 2010; 20:199-214. [PMID: 20549783 DOI: 10.1002/cbm.771] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
This paper provides an overview of imaging studies in samples of men with personality disorder (PD) who have been violent. Mention is also made of the work of two groups that have looked at the neural correlates of violence across diagnostic categories, including schizophrenia and anti-social PD given their relevance in the field. The paper focuses on the notion that aggressive behaviour can be conceptualised in terms of at least two types, reactive and pro-active, and that few studies separate them. The neuro-anatomical basis of aggression and associated neurobehavioural theories are discussed in relation to clinical disorders (mainly anti-social personality pathology) associated with these different types of aggressive behaviour. Structural (computed tomography, magnetic resonance imaging) and functional (positron emission tomography, fMRI, single-photon emission tomography) studies with violent people variously characterised as anti-social or having psychopathy will be critically reviewed.
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Affiliation(s)
- Mairead C Dolan
- Department of Psychiatry, Monash University, Melbourne, Australia.
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29
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Raine A, Yang Y. Neural foundations to moral reasoning and antisocial behavior. Soc Cogn Affect Neurosci 2010; 1:203-13. [PMID: 18985107 DOI: 10.1093/scan/nsl033] [Citation(s) in RCA: 292] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2006] [Accepted: 09/17/2006] [Indexed: 11/13/2022] Open
Abstract
A common feature of the antisocial, rule-breaking behavior that is central to criminal, violent and psychopathic individuals is the failure to follow moral guidelines. This review summarizes key findings from brain imaging research on both antisocial behavior and moral reasoning, and integrates these findings into a neural moral model of antisocial behavior. Key areas found to be functionally or structurally impaired in antisocial populations include dorsal and ventral regions of the prefrontal cortex (PFC), amygdala, hippocampus, angular gyrus, anterior cingulate and temporal cortex. Regions most commonly activated in moral judgment tasks consist of the polar/medial and ventral PFC, amygdala, angular gyrus and posterior cingulate. It is hypothesized that the rule-breaking behavior common to antisocial, violent and psychopathic individuals is in part due to impairments in some of the structures (dorsal and ventral PFC, amygdala and angular gyrus) subserving moral cognition and emotion. Impairments to the emotional component that comprises the feeling of what is moral is viewed as the primary deficit in antisocials, although some disruption to the cognitive and cognitive-emotional components of morality (particularly self-referential thinking and emotion regulation) cannot be ruled out. While this neurobiological predisposition is likely only one of several biosocial processes involved in the etiology of antisocial behavior, it raises significant moral issues for the legal system and neuroethics.
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Affiliation(s)
- Adrian Raine
- Department of Psychology and Neuroscience Program, University of Southern California, USA.
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30
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In psychopathic patients emotion attribution modulates activity in outcome-related brain areas. Psychiatry Res 2010; 182:88-95. [PMID: 20417065 DOI: 10.1016/j.pscychresns.2010.01.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2009] [Revised: 01/13/2010] [Accepted: 01/14/2010] [Indexed: 11/24/2022]
Abstract
The understanding that other people's emotional states depend on the fulfilment of their intention is fundamentally important for responding adequately to others. Psychopathic patients show severe deficits in responding adequately to other people's emotion. The present study explored whether these impairments are associated with deficits in the ability to infer others' emotional states. Using functional magnetic resonance imaging (fMRI), identical cartoon stories, depicting a subject whose intention was fulfilled or not fulfilled, were presented to 14 psychopathic patients and 14 non-psychopathic patients. The participants should indicate the protagonist's emotional state. Additionally, a non-mentalizing control condition was presented. The two groups showed no behavioural differences. But in non-psychopathic patients emotion attribution was associated with increased activity of the mirror neuron system, the bilateral supramarginal gyrus and the superior frontal gyrus. In contrast psychopathic patients showed increased activation of regions associated with outcome monitoring and attention, such as the orbitofrontal cortex, the medial frontal cortex and temporo-parietal areas. The results emphasize that although psychopathic patients show no deficits in reasoning about other people's emotion if an explicit evaluation is demanded, they use divergent neural processing strategies that are related to more rational, outcome-oriented processes.
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31
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Müller JL. Psychopathy--an approach to neuroscientific research in forensic psychiatry. BEHAVIORAL SCIENCES & THE LAW 2010; 28:129-147. [PMID: 20422642 DOI: 10.1002/bsl.926] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
"Psychopathy" is a construct that has come into vogue again in science and practice. In line with the growing impact, different diagnostic approaches have been used to investigate forensically relevant social behavior as well as involved brain functions and structures. Research on psychopathy has become of major importance for empirical research in forensic psychiatry. An overview on the development of the concept of psychopathy is given; the heterogeneity of the diagnostic tools is addressed, focusing critically on the characteristics of the included samples. Neurobiological findings on psychopathy are presented, focusing in particular on structural and functional imaging data. Limitations and further requirements of neuroimaging research in psychopathy are discussed. In order to emphasize the limitations of lesion studies, in particular in a forensic context, a case report on pseudoneurasthenia following orbitofrontal brain damage without any change in behavior is presented.
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Affiliation(s)
- Jürgen L Müller
- Dep. of Forensic Psychiatry and Psychotherapy, University of Göttingen, Rosdorfer Weg 70, D- 37070 Göttingen, Germany.
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32
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[Neurobiological aspects of reactive and proactive violence in antisocial personality disorder and "psychopathy"]. Prax Kinderpsychol Kinderpsychiatr 2010; 58:587-609. [PMID: 19961124 DOI: 10.13109/prkk.2009.58.8.587] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Impulsive-reactive violent offenders show increased autonomic activity in response to negative emotional and threatening stimuli. A volume reduction and/or activity decrease of frontal brain structures associated with impulse control and the regulation of fear and anger are likewise found in combination with a fear-related hyperactivity of the amygdala. In addition, impulsive aggression is facilitated by variants of gene polymorphisms influencing the serotonergic system. Conversely, proactive-instrumental violent offender with psychopathy, who are characterized by a lack of empathy and remorse, demonstrate an autonomic hypo-responsivity as well as dysfunctions of the amygdala and of cortical regions related to empathic and social behavior. Developmentally, aggressive children exhibit temperamental differences from early childhood on that are characteristic of a developmental pathway towards either reactive or proactive violence later in life. Exposure to negative environmental factors like ineffective parenting or childhood maltreatment has been related to a heightened risk for developing reactive violence. A developmental trajectory of proactive violence, however, has been related to a mostly genetically determined callous unemotional temperament of the child that disrupts the parental socialization efforts during childhood.
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33
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Gao Y, Glenn AL, Schug RA, Yang Y, Raine A. The neurobiology of psychopathy: a neurodevelopmental perspective. CANADIAN JOURNAL OF PSYCHIATRY. REVUE CANADIENNE DE PSYCHIATRIE 2009; 54:813-23. [PMID: 20047720 DOI: 10.1177/070674370905401204] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
We provide an overview of the neurobiological underpinnings of psychopathy. Cognitive and affective-emotional processing deficits are associated with abnormal brain structure and function, particularly the amygdala and orbitofrontal cortex. There is limited evidence of lower cortisol levels being associated with psychopathic personality. Initial developmental research is beginning to suggest that these neurobiological processes may have their origins early in life. Findings suggest that psychopathic personality may, in part, have a neurodevelopmental basis. Future longitudinal studies delineating neurobiological correlates of the analogues of interpersonal-affective and antisocial features of psychopathy in children are needed to further substantiate a neurodevelopmental hypothesis of psychopathy.
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Affiliation(s)
- Yu Gao
- Department of Criminology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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34
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Yang Y, Raine A. Prefrontal structural and functional brain imaging findings in antisocial, violent, and psychopathic individuals: a meta-analysis. Psychiatry Res 2009; 174:81-8. [PMID: 19833485 PMCID: PMC2784035 DOI: 10.1016/j.pscychresns.2009.03.012] [Citation(s) in RCA: 406] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2008] [Revised: 03/18/2009] [Accepted: 03/22/2009] [Indexed: 10/20/2022]
Abstract
Brain-imaging studies suggest that antisocial and violent behavior is associated with structural and functional deficits in the prefrontal cortex, but there is heterogeneity in findings and it is unclear whether findings apply to psychopaths, non-violent offenders, community-based samples, and studies employing psychiatric controls. A meta-analysis was conducted on 43 structural and functional imaging studies, and the results show significantly reduced prefrontal structure and function in antisocial individuals. Effect sizes were significant for both structural and functional studies. With minor exceptions, no statistically significant moderating effects of sample characteristics and methodological variables were observed. Findings were localized to the right orbitofrontal cortex, right anterior cingulate cortex, and left dorsolateral prefrontal cortex. Findings confirm the replicability of prefrontal structural and functional impairments in antisocial populations and highlight the involvement of orbitofrontal, dorsolateral frontal, and anterior cingulate cortex in antisocial behavior.
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Affiliation(s)
- Yaling Yang
- Laboratory of NeuroImaging, Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, United States.
| | - Adrian Raine
- Department of Criminology, Psychiatry, and Psychology. University of Pennsylvania
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35
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Müller JL. [Forensic psychiatry in the era of neuroscience: present status and outlook for neurobiological research]. DER NERVENARZT 2009; 80:241-51. [PMID: 19011828 DOI: 10.1007/s00115-008-2585-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Progress in neurobiological research has influenced our view of human beings and the basics of their behavior. Regarding criminal law and forensic psychiatry, established codes of practice are being challenged by neuroscientific research. This article gives an overview of neurobiological findings and methods in the context of forensic psychiatric issues. Empirical approaches to addressing important legal questions are outlined. Principles behind forensic psychiatric expert opinions are given. The effect and future of neuroscientific findings and methods in answering forensic psychiatric questions are discussed. Limitations and legal and ethical requirements are addressed.
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Affiliation(s)
- J L Müller
- Psychiatrische Universitätsklinik, Georg-August-Universität, Von-Siebold-Strasse 5, 37075, Göttingen, Deutschland.
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36
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Wahlund K, Kristiansson M. Aggression, psychopathy and brain imaging - Review and future recommendations. INTERNATIONAL JOURNAL OF LAW AND PSYCHIATRY 2009; 32:266-271. [PMID: 19409616 DOI: 10.1016/j.ijlp.2009.04.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Violent behavior appears to result from a complex web of interacting genetic as well as environmental factors. Psychopathy is a strong predictor for relapse in violent acts. The current review shed light on rapidly expanding knowledge in brain imaging related to violent behavior and psychopathy. A literature search was performed in PubMed, Cochrane and PsycInfo combining the key words: mentally disordered offender/aggression/violence/ crime/forensic psychiatry/brain imaging neuroimaging/fMRI/MRI/PET/SPECT/lack of empathy/psychopathy and antisocial personality disorder. The reviewed material, which consisted of 48 articles, indicates a rather strong consensus on the connection between dysfunctional parts of the frontal and temporal lobes and violent antisocial behavior and psychopathy. In future studies, it would be useful to focus on the limbic system and to investigate which parts of the frontal lobes and cerebral networks that are of interest in the psychopathic personality. Moreover, the reviewed material highlights some of the methodological difficulties in this area of research such as selection bias in the recruitment of patients, inadequate matching of control subjects, and sometimes incongruous results. In the future we hope that brain imaging can be used to map biological deviations in different offenders in order to try to learn more about the different mechanisms behind violent behaviors.
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37
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Oscar-Berman M, Valmas MM, Sawyer KS, Kirkley SM, Gansler DA, Merritt D, Couture A. Frontal brain dysfunction in alcoholism with and without antisocial personality disorder. Neuropsychiatr Dis Treat 2009; 5:309-26. [PMID: 19557141 PMCID: PMC2699656 DOI: 10.2147/ndt.s4882] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2009] [Indexed: 11/26/2022] Open
Abstract
Alcoholism and antisocial personality disorder (ASPD) often are comorbid conditions. Alcoholics, as well as nonalcoholic individuals with ASPD, exhibit behaviors associated with prefrontal brain dysfunction such as increased impulsivity and emotional dysregulation. These behaviors can influence drinking motives and patterns of consumption. Because few studies have investigated the combined association between ASPD and alcoholism on neuropsychological functioning, this study examined the influence of ASPD symptoms and alcoholism on tests sensitive to frontal brain deficits. The participants were 345 men and women. Of them, 144 were abstinent alcoholics (66 with ASPD symptoms), and 201 were nonalcoholic control participants (24 with ASPD symptoms). Performances among the groups were examined with Trails A and B tests, the Wisconsin Card Sorting Test, the Controlled Oral Word Association Test, the Ruff Figural Fluency Test, and Performance subtests of the Wechsler Adult Intelligence Scale. Measures of affect also were obtained. Multiple regression analyses showed that alcoholism, specific drinking variables (amount and duration of heavy drinking), and ASPD were significant predictors of frontal system and affective abnormalities. These effects were different for men and women. The findings suggested that the combination of alcoholism and ASPD leads to greater deficits than the sum of each.
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Affiliation(s)
- Marlene Oscar-Berman
- Department of Veterans Affairs Healthcare System, Boston University School of Medicine, Boston, MA, USA.
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38
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De Brito SA, Mechelli A, Wilke M, Laurens KR, Jones AP, Barker GJ, Hodgins S, Viding E. Size matters: Increased grey matter in boys with conduct problems and callous–unemotional traits. Brain 2009; 132:843-52. [DOI: 10.1093/brain/awp011] [Citation(s) in RCA: 223] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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39
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Abstract
Numerous studies have tackled the complex challenge of understanding the neural substrates of psychopathy, revealing that brain abnormalities exist on several levels and in several structures. As we discover more about complex neural networks, it becomes increasingly difficult to clarify how these systems interact with each other to produce the distinct pattern of behavioral and personality characteristics observed in psychopathy. The authors review the recent research on the neurobiology of psychopathy, beginning with molecular neuroscience work and progressing to the level of brain structures and their connectivity. Potential factors that may affect the development of brain impairments, as well as how some systems may be targeted for potential treatment, are discussed.
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Affiliation(s)
- Andrea L Glenn
- Department of Psychology, University of Pennsylvania, 3809 Walnut Street, PA 19104, USA.
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40
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Tiihonen J, Rossi R, Laakso MP, Hodgins S, Testa C, Perez J, Repo-Tiihonen E, Vaurio O, Soininen H, Aronen HJ, Könönen M, Thompson PM, Frisoni GB. Brain anatomy of persistent violent offenders: more rather than less. Psychiatry Res 2008; 163:201-12. [PMID: 18662866 DOI: 10.1016/j.pscychresns.2007.08.012] [Citation(s) in RCA: 122] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2007] [Revised: 05/30/2007] [Accepted: 08/26/2007] [Indexed: 11/19/2022]
Abstract
Most violent crimes in Western societies are committed by a small group of men who display antisocial behavior from an early age that remains stable across the life-span. It is not known if these men display abnormal brain structure. We compared regional brain volumes of 26 persistently violent offenders with antisocial personality disorder and substance dependence and 25 healthy men using magnetic resonance imaging volumetry and voxel-based morphometry (VBM). The violent offenders, as compared with the healthy men, had markedly larger white matter volumes, bilaterally, in the occipital and parietal lobes, and in the left cerebellum, and larger grey matter volume in right cerebellum (effect sizes up to 1.24, P<0.001). Among the offenders, volumes of these areas were not associated with psychopathy scores, substance abuse, psychotropic medication, or global IQ scores. By contrast, VBM analyses of grey matter revealed focal, symmetrical, bilateral areas of atrophy in the postcentral gyri, frontopolar cortex, and orbitofrontal cortex among the offenders as compared with the healthy men (z-scores as high as 5.06). Offenders with psychopathy showed the smallest volumes in these areas. The larger volumes in posterior brain areas may reflect atypical neurodevelopmental processes that underlie early-onset persistent antisocial and aggressive behavior.
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Affiliation(s)
- Jari Tiihonen
- Department of Forensic Psychiatry, Niuvanniemi Hospital, University of Kuopio, Kuopio, Finland.
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41
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Müller JL, Gänssbauer S, Sommer M, Döhnel K, Weber T, Schmidt-Wilcke T, Hajak G. Gray matter changes in right superior temporal gyrus in criminal psychopaths. Evidence from voxel-based morphometry. Psychiatry Res 2008; 163:213-22. [PMID: 18662867 DOI: 10.1016/j.pscychresns.2007.08.010] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2006] [Revised: 08/14/2007] [Accepted: 08/16/2007] [Indexed: 11/27/2022]
Abstract
"Psychopathy" according to the PCL-R describes a specific subgroup of antisocial personality disorder with a high risk for criminal relapses. Lesion and imaging studies point towards frontal or temporal brain regions connected with disturbed social behavior, antisocial personality disorder (APD) and psychopathy. Morphologically, some studies described a reduced prefrontal brain volume, whereas others reported on temporal lobe atrophy. To further investigate whether participants with psychopathy according to the Psychopathy Checklist-Revised Version (PCL-R) show abnormalities in brain structure, we used voxel-based morphometry (VBM) to investigate region-specific changes in gray matter in 17 forensic male inpatients with high PCL-R scores (PCL-R>28) and 17 male control subjects with low PCL-R scores (PCL<10). We found significant gray matter reductions in frontal and temporal brain regions in psychopaths compared with controls. In particular, we found a highly significant volume loss in the right superior temporal gyrus. This is the first study to show that psychopathy is associated with a decrease in gray matter in both frontal and temporal brain regions, in particular in the right superior temporal gyrus, supporting the hypothesis that a disturbed frontotemporal network is critically involved in the pathogenesis of psychopathy.
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Affiliation(s)
- Jürgen L Müller
- Department of Forensic Psychiatry and Psychotherapy, University of Göttingen, Von Siebold Str. 5, D-37075 Göttingen, Germany.
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42
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Weber S, Habel U, Amunts K, Schneider F. Structural brain abnormalities in psychopaths-a review. BEHAVIORAL SCIENCES & THE LAW 2008; 26:7-28. [PMID: 18327824 DOI: 10.1002/bsl.802] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The biological basis of psychopathy has not yet been fully elucidated. Few studies deal with structural neuroimaging in psychopaths. The aim of this article is to review these studies in order to contribute to our understanding of the biological basis of psychopathy. Data in the literature report a reduction in prefrontal gray matter volume, gray matter loss in the right superior temporal gyrus, amygdala volume loss, a decrease in posterior hippocampal volume, an exaggerated structural hippocampal asymmetry, and an increase in callosal white matter volume in psychopathic individuals. These findings suggest that psychopathy is associated with brain abnormalities in a prefrontal-temporo-limbic circuit-i.e. regions that are involved, among others, in emotional and learning processes. Additionally, data indicate that psychopathic individuals cannot be seen as a homogeneous group. The associations between structural changes and psychopathic characteristics do not enable causal conclusions to be drawn, but point rather to the important role of biological brain abnormalities in psychopathy. To gain a comprehensive understanding of this, psychopathy must be viewed as a multifactorial process involving neurobiological, genetic, epidemiological and sociobiographical factors.
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Affiliation(s)
- Sabrina Weber
- Department of Psychiatry and Psychotherapy, RWTH Aachen University, Pauwelsstrasse 30, 52074 Aachen, Germany.
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43
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Yang Y, Glenn AL, Raine A. Brain abnormalities in antisocial individuals: implications for the law. BEHAVIORAL SCIENCES & THE LAW 2008; 26:65-83. [PMID: 18327831 DOI: 10.1002/bsl.788] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
With the increasing popularity in the use of brain imaging on antisocial individuals, an increasing number of brain imaging studies have revealed structural and functional impairments in antisocial, psychopathic, and violent individuals. This review summarizes key findings from brain imaging studies on antisocial/aggressive behavior. Key regions commonly found to be impaired in antisocial populations include the prefrontal cortex (particularly orbitofrontal and dorsolateral prefrontal cortex), superior temporal gyrus, amygdala-hippocampal complex, and anterior cingulate cortex. Key functions of these regions are reviewed to provide a better understanding on how deficits in these regions may predispose to antisocial behavior. Objections to the use of imaging findings in a legal context are outlined, and alternative perspectives raised. It is argued that brain dysfunction is a risk factor for antisocial behavior and that it is likely that imaging will play an increasing (albeit limited) role in legal decision-making.
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Affiliation(s)
- Yaling Yang
- Department of Psychology, University of Southern California, Los Angeles, CA 90089-1061, USA
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44
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Abstract
There is evidence that the male sex and a personality style characterized by low self-control/high impulsivity and a propensity for negative emotionality increase the risk for impulsive aggressive, antisocial and criminal behavior. This article aims at identifying neurobiological factors underlying this association. It is concluded that the neurobiological correlates of impulsive aggression act through their effects on the ability to modulate impulsive expression more generally, and that sex-related differences in the neurobiological correlates of impulse control and emotion regulation mediate sex differences in direct aggression. A model is proposed that relates impulse control and its neurobiological correlates to sex differences in direct aggression.
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Affiliation(s)
- Daniel Strüber
- Brain Research Institute, University of Bremen, Bremen, Germany.
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45
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Müller JL, Sommer M, Döhnel K, Weber T, Schmidt-Wilcke T, Hajak G. Disturbed prefrontal and temporal brain function during emotion and cognition interaction in criminal psychopathy. BEHAVIORAL SCIENCES & THE LAW 2008; 26:131-150. [PMID: 18327826 DOI: 10.1002/bsl.796] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Impaired emotional responsiveness has been revealed as a hallmark of psychopathy. In spite of an increasing database on emotion processing, studies on cognitive function and in particular on the impact of emotion on cognition in psychopathy are rare. We used pictures from the International Affective Picture Set (IAPS) and a Simon Paradigm to address emotion-cognition interaction while functional and structural imaging data were obtained in 12 healthy controls and 10 psychopaths. We found an impaired emotion-cognition interaction in psychopaths that correlated with a changed prefrontal and temporal brain activation. With regard to the temporal cortex, it is shown that structure and function of the right superior temporal gyrus is disturbed in psychopathy, supporting a neurobiological approach to psychopathy, in which structure and function of the right STG may be important.
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Affiliation(s)
- Jürgen L Müller
- Department of Forensic Psychiatry and Psychotherapy,University of Göttingen, Von Siebold Strasse 5, D-37075 Göttingen, Germany.
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46
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Witzel J, Walter M, Bogerts B, Northoff G. Neurophilosophical perspectives of neuroimaging in forensic psychiatry-giving way to a paradigm shift? BEHAVIORAL SCIENCES & THE LAW 2008; 26:113-130. [PMID: 18327827 DOI: 10.1002/bsl.798] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Forensic psychiatry is concerned with the relationship between psychiatric abnormalities and legal violations and crimes. Due to the lack of available biological criteria, evaluation and therapy in forensic psychiatry have so far been restricted to psychosocial and mental criteria of offenders' personalities. Recent advances in neurosciences allow a closer approach to the neural correlates of personality, moral judgments and decision-making. We propose to discuss the introduction of biological criteria in the field of forensic psychiatry and to establish rules as to what extent such biological criteria will be a better and more reliable choice in judging mentally ill criminals by using all available information that can be obtained by biological means. Psychosocial and subjective criteria in forensic evaluation will be more and more accomplished by biopsychosocial and objective criteria. The responsibility of having committed a criminal act will no longer be exclusively defined by judging free and voluntary decision-making, but rather by brain-behavior relationships. What is often referred to as psychosocially determined mental processes thus could be complemented by estimating the degree of biopsychosocially determined neural processes. We conclude that such a process could contribute to a paradigm shift in forensic psychiatry, which will have profound implications for offenders, forensic psychologists and psychiatrists, the law and society in general.
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Affiliation(s)
- Joachim Witzel
- Central State Forensic Psychiatric Hospital of Saxony-Anhalt, Uchtspringe, Germany
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47
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Abstract
Alcoholism results from an interplay between genetic and environmental factors, and is linked to brain defects and associated cognitive, emotional, and behavioral impairments. A confluence of findings from neuroimaging, physiological, neuropathological, and neuropsychological studies of alcoholics indicate that the frontal lobes, limbic system, and cerebellum are particularly vulnerable to damage and dysfunction. An integrative approach employing a variety of neuroscientific technologies is essential for recognizing the interconnectivity of the different functional systems affected by alcoholism. In that way, relevant experimental techniques can be applied to assist in determining the degree to which abstinence and treatment contribute to the reversal of atrophy and dysfunction.
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Affiliation(s)
- Marlene Oscar-Berman
- Department of Anatomy and Neurobiology, Boston University School of Medicine, L-815, 715 Albany Street, Boston, MA 02118, USA.
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48
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Abstract
Brain-imaging studies have reinvigorated the neurophilosophical and legal debate of whether we are free agents in control of our own actions or mere prisoners of a biologically determined brain.
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Affiliation(s)
- Dean Mobbs
- Welcome Trust Centre for Neuroimaging, University College London, London, United Kingdom.
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Miguel-Hidalgo JJ, Overholser JC, Meltzer HY, Stockmeier CA, Rajkowska G. Reduced glial and neuronal packing density in the orbitofrontal cortex in alcohol dependence and its relationship with suicide and duration of alcohol dependence. Alcohol Clin Exp Res 2006; 30:1845-55. [PMID: 17067348 PMCID: PMC2921167 DOI: 10.1111/j.1530-0277.2006.00221.x] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Reduced metabolism, blood flow, and tissue volume have been detected in the dorsolateral prefrontal cortex (dlPFC) of neurologically intact alcoholic subjects and these deficits are accompanied by lower density of neurons and glial cells. Another prefrontal region, the orbitofrontal cortex (ORB), functionally and structurally differentiated from the dlPFC, and heavily involved in decision-making processes, also shows functional alterations in alcoholic subjects. However, it is unknown whether changes in the packing density of neurons or glial cells also occur in the ORB and whether that density may be related to the increased suicide probability of alcoholic subjects or to the duration of alcohol dependence. METHODS The present study used a 3-dimensional cell-counting method in postmortem brain tissue to determine the packing density of neurons and glial cells in the ORB (area 47) of 15 subjects with alcohol dependence (8 suicides, 7 nonsuicides) and 8 normal controls and to determine whether cell density is correlated with suicide and duration of alcohol dependence. RESULTS There was a significantly lower density of both neurons (by 27%) and glial cells (by 25%) in the ORB of alcoholic subjects compared with controls. Packing density of either neurons or glial cells was not significantly different in alcoholic suicides compared with alcoholic nonsuicides. Age was not correlated with neuronal or glial density in either group. However, the duration of alcohol dependence and the ratio of that duration to the length of life span were significantly and negatively correlated to the overall density of neurons. CONCLUSION The present results indicate that alcohol dependence is associated with a decrease in the packing density of neurons and glia in the ORB and that the reduction in neuronal but not glial density progresses with the duration of alcohol dependence.
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Affiliation(s)
- Jose J Miguel-Hidalgo
- Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, 2500 North State Street, Jackson, MS 39216, USA.
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Abstract
PURPOSE OF REVIEW Compelling evidence suggests that a small group of men who develop schizophrenia display a stable pattern of antisocial behaviour from childhood onwards, causing considerable suffering to victims and to themselves and imposing a significant financial burden on society. We reviewed the literature on the neurobiological correlates of antisocial behaviour and violence to further the understanding of this subgroup of persons with schizophrenia and develop testable hypotheses for future research. RECENT FINDINGS Few studies have been conducted, sample sizes are small and measures vary greatly. Taken together, the results suggest that among men with schizophrenia, those who have displayed a stable pattern of antisocial and aggressive behaviour since childhood, as compared with those with no such history, perform better on neuropsychological tests tapping specific executive functions and more poorly on assessments of orbitofrontal functions. We hypothesize that individuals in this subgroup are less compromised neurologically and display structural brain abnormalities in the amygdala-orbitofrontal system and in the prefrontal cortex and hippocampus. SUMMARY A better understanding of the distinctive neurobiological characteristics of this subgroup of men with schizophrenia will contribute to developing treatments tailored to their needs, to prevent antisocial behaviours and to reduce the symptoms of schizophrenia.
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Affiliation(s)
- Kris Naudts
- Department of Forensic Mental Health Science, Institute of Psychiatry, King's College London, London, UK.
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