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Trifu SC, Tudor A, Radulescu I. Aggressive behavior in psychiatric patients in relation to hormonal imbalance (Review). Exp Ther Med 2020; 20:3483-3487. [PMID: 32905000 PMCID: PMC7465123 DOI: 10.3892/etm.2020.8974] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 07/02/2020] [Indexed: 11/24/2022] Open
Abstract
Aggressive behavior is one of the main characteristics of different psychiatric disorders such as: personality disorders (antisocial personality disorder, borderline personality disorder), schizophrenia, intermittent explosive disorder, post-traumatic stress disorder, bipolar disorder, depression, alcohol/substance induced psychiatric disorders. Epidemiological evidence shows that always there is a higher risk of violence and aggressivity among patients with psychiatric disorders compared with general population. Researchers have tried many times to narrow the theories that can explain such a behavior, starting from models that involve a link between illness and aggression going up to external-environmental factors including the therapeutic relation in the hospital. Even if the majority of studies are centered on intoxications (with alcohol or other substances that potentiate the aggressive behavior) we will highlight another somatic dimension linked with this behavior. In the following review we summarize the hormonal imbalances that have been noted to accompany aggressive behavior in different psychiatric disorders. Several studies have been made starting even at the age of ten corelating hormone cortisol with increase aggression, but patients with psychiatric disorders have a higher sensitivity in linking hormonal imbalance with their behavior.
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Affiliation(s)
- Simona Corina Trifu
- Department of Neurosciences, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Alexandra Tudor
- Department of Psychiatry, 'Alex. Obregia̓ Clinical Hospital of Psychiatry, 041914 Bucharest, Romania
| | - Ioana Radulescu
- Department of General Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania
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Miller CWT, Hodzic V, Weintraub E. Current Understanding of the Neurobiology of Agitation. West J Emerg Med 2020; 21:841-848. [PMID: 32726254 PMCID: PMC7390566 DOI: 10.5811/westjem.2020.4.45779] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 04/13/2020] [Indexed: 12/17/2022] Open
Abstract
Introduction Managing agitation in the clinical setting is a challenge that many practitioners face regularly. Our evolving understanding of the etiological factors involved in aggressive acts has better informed our interventions through pharmacologic and behavioral strategies. This paper reviews the literature on the neurobiological underpinnings of aggressive behaviors, linking psychopathology with proposed mechanisms of action of psychiatric medications shown to be effective in mitigating agitation. Methods We performed a review of the extant literature using PubMed as a primary database. Investigation focused on neurobiology of agitation and its relation to the current evidence base for particular interventions. Results There are well-established pathways that can lead to increased autonomic response and the potential for violence. Psychopathology and substance-induced perceptual distortions may lead to magnification and overestimation of environmental threat, heightening the potential for aggression. Additional challenges have arisen with the advent of several novel drugs of abuse, many of which lead to atypical clinical presentations and which can elude standard drug screens. Our interventions still lean on the evidence base found in Project BETA (Best Practices in Evaluation and Treatment of Agitation). Although not a new drug and not included in the Project BETA guidelines, ketamine and its use are also discussed, given its unique pharmacology and potential benefits when other protocoled interventions have failed. Conclusion Aggression can occur due to manifold reasons in the clinical setting. Having an informed understanding of the possible determinants of agitation can help with more tailored responses to individual patients, limiting the unnecessary use of medications or of interventions that could be deemed forceful.
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Affiliation(s)
- Christopher W T Miller
- University of Maryland School of Medicine, Department of Psychiatry, Baltimore, Maryland
| | - Vedrana Hodzic
- University of Maryland School of Medicine, Department of Psychiatry, Baltimore, Maryland
| | - Eric Weintraub
- University of Maryland School of Medicine, Department of Psychiatry, Baltimore, Maryland
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Steakley-Freeman DM, Lee RJ, McCloskey MS, Coccaro EF. Social desirability, deceptive reporting, and awareness of problematic aggression in intermittent explosive disorder compared with non-aggressive healthy and psychiatric controls. Psychiatry Res 2018; 270:20-25. [PMID: 30243128 DOI: 10.1016/j.psychres.2018.08.064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 08/06/2018] [Accepted: 08/16/2018] [Indexed: 12/24/2022]
Abstract
Individuals with DSM-5 Intermittent Explosive Disorder (IED) are often suspected of minimizing the nature of their recurrent, problematic, impulsive aggressive behavior due to the social undesirability of these behaviors. Our first study involved 400 study participants categorized as Healthy Controls (HC), Psychiatric Controls (PC) and as having IED and included the Crowne-Marlowe Social Desirability Scale (SDS), the Lie Scale from the Eysenck Personality Questionnaire-Revised (EPQ-R Lie), and the Readiness to Change (Anger) Questionnaire (RTC). IED study participants had lower SDS and lower EPQ-R Lie scores, while having higher RTC scores, compared with both HC and PC study participants. Thus, when studied in a clinical research setting, IED study participants do not provide socially desirable answers to questions and do not engaging in deceptive reporting; likely because they have recognized their need/interest in reducing their own impulsive aggressive behavior. The second study, part of a family study of 70 probands and their first-degree relatives revealed a very high positive (96.3%), but substantially lower negative (55.8%), predictive power for IED based on informant report. This suggests that, while interview of close informants can confirm the diagnosis of IED, informant interviews cannot rule out IED when such informants provide a negative report.
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Affiliation(s)
- Diana M Steakley-Freeman
- Clinical Neuroscience Research Unit, Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA
| | - Royce J Lee
- Clinical Neuroscience Research Unit, Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA
| | - Michael S McCloskey
- Clinical Neuroscience Research Unit, Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA
| | - Emil F Coccaro
- Clinical Neuroscience Research Unit, Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA.
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Neural networks of aggression: ALE meta-analyses on trait and elicited aggression. Brain Struct Funct 2018; 224:133-148. [PMID: 30291479 DOI: 10.1007/s00429-018-1765-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 09/27/2018] [Indexed: 12/19/2022]
Abstract
There is considerable evidence that emotion dysregulation and self-control impairments lead to escalated aggression in populations with psychiatric disorders. However, convergent quantitative evidence on the neural network explaining how aggression arises is still lacking. To address this gap, peak activations extracted from extant functional magnetic resonance imaging (fMRI) studies were synthesized through coordinate-based meta-analyses. A systematic search in the PubMed database was conducted and 26 fMRI studies met the inclusion criteria. Three separate activation likelihood estimation (ALE) meta-analyses were performed on (1) individual differences in trait aggression (TA) studies, (2) individual differences in TA studies examining executive functioning, and (3) elicited aggression (EA) studies across fMRI behavioral paradigms. Ensuing clusters from ALE meta-analyses were further treated as seeds for follow-up investigations on consensus connectivity networks (CCN) delineated from meta-analytic connectivity modeling (MACM) and resting-state functional connectivity (RSFC) to further characterize their physiological functions. Finally, we obtained a data-driven functional characterization of the ensuing clusters and their networks. This approach offers a boarder view of the ensuing clusters using a boarder network perspective. In TA, aberrant brain activations were found only in the right precuneus. Follow-up analyses revealed that the precuneus seed was within the frontal-parietal network (FPN) associated with action inhibition, visuospatial processing and higher-level cognition. With further restricting to only experiments examining executive functioning, convergent evidence was found in the right rolandic operculum (RO), midcingulate cortex (MCC), precentral gyrus (PrG) and precuneus. Follow-up analyses suggested that RO, MCC and PrG may belong to a common cognitive control network, while the MCC seems to be the hub of this network. In EA, we only revealed a convergent region in the left postcentral gyrus. Follow-up CCN analyses and functional characterizations suggested that this region may also belong to the same cognitive control network found in the TA sub-analysis. Our results suggested that escalated aggression arises from abnormal precuneus activities within the FPN, disrupting the recruitment of other large-scale networks such as adaptive cognitive control network. Consequently, failure to recruit such a network results in an inability to generate adaptive responses, increasing the likelihood of acting aggressively.
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5
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Haller J. Preclinical models of conduct disorder – principles and pharmacologic perspectives. Neurosci Biobehav Rev 2018; 91:112-120. [DOI: 10.1016/j.neubiorev.2016.05.032] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 05/09/2016] [Accepted: 05/25/2016] [Indexed: 12/11/2022]
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Gelegen V, Tamam L. Prevalence and clinical correlates of intermittent explosive disorder in Turkish psychiatric outpatients. Compr Psychiatry 2018; 83:64-70. [PMID: 29604524 DOI: 10.1016/j.comppsych.2018.03.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Revised: 01/25/2018] [Accepted: 03/07/2018] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE Intermittent explosive disorder (IED) is defined as the failure to resist aggressive impulses resulting in repeated acts of verbal and/or physical aggression. Although it is frequently encountered in clinical psychiatric practice, there is a paucity of data concerning IED in the scientific literature both internationally and in Turkey. The aim of this study was to evaluate the prevalence of IED and associated sociodemographic and clinical features in a clinical setting. METHODS A total of 406 patients who were referred to our psychiatry outpatient clinic for the first time in a six-month period were included in the study. The diagnosis of IED was made using both Diagnostic and Statistical Manual of Mental Disorders 4th edition (DSM-IV) and DSM-5 criteria. Axis I disorder and personality disorder diagnoses were made according to DSM-5 criteria. Diagnoses were based on information from the Structured Clinical Interview for DSM-IV (SCID I) and the Structured Clinical Interview for DSM-IV personality disorders (SCID II), Symptom Checklist-90 (SCL-90), Wender Utah Rating Scale, Adult Attention Deficit Hyperactivity Disorder (ADHD) DSM-IV Based Diagnostic Screening and Rating Scale, a clinical interview conducted by the researcher, and a sociodemographic data form. In addition, participants were administered the Buss-Perry Aggression Scale and Barratt Impulsiveness Scale Version 11 (BIS-11) to assess aggression and impulsivity. RESULTS Lifetime and 12-month prevalence of IED according to DSM-5 were 16.7% and 11.3%, respectively. Mean age at onset was 16.4 years. The prevalence of lifetime IED was 3.8 times higher in males than females (95% CI = 1.9-7.5); twice as high in individuals living in rural areas compared to those living in urban centers (95% CI = 1.1-3.7); 2.7 times higher among those with lifetime suicide attempt versus those without (95% CI = 1.3-5.6); 4.5 times higher in those with lifetime self-injurious behavior compared to those without (95% CI = 2.3-8.7); and 3 times higher in individuals reporting aggression/anger problems in the family compared to those without (95% CI = 1.5-5.9). The prevalences of childhood ADHD, conduct disorder, and oppositional defiant disorder were significantly higher in the IED group. CONCLUSION The result of the current study has revealed that approximately one-sixth of respondents experienced lifetime IED according to DSM-5 diagnostic criteria. Statistically significant sociodemographic correlates of IED include gender, urbanicity, history of suicide attempt, history of self-injurious behavior, and family history of aggression/anger problems.
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Affiliation(s)
- Volkan Gelegen
- Osmaniye Government Hospital, Department of Psychiatry, Osmaniye, Turkey.
| | - Lut Tamam
- Cukurova University, Department of Psychiatry, Adana, Turkey
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Studies into abnormal aggression in humans and rodents: Methodological and translational aspects. Neurosci Biobehav Rev 2017; 76:77-86. [DOI: 10.1016/j.neubiorev.2017.02.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 01/25/2017] [Accepted: 02/13/2017] [Indexed: 02/06/2023]
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[Intermittent Explosive Disorder: A Controversial Diagnosis]. REVISTA COLOMBIANA DE PSIQUIATRIA 2016; 45:214-23. [PMID: 27569016 DOI: 10.1016/j.rcp.2015.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 08/25/2015] [Accepted: 11/05/2015] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Intermittent explosive disorder (IED) is aan externalizing externalising disorder characterized characterised by recurrent aggression episodes. Even though this disorder was described several decades ago, and it carries personal and social consequences, there is little in the medical scientific literature on this. bibliographic production about it is scanty. OBJECTIVE To perform a conceptualization conceptualisation of this disorder, through the review and bibliometric analysis of the available scientific articles. MATERIAL AND METHODS A search was performed in databases with the english English terms intermittent explosive disorder, impulse disorders control [MeSH], in combination with other terms. A bibliometric analysis in the GoPubMed® search engineer was also performed using all data obtained in the search. was also perfomed. DISCUSSION IED prevalence ranges from 1.4% to 7%, it presents more frequently during middle adolescence, and with more noticeable repercussions in men males than in womenfemales. The psychopathological core of IED is the impulsive aggressive behaviour that presents in the form of «attacks» that occurs in response to a lower precipitating stimulus. Scientific publications about IED are few and relatively recent, and the vast majority is provided bycomes from the United States (56.56%), and headed by a single author. This fact highlights the need to replicate the findings described about the IED in order to demonstrate the validity and reliability of its diagnostic criteria. It is possible that doubts about the existence of a diagnosis lead have led to such a scant literature about the IED. CONCLUSIONS Available studies about IED allow have allowed characterizing a group of subjects with episodes of impulsive aggression to be characterised, but this description requires replication in different latitudesneeds to be repeated in different areas.
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Henrichs J, Bogaerts S, Sijtsema J, Klerx-van Mierlo F. Intimate partner violence perpetrators in a forensic psychiatric outpatient setting: criminal history, psychopathology, and victimization. JOURNAL OF INTERPERSONAL VIOLENCE 2015; 30:2109-2128. [PMID: 25287409 DOI: 10.1177/0886260514552272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This study investigated criminological, psychopathological, and victimological profiles of intimate partner violence (IPV) perpetrators in a sample of 119 Dutch female and male forensic psychiatric outpatients aged 18 to 58 years. In addition, differences in criminological, psychopathological, and victimological factors between IPV perpetrators (n = 61, 51.3%) and non-intimate violence (NIV) perpetrators (n = 58, 48.7%) were examined. All data, including information on demographics, criminal history, history of psychological, sexual, and physical victimization during childhood or adolescence, family history of psychopathology, history of psychopathology in childhood and adolescence, and mental disorders, were derived from archival electronic medical records. Mental disorders were measured using structured psychiatric interviews and final consensus diagnoses were established during weekly case consultations. Both IPV and NIV perpetrators displayed high rates of criminal history, psychopathology, and previous victimization, but the two groups did not differ in these factors with two exceptions. IPV perpetrators were significantly more likely to have higher rates of previous physical victimization and intermittent explosive disorder than NIV perpetrators. The current study suggests that a history of physical victimization and intermittent explosive disorder are specific characteristics of IPV perpetrators in a forensic psychiatric outpatient setting. Future research should focus on mechanisms explaining the association of childhood victimization and IPV and increase our understanding of the role of intermittent explosive disorder in IPV.
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Affiliation(s)
| | - Stefan Bogaerts
- Tilburg University, The Netherlands Catholic University of Leuven, Belgium The Kijvelanden, Forensic Psychiatric Centre, Rotterdam, The Netherlands
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Wexler E. Clinical neurogenetics: behavioral management of inherited neurodegenerative disease. Neurol Clin 2014; 31:1121-44. [PMID: 24176427 DOI: 10.1016/j.ncl.2013.04.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Psychiatric symptoms often manifest years before overt neurologic signs in patients with inherited neurodegenerative disease. The most frequently cited example of this phenomenon is the early onset of personality changes in "presymptomatic" Huntington patients. In some cases the changes in mood and cognition are even more debilitating than their neurologic symptoms. The goal of this article is to provide the neurologist with a concise primer that can be applied in a busy clinic or private practice.
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Affiliation(s)
- Eric Wexler
- Department of Psychiatry, Center for Neurobehavioral Genetics, Semel Institute, University of California Los Angeles School of Medicine, 695 Charles Young Drive South, Gonda Room 2309, Los Angeles, CA 90024-1759, USA.
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11
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Abstract
BACKGROUND Episodes of explosive rage and violence comprise a symptom complex which can have a devastating effect on a person's life. In the community this behavior is seen as workplace violence, domestic abuse and road rage, while in the clinical setting, this behavior is rarely mentioned by patients, despite evidence that it can signify an important biological disorder that may afflict more than three percent of the population. DISCUSSION Patients are often reluctant to seek help for episodic attacks of rage, especially attacks which are accompanied by physical violence. Although, in the past, clinicians have had few treatment options to offer, recent neuroscience advances have created new possibilities to understand and help patients with this neglected problem. No formal medical guidelines for treating violence exist; however, many patients can be helped by diagnosis, referral and treatment. Treatment can include pharmaceuticals and nutrients, as well as referral for anger management or behavioral therapy. SUMMARY The astute clinician has an opportunity to positively impact an important problem through the diagnosis and treatment of patients with symptoms of intermittent explosive disorder.
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Affiliation(s)
- John C Umhau
- Laboratory of Clinical and Translational Studies, National Institutes of Health, National Institute on Alcohol Abuse and Alcoholism, 10 Center Drive, Building 10-CRC Hatfield Center, Room 1-5330, Bethesda, MD 20892-1108, USA.
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Event-related potentials in impulsively aggressive juveniles: a retrospective chart-review study. Psychiatry Res 2011; 187:409-13. [PMID: 21429594 DOI: 10.1016/j.psychres.2011.02.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2010] [Revised: 02/02/2011] [Accepted: 02/25/2011] [Indexed: 11/22/2022]
Abstract
The assessment, treatment and management of aggressive youth represent a major clinical challenge facing pediatric mental health professionals today. Although a number of studies have examined physiological differences among aggressive patients vs. controls, the current literature lacks a comprehensive examination of the electroencephalographic activity of impulsively aggressive juveniles. The current study was designed to fill this void in the literature via a retrospective chart review of 80 male and female juveniles undergoing inpatient treatment for pathologically impulsive aggression. Clinical reports for mid- and late-latency event-related potentials (ERPs) were examined to determine their correlations with aggression characteristics, as well as any differential predictive utility of hemispheric differences and auditory vs. visual potentials. Results indicated that decrements of mid-latency potentials and ERPs evoked by auditory stimuli (vs. late-latency components and visual ERPs) were more highly predictive of aggressive behavior. No significant hemispheric differences were noted. Taken together, these results have theoretical significance for the etiology of impulsive aggression, and perhaps also clinical relevance for the treatment of this condition.
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Yoshimasu K, Kawakami N. Epidemiological aspects of intermittent explosive disorder in Japan; prevalence and psychosocial comorbidity: findings from the World Mental Health Japan Survey 2002-2006. Psychiatry Res 2011; 186:384-9. [PMID: 20709410 PMCID: PMC3012136 DOI: 10.1016/j.psychres.2010.07.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2009] [Revised: 07/16/2010] [Accepted: 07/20/2010] [Indexed: 11/25/2022]
Abstract
The purpose of the present study is to evaluate the prevalence of intermittent explosive disorder (IED) as well as its comorbidity with other mental disorders in a Japanese community sample. Subjects were 4,134 residents in selected sites in Japan. Diagnoses of mental disorders are based on the World Mental Health Survey Initiative Version of the World Health Organization Composite International Diagnostic Interview. Lifetime and 12-month prevalence of IED were 2.1% and 0.7%, respectively, whereas those of narrow IED were 1.2% and 0.6%, respectively. Male gender and young age were positively associated with an increased prevalence of IED. Mood and anxiety disorders as well as suicidal ideation were shown to be associated with IED in both genders. The overall association between anxiety disorders and IED was stronger in women than in men. Positive association of substance use problems with IED was also observed. Similar findings were observed between those psychosocial factors and narrow IED. These results suggest that people having those mixed complications might have a high suicidal risk. Further research using psychological measures for anger suppression will lead to more thorough understanding of the effects of IED on psychosocial comorbidity and suicidal risk.
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Affiliation(s)
- Kouichi Yoshimasu
- Department of Hygiene, School of Medicine, Wakayama Medical University, Kimiidera, Wakayama 641-0012, Japan.
| | - Norito Kawakami
- Department of Mental Health, School of Health Science and Nursing, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Abstract
Aggression in children and adolescents is commonly displayed in the community and is even more commonly seen in clinical settings. As symptoms of an underlying disorder, aggressive behaviors should be comprehensively evaluated, and developmental, medical, and substance-use disorders should be identified and treated. This article reviews the most common psychiatric conditions associated with aggression and suggests appropriate psychopharmacologic interventions. Tables with recommended agents for each psychiatric disorder, as well as dosing ranges for each agent, are included.
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van Honk J, Harmon-Jones E, Morgan BE, Schutter DJLG. Socially explosive minds: the triple imbalance hypothesis of reactive aggression. J Pers 2010; 78:67-94. [PMID: 20433613 DOI: 10.1111/j.1467-6494.2009.00609.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The psychobiological basis of reactive aggression, a condition characterized by uncontrolled outbursts of socially violent behavior, is unclear. Nonetheless, several theoretical models have been proposed that may have complementary views about the psychobiological mechanisms involved. In this review, we attempt to unite these models and theorize further on the basis of recent data from psychological and neuroscientific research to propose a comprehensive neuro-evolutionary framework: The Triple Imbalance Hypothesis (TIH) of reactive aggression. According to this model, reactive aggression is essentially subcortically motivated by an imbalance in the levels of the steroid hormones cortisol and testosterone (Subcortical Imbalance Hypothesis). This imbalance not only sets a primal predisposition for social aggression, but also down-regulates cortical-subcortical communication (Cortical-Subcortical Imbalance Hypothesis), hence diminishing control by cortical regions that regulate socially aggressive inclinations. However, these bottom-up hormonally mediated imbalances can drive both instrumental and reactive social aggression. The TIH suggests that reactive aggression is differentiated from proactive aggression by low brain serotonergic function and that reactive aggression is associated with left-sided frontal brain asymmetry (Cortical Imbalance Hypothesis), especially observed when the individual is socially threatened or provoked. This triple biobehavioral imbalance mirrors an evolutionary relapse into violently aggressive motivational drives that are adaptive among many reptilian and mammalian species, but may have become socially maladaptive in modern humans.
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Affiliation(s)
- Jack van Honk
- Department of Psychology, Experimental Psychology, Utrecht University, Heidelberglaan2, 3584 CS Utrecht, The Netherlands.
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Koelsch S, Wiebigke C, Siebel WA, Stepan H. Impulsive aggressiveness of pregnant women affects the development of the fetal heart. Int J Psychophysiol 2009; 74:243-9. [DOI: 10.1016/j.ijpsycho.2009.09.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2009] [Revised: 09/23/2009] [Accepted: 09/24/2009] [Indexed: 11/27/2022]
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Potenza MN, Koran LM, Pallanti S. The relationship between impulse-control disorders and obsessive-compulsive disorder: a current understanding and future research directions. Psychiatry Res 2009; 170:22-31. [PMID: 19811840 PMCID: PMC2792582 DOI: 10.1016/j.psychres.2008.06.036] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2007] [Revised: 07/03/2007] [Accepted: 06/12/2008] [Indexed: 10/20/2022]
Abstract
Impulse-control disorders (ICDs) constitute a heterogeneous group of conditions linked diagnostically by difficulties in resisting "the impulse, drive, or temptation to perform an act that is harmful to the person or to others." Specific ICDs share clinical, phenomenological and biological features with obsessive-compulsive disorder (OCD) that have suggested that these disorders might be categorized together. However, other data suggest significant differences between OCD and ICDs. In this article, clinical, phenomenological and biological features of the formal ICDs are reviewed and compared and contrasted with those of OCD. Available data indicate substantial differences between ICDs and OCD that suggest independent categorizations. Existing research gaps are identified and avenues for future research suggested.
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Affiliation(s)
- Marc Nicholas Potenza
- Associate Professor of Psychiatry, Department of Psychiatry, Yale University School of Medicine, Connecticut Mental Health Center, Room S-104, 34 Park Street, New Haven, CT, 06519, USA, . Tel: 203-974-7356. Fax: 203-974-7366
| | - Lorrin Michael Koran
- Professor of Psychiatry, Emeritus, Department of Psychiatry and Behavioural Sciences, Stanford University Medical Center, Stanford, CA, 94305
| | - Stefano Pallanti
- Professor of Psychiatry, University of the Studies of Florence, Florence, Italy, Adjunct Professor of Psychiatry, Mount Sinai School of Medicine, NY, New York.
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Koelsch S. P3a and mismatch negativity in individuals with moderate Intermittent Explosive Disorder. Neurosci Lett 2009; 460:21-6. [DOI: 10.1016/j.neulet.2009.05.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2008] [Revised: 05/15/2009] [Accepted: 05/15/2009] [Indexed: 10/20/2022]
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19
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LaFrance WC, Gates JR, Trimble MR. Psychogenic unresponsiveness and nonepileptic seizures. HANDBOOK OF CLINICAL NEUROLOGY 2008; 90:317-328. [PMID: 18631831 DOI: 10.1016/s0072-9752(07)01718-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Affiliation(s)
- W Curt LaFrance
- Brown Medical School and Rhode Island Hospital, Providence, RI, USA.
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EEG correlates of moderate intermittent explosive disorder. Clin Neurophysiol 2008; 119:151-62. [DOI: 10.1016/j.clinph.2007.09.131] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2006] [Revised: 08/23/2007] [Accepted: 09/30/2007] [Indexed: 11/24/2022]
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Haller J, Horváth Z, Bakos N. The effect of buspirone on normal and hypoarousal-driven abnormal aggression in rats. Prog Neuropsychopharmacol Biol Psychiatry 2007; 31:27-31. [PMID: 16893596 DOI: 10.1016/j.pnpbp.2006.05.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2006] [Revised: 05/10/2006] [Accepted: 05/10/2006] [Indexed: 11/29/2022]
Abstract
Aggressiveness is associated with decreased glucocorticoid production, autonomic hypoarousal, and social deficits in antisocial personality disorder and its childhood antecedent conduct disorder. We showed previously that experimentally induced chronic glucocorticoid deficiency leads to abnormal forms of attack, autonomic hypoarousal, and social deficits in rats. We also showed that serotonergic neurotransmission, which downregulates aggressiveness in normal rats appears to lose its aggression-controlling role in glucocorticoid-deficient rats. We suggested that abnormal aggression develops in such rats as a consequence of serotonergic disturbances that result from chronic glucocorticoid deficiency. Here we assessed the effects of the serotonergic anxiolytic buspirone on aggressive behavior in normal and glucocorticoid-deficient rats. Noteworthy, this compound is frequently used in the clinic to control moderate aggression problems. As expected, buspirone dose-dependently reduced the duration of agonistic behaviors in normal rats exposed to resident/intruder conflicts. Similar to earlier experiments, glucocorticoid deficiency dramatically increased the share of attacks directed towards vulnerable body parts of the opponents (head, throat and belly). Surprisingly, 1 and 5 mg/kg buspirone dramatically increased the frequency of biting attacks in glucocorticoid-deficient rats. The share of vulnerable attacks remained as high as in vehicle-treated glucocorticoid-deficient rats. These data show that chronic glucocorticoid deficiency disturbs serotonergic neurotransmission, which reverses the aggression-related effects of the serotonergic agent buspirone. This finding is in line with disparate human findings on the effects of serotonergic agents on aggression in antisocial personality disordered people.
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Affiliation(s)
- Jozsef Haller
- Institute of Experimental Medicine, Budapest, Hungary.
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Abstract
Psychotropic medications for the violent adolescent can be used safely and effectively as long as a thorough evaluation is conducted beforehand,and appropriate monitoring is attended to for the duration of treatment. Table 1 summarizes several clinical conditions associated with aggressive and violent behaviors, and the recommendations for first-, second-, and third-line pharmacotherapeutic agents to treat them.
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Affiliation(s)
- Joseph L Calles
- Department of Psychiatry, College of Human Medicine, Michigan State University, A236 East Fee Hall, East Lansing, 48824, USA.
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Haller J, Kruk MR. Normal and abnormal aggression: human disorders and novel laboratory models. Neurosci Biobehav Rev 2006; 30:292-303. [PMID: 16483889 DOI: 10.1016/j.neubiorev.2005.01.005] [Citation(s) in RCA: 122] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2004] [Revised: 01/20/2005] [Accepted: 01/27/2005] [Indexed: 10/25/2022]
Abstract
We review here aggression-related human psychopathologies and propose that human aggressiveness is mainly due to three major factors: (i) brain dysfunction affecting aggression-controlling brain centers (e.g. in certain types of brain lesions, epilepsy, Alzheimer disease, etc.); (ii) hypoarousal associated with chronically low plasma glucocorticoids, which foster violence by diminishing emotional barriers that limit such behaviors (e.g. in conduct disorder and antisocial personality disorder); (iii) hyperarousal which leads to irritability and outbursts (e.g. in depression, intermittent explosive disorder, chronic fatigue, etc.). Different disorders are associated with different types of aggressiveness; e.g. hypoarousal is often associated with instrumental aggression, whereas hyperarousal is associated with uncontrollable outbursts. Many psychological disorders have been simulated in laboratory models, which were used to assess aggressiveness. Little effort was invested, however, in assessing the abnormal dimension of such aggressiveness. We present here three models that appear especially suitable to assess abnormal aspects of rodent aggression: (i) abnormal attack targeting (head, throat, and belly) that is induced by hypoarousal in rats and models violence in hypoarousal-driven human aggression (ii) 'escalated' aggression (increased aggressive response due to frustration or instigation), which models irritability and hyperarousal-driven aggressiveness; and (iii) context-independent attacks induced by hypothalamic stimulation or genetic manipulations. These three models address different aspects of abnormal aggressiveness, and can become extremely useful in three areas: in evaluating and assessing models of human psychopathologies, in studying transgenic animals, and in developing new treatment strategies. Research based on these or similar models do not address aggressiveness in quantitative terms, but follows the development of abnormal aspects, and the possibilities of their specific treatment.
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Affiliation(s)
- József Haller
- Institute of Experimental Medicine, P.O. Box 67, 1450 Budapest, Hungary.
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Abstract
OBJECTIVE Impulsive aggression is a common clinically significant symptom, but there are few controlled studies evaluating drug treatment. This study evaluated oxcarbazepine in patients with impulsive aggression and whether diagnosis or other baseline characteristics predict response. METHOD Eligible outpatients had clinically significant impulsive aggression, without other psychiatric symptoms clearly requiring treatment. Patients were randomized to oxcarbazepine or placebo, double-blind, for 10 weeks, at a variable dose increasing to 1200 mg/d if tolerated and to 2400 mg/d if aggression persisted. Primary outcome measures were (1) change in a Global Overt Aggression rating derived from the Overt Aggression Scale-Modified and (2) patient-rated global improvement. RESULTS Of 48 patients, 24 per group, 9 dropped out due to adverse events, but 45 completed at least 4 weeks on double-blind medication. Analyses showed consistent evidence of benefit from oxcarbazepine, compared with placebo, on both primary efficacy measures and most secondary measures. There were no significant interactions between diagnosis or other baseline characteristics and differential response to oxcarbazepine or placebo. CONCLUSION Oxcarbazepine appears to benefit adults with clinically significant impulsive aggression.
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Affiliation(s)
- Jeffrey A Mattes
- Psychopharmacology Research Association of Princeton, Princeton, NJ 08540, USA.
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Haller J, Mikics E, Halász J, Tóth M. Mechanisms differentiating normal from abnormal aggression: glucocorticoids and serotonin. Eur J Pharmacol 2005; 526:89-100. [PMID: 16280125 DOI: 10.1016/j.ejphar.2005.09.064] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2005] [Revised: 06/28/2005] [Accepted: 09/23/2005] [Indexed: 11/15/2022]
Abstract
Psychopathology-associated human aggression types are induced by a variety of conditions, are behaviorally variable, and show a differential pharmacological responsiveness. Thus, there are several types of abnormal human aggression. This diversity was not reflected by conventional laboratory approaches that focused on the quantitative aspects of aggressive behavior. Recently, several laboratory models of abnormal aggression were proposed, which mainly model hyperarousal-driven aggressiveness (characteristic to intermittent explosive disorder, post-traumatic stress disorder, depression, chronic burnout, etc.) and hypoarousal-driven aggressiveness (characteristic mainly to antisocial personality disorder and its childhood antecedent conduct disorder). Findings obtained with these models suggest that hyperarousal-driven aggressiveness has at its roots an excessive acute glucocorticoid stress response (and probably an exaggerated response of other stress-related systems), whereas chronic hypoarousal-associated aggressiveness is due to glucocorticoid deficits that affect brain function on the long term. In hypoarousal-driven aggressiveness, serotonergic neurotransmission appears to lose its impact on aggression (which it has in normal aggression), certain prefrontal neurons are weakly activated, whereas the central amygdala (no, or weakly involved in the control of normal aggression) acquires important roles. We suggest that the specific study of abnormal aspects of aggressive behavior would lead to important developments in understanding the specific mechanisms underlying different forms of aggression, and may ultimately lead to the development of better treatment approaches.
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Affiliation(s)
- Jozsef Haller
- Institute of Experimental Medicine, Hungarian Academy of Science, 1450 Budapest, P.O. Box 67, Hungary.
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Kawakami N, Takeshima T, Ono Y, Uda H, Hata Y, Nakane Y, Nakane H, Iwata N, Furukawa TA, Kikkawa T. Twelve-month prevalence, severity, and treatment of common mental disorders in communities in Japan: preliminary finding from the World Mental Health Japan Survey 2002-2003. Psychiatry Clin Neurosci 2005; 59:441-52. [PMID: 16048450 DOI: 10.1111/j.1440-1819.2005.01397.x] [Citation(s) in RCA: 274] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
To estimate the prevalence, severity, and treatment of Diagnostic and Statistical Manual of Mental Disorders (4th edn; DSM-IV) mental disorders in community populations in Japan, face-to-face household surveys were conducted in four community populations in Japan. A total of 1663 community adults responded (overall response rate, 56%). The DSM-IV disorders, severity, and treatment were assessed with the World Mental Health version of the World Health Organization (WHO) Composite International Diagnostic Interview (WMH-CIDI), a fully structured lay-administered psychiatric diagnostic interview. The prevalence of any WMH-CIDI/DSM-IV disorder in the prior year was 8.8%, of which 17% of cases were severe and 47% were moderate. Among specific disorders, major depression (2.9%), specific phobia (2.7%), and alcohol abuse/dependence (2.0%) were the most prevalent. Although disorder severity was correlated with probability of treatment, only 19% of the serious or moderate cases received medical treatment in the 12 months before the interview. Older and not currently married individuals had a greater risk of having more severe DSM-IV disorders if they had experienced any within the previous 12 months. Those who had completed high school or some college were more likely to seek medical treatment than those who had completed college. The study confirmed that the prevalence of DSM-IV mental disorders was equal to that observed in Asian countries but lower than that in Western countries. The percentage of those receiving medical treatment was low even for those who suffered severe or moderate disorders. Possible strategies are discussed.
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Affiliation(s)
- Norito Kawakami
- Hygiene and Preventive Medicine, Okayama University Graduate School of Medicine and Dentistry, Okayama, Japan.
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Kessler RC, Chiu WT, Demler O, Merikangas KR, Walters EE. Prevalence, severity, and comorbidity of 12-month DSM-IV disorders in the National Comorbidity Survey Replication. ACTA ACUST UNITED AC 2005; 62:617-27. [PMID: 15939839 PMCID: PMC2847357 DOI: 10.1001/archpsyc.62.6.617] [Citation(s) in RCA: 6972] [Impact Index Per Article: 366.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Little is known about the general population prevalence or severity of DSM-IV mental disorders. OBJECTIVE To estimate 12-month prevalence, severity, and comorbidity of DSM-IV anxiety, mood, impulse control, and substance disorders in the recently completed US National Comorbidity Survey Replication. DESIGN AND SETTING Nationally representative face-to-face household survey conducted between February 2001 and April 2003 using a fully structured diagnostic interview, the World Health Organization World Mental Health Survey Initiative version of the Composite International Diagnostic Interview. PARTICIPANTS Nine thousand two hundred eighty-two English-speaking respondents 18 years and older. MAIN OUTCOME MEASURES Twelve-month DSM-IV disorders. RESULTS Twelve-month prevalence estimates were anxiety, 18.1%; mood, 9.5%; impulse control, 8.9%; substance, 3.8%; and any disorder, 26.2%. Of 12-month cases, 22.3% were classified as serious; 37.3%, moderate; and 40.4%, mild. Fifty-five percent carried only a single diagnosis; 22%, 2 diagnoses; and 23%, 3 or more diagnoses. Latent class analysis detected 7 multivariate disorder classes, including 3 highly comorbid classes representing 7% of the population. CONCLUSION Although mental disorders are widespread, serious cases are concentrated among a relatively small proportion of cases with high comorbidity.
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Affiliation(s)
- Ronald C Kessler
- Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts 02115, USA.
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