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https://www.readbyqxmd.com/read/28502766/anterior-cingulate-serotonin-1b-receptor-binding-is-associated-with-emotional-response-inhibition
#1
Sofi da Cunha-Bang, Liv Vadskjær Hjordt, Vibeke Høyrup Dam, Dea Siggaard Stenbæk, Dorte Sestoft, Gitte M Knudsen
Serotonin has a well-established role in emotional processing and is a key neurotransmitter in impulsive aggression, presumably by facilitating response inhibition and regulating subcortical reactivity to aversive stimuli. In this study 44 men, of whom 19 were violent offenders and 25 were non-offender controls, completed an emotional Go/NoGo task requiring inhibition of prepotent motor responses to emotional facial expressions. We also measured cerebral serotonin 1B receptor (5-HT1BR) binding with [(11)C]AZ10419369 positron emission tomography within regions of the frontal cortex...
May 8, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28493489/a-path-model-of-different-forms-of-impulsivity-with-externalizing-and-internalizing-psychopathology-towards-greater-specificity
#2
Sheri L Johnson, Jordan A Tharp, Andrew D Peckham, Charles S Carver, Claudia M Haase
OBJECTIVES: A growing empirical literature indicates that emotion-related impulsivity (compared to impulsivity that is unrelated to emotion) is particularly relevant for understanding a broad range of psychopathologies. Recent work, however, has differentiated two forms of emotion-related impulsivity: A factor termed Pervasive Influence of Feelings captures tendencies for emotions (mostly negative emotions) to quickly shape thoughts, and a factor termed Feelings Trigger Action captures tendencies for positive and negative emotions to quickly and reflexively shape behaviour and speech...
May 11, 2017: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28488040/the-role-of-serotonin-in-personality-inference-tryptophan-depletion-impairs-the-identification-of-neuroticism-in-the-face
#3
Robert Ward, Shubha Sreenivas, Judi Read, Kate E A Saunders, Robert D Rogers
Serotonergic mechanisms mediate the expression of personality traits (such as impulsivity, aggression and anxiety) that are linked to vulnerability to psychological illnesses, and modulate the identification of emotional expressions in the face as well as learning about broader classes of appetitive and aversive signals. Faces with neutral expressions signal a variety of socially relevant information, such that inferences about the big five personality traits, including Neuroticism, Extraversion and Agreeableness, can be accurately made on the basis of emotionally neutral facial photographs...
May 9, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28402839/borderline-personality-disorder-symptoms-and-criminal-justice-system-involvement-the-roles-of-emotion-driven-difficulties-controlling-impulsive-behaviors-and-physical-aggression
#4
Kelly E Moore, Matthew T Tull, Kim L Gratz
OBJECTIVE: Borderline personality disorder (BPD) is associated with elevated risk for a variety of risky behaviors, including criminal behaviors. Yet, limited research has examined the relation of BPD to criminal justice (CJ) involvement, or the mechanisms underlying this relation. PROCEDURES: This study examined the role of two mechanisms, emotion-driven difficulties controlling impulsive behaviors and physical aggression, in the relation between BPD symptom severity and CJ involvement among 118 patients in residential substance abuse treatment (76% male; 62% African-American)...
March 15, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28384034/difficulties-in-emotion-regulation-and-risky-driving-among-lithuanian-drivers
#5
Laura Šeibokaitė, Auksė Endriulaitienė, Mark J M Sullman, Rasa Markšaitytė, Kristina Žardeckaitė-Matulaitienė
BACKGROUND: Risky driving is a common cause of traffic accidents and injuries. However, there is no clear evidence of how difficulties in emotion regulation contribute to risky driving behaviour, particularly in small Post-Soviet countries. The present study aimed to investigate the relationship between difficulties in emotion regulation and self-reported risky driving behaviour in a sample of Lithuanian drivers. METHODS: A total of 246 non-professional Lithuanian drivers participated in a cross-sectional survey...
April 6, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28377176/short-and-long-range-functional-connectivity-density-alterations-in-adolescents-with-pure-conduct-disorder-at-resting-state
#6
Feng-Mei Lu, Jian-Song Zhou, Xiao-Ping Wang, Yu-Tao Xiang, Zhen Yuan
Conduct disorder (CD) is a developmental disorder defined by a repetitive and persistent display of antisocial and aggressive behaviors that violates the rights of others or basic social rules. Recently, resting-state functional magnetic resonance imaging (rsfMRI) has been widely adopted to investigate the altered intrinsic neural activities and the disrupted endogenous brain connectivity of CD. In this study, functional connectivity density (FCD) mapping, a newly developed ultrafast voxel-wise method based on rsfMRI, was applied for the first time to examine the changes in the brain functional connectivity in CD at the voxel level...
April 1, 2017: Neuroscience
https://www.readbyqxmd.com/read/28368772/the-role-of-impulsivity-dimensions-in-the-relation-between-probable-posttraumatic-stress-disorder-and-aggressive-behavior-among-substance-users
#7
Nicole H Weiss, Kevin M Connolly, Kim L Gratz, Matthew T Tull
OBJECTIVE: Individuals with co-occurring posttraumatic stress disorder (PTSD) and substance use disorder report heightened levels of numerous risky and health-compromising behaviors, including aggressive behaviors. Given evidence that aggressive behavior is associated with negative substance use disorder treatment outcomes, research is needed to identify the factors that may account for the association between PTSD and aggressive behavior among patients with substance use disorder. Thus, the goal of this study was to examine the role of impulsivity dimensions (i...
April 2017: Journal of Dual Diagnosis
https://www.readbyqxmd.com/read/28344674/relationships-between-individual-endorsement-of-aggressive-behaviors-and-thoughts-with-prejudice-relevant-correlates-among-adolescents
#8
Giovanni Piumatti, Cristina Mosso
The current study explored how individual differences in endorsement of aggressive behaviors and thoughts relate to individual levels of tolerance and prejudice toward immigrants and established prejudice correlates such as social dominance orientation (SDO) and ethnic out-groups ratings among adolescents. Participants (N = 141; Age M = 16.08, 68% girls) completed the Readiness for Interpersonal Aggression Inventory, the Tolerance and Prejudice Questionnaire, and measures of SDO and ethnic out-groups ratings...
March 2017: Europe's journal of psychology
https://www.readbyqxmd.com/read/28296207/understanding-the-relationship-between-suicidality-current-depressed-mood-personality-and-cognitive-factors
#9
Shri Cameron, Verity J Brown, Barbara Dritschel, Kevin Power, Malcolm Cook
OBJECTIVES: Links between suicidality and depressed mood are well established. There is, however, little information about the emotional regulation processes that underlie the relationship between suicidality and current low mood, and how these processes differ between groups of never-suicidal (NS), suicidal ideators, and suicide attempters. As suicidality and depression are heterogeneous constructs, this study aimed to conduct within- and between-group comparisons of known suicide risk factors that are associated with emotion regulation (neuroticism, trait aggression, brooding, impulsivity, and overgeneral autobiographical memories)...
March 11, 2017: Psychology and Psychotherapy
https://www.readbyqxmd.com/read/28271371/a-longitudinal-empirical-investigation-of-the-pathways-model-of-problem-gambling
#10
Youssef Allami, Frank Vitaro, Mara Brendgen, René Carbonneau, Éric Lacourse, Richard E Tremblay
The pathways model of problem gambling suggests the existence of three developmental pathways to problem gambling, each differentiated by a set of predisposing biopsychosocial characteristics: behaviorally conditioned (BC), emotionally vulnerable (EV), and biologically vulnerable (BV) gamblers. This study examined the empirical validity of the Pathways Model among adolescents followed up to early adulthood. A prospective-longitudinal design was used, thus overcoming limitations of past studies that used concurrent or retrospective designs...
March 7, 2017: Journal of Gambling Studies
https://www.readbyqxmd.com/read/28152466/aggressive-behavior-and-self-harm-in-borderline-personality-disorder-the-role-of-impulsivity-and-emotion-dysregulation-in-a-sample-of-outpatients
#11
Laura Terzi, Francesca Martino, Domenico Berardi, Biancamaria Bortolotti, Anna Sasdelli, Marco Menchetti
Impulsivity has often been related to aggressive and self-mutilative behavior in Borderline Personality Disorder (BPD). Many authors focused on the key role of emotion dysregulation in explaining vulnerability to dysfunctional behavior in BPD in addition to trait impulsivity. Furthermore, recent works have shed light on a gap in empirical research concerning the specific mechanisms by which a lack of affective regulation produces aggression proneness. The purpose of the study was to investigate the role of impulsivity and emotion dysregulation in determining vulnerability to aggression and deliberate self-harm in a sample of BPD outpatients...
March 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28039797/impulsivity-and-aggression-mediate-regional-brain-responses-in-borderline-personality-disorder-an-fmri-study
#12
Paul H Soloff, Kristy Abraham, Ashley Burgess, Karthik Ramaseshan, Asadur Chowdury, Vaibhav A Diwadkar
Fronto-limbic brain networks involved in regulation of impulsivity and aggression are abnormal in Borderline Personality Disorder (BPD). However, it is unclear whether, or to what extent, these personality traits actually modulate brain responses during cognitive processing. Using fMRI, we examined the effects of trait impulsivity, aggression, and depressed mood on regional brain responses in 31 female BPD and 25 control subjects during a Go No-Go task using Ekman faces as targets. First-level contrasts modeled effects of negative emotional context...
February 28, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28007464/proneness-to-aggression-and-its-inhibition-in-schizophrenia-interconnections-between-personality-traits-cognitive-function-and-emotional-processing
#13
Menahem I Krakowski, Pal Czobor
OBJECTIVE: Research on aggression in schizophrenia has focused on narrowly defined deficits, while ignoring interconnections among these impairments which provide better explanatory power. Our goal was to investigate interrelations among impairments in important domains related to aggression: personality traits, including psychopathy and impulsivity, cognition and processing of emotions. METHOD: 34 healthy controls, 37 high aggression (HAG) and 31 low aggression (LAG) patients with schizophrenia participated...
December 19, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27942448/brain-connectivity-aberrations-in-anabolic-androgenic-steroid-users
#14
Lars T Westlye, Tobias Kaufmann, Dag Alnæs, Ingunn R Hullstein, Astrid Bjørnebekk
Sustained anabolic-androgenic steroid (AAS) use has adverse behavioral consequences, including aggression, violence and impulsivity. Candidate mechanisms include disruptions of brain networks with high concentrations of androgen receptors and critically involved in emotional and cognitive regulation. Here, we tested the effects of AAS on resting-state functional brain connectivity in the largest sample of AAS-users to date. We collected resting-state functional magnetic resonance imaging (fMRI) data from 151 males engaged in heavy resistance strength training...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27935229/cortico-limbic-connectivity-in-maoa-l-carriers-is-vulnerable-to-acute-tryptophan-depletion
#15
Patrick Eisner, Martin Klasen, Dhana Wolf, Klaus Zerres, Thomas Eggermann, Albrecht Eisert, Mikhail Zvyagintsev, Pegah Sarkheil, Krystyna A Mathiak, Florian Zepf, Klaus Mathiak
INTRODUCTION: A gene-environment interaction between expression genotypes of the monoamine oxidase A (MAOA) and adverse childhood experience increases the risk of antisocial behavior. However, the neural underpinnings of this interaction remain uninvestigated. A cortico-limbic circuit involving the prefrontal cortex (PFC) and the amygdala is central to the suppression of aggressive impulses and is modulated by serotonin (5-HT). MAOA genotypes may modulate the vulnerability of this circuit and increase the risk for emotion regulation deficits after specific life events...
December 9, 2016: Human Brain Mapping
https://www.readbyqxmd.com/read/27887008/can-sluggish-cognitive-tempo-be-distinguished-from-adhd-inattention-in-very-young-children-evidence-from-a-sample-of-korean-preschool-children
#16
SoYean Lee, G Leonard Burns, Stephen P Becker
OBJECTIVE: This study evaluated whether sluggish cognitive tempo (SCT) is separable from ADHD-inattention (IN) and uniquely associated with internalizing dimensions in preschool children in South Korea. METHOD: Mothers of 172 preschool children (ages 4-6 years; 52% girls) rated children's SCT, ADHD-IN, ADHD-hyperactivity/impulsivity (HI), oppositional defiant disorder (ODD), aggression, emotional reactivity, anxiety/depression, somatic complaints, withdrawal, and sleep problems...
November 24, 2016: Journal of Attention Disorders
https://www.readbyqxmd.com/read/27808535/combating-the-sting-of-rejection-with-the-pleasure-of-revenge-a-new-look-at-how-emotion-shapes-aggression
#17
David S Chester, C Nathan DeWall
How does emotion explain the relationship between social rejection and aggression? Rejection reliably damages mood, leaving individuals motivated to repair their negatively valenced affective state. Retaliatory aggression is often a pleasant experience. Rejected individuals may then harness revenge's associated positive affect to repair their mood. Across 6 studies (total N = 1,516), we tested the prediction that the rejection-aggression link is motivated by expected and actual mood repair. Further, we predicted that this mood repair would occur through the positive affect of retaliatory aggression...
March 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/27804047/chimpanzee-personality-and-the-arginine-vasopressin-receptor-1a-genotype
#18
V A D Wilson, A Weiss, T Humle, N Morimura, T Udono, G Idani, T Matsuzawa, S Hirata, M Inoue-Murayama
Polymorphisms of the arginine vasopressin receptor 1a (AVPR1a) gene have been linked to various measures related to human social behavior, including sibling conflict and agreeableness. In chimpanzees, AVPR1a polymorphisms have been associated with traits important for social interactions, including sociability, joint attention, dominance, conscientiousness, and hierarchical personality dimensions named low alpha/stability, disinhibition, and negative emotionality/low dominance. We examined associations between AVPR1a and six personality domains and hierarchical personality dimensions in 129 chimpanzees (Pan troglodytes) living in Japan or in a sanctuary in Guinea...
March 2017: Behavior Genetics
https://www.readbyqxmd.com/read/27785656/short-term-intervention-effects-of-the-paths-curriculum-in-young-low-income-children-capitalizing-on-plasticity
#19
Diana H Fishbein, Celene Domitrovich, Jason Williams, Stephanie Gitukui, Charles Guthrie, Daniel Shapiro, Mark Greenberg
Deficits in behavioral and cognitive regulation are prevalent in children reared in poverty relative to more affluent children due to the effects of adverse conditions on the developmental underpinnings of these skills. Despite evidence to suggest that these emergent processes are susceptible to environmental inputs, research documenting short-term intervention program influences on these regulatory domains in young impoverished children is limited. We sought to determine the proximal effects of a universal school-based intervention (the PATHS Curriculum) on social, emotional, relational, and cognitive outcomes in urban poor kindergarten children...
October 26, 2016: Journal of Primary Prevention
https://www.readbyqxmd.com/read/27766650/neural-correlates-of-proactive-and-reactive-aggression-in-adolescent-twins
#20
Yaling Yang, Shantanu H Joshi, Neda Jahanshad, Paul M Thompson, Laura A Baker
Verbal and physical aggression begin early in life and steadily decline thereafter in normal development. As a result, elevated aggressive behavior in adolescence may signal atypical development and greater vulnerability for negative mental and health outcomes. Converging evidence suggests that brain disturbances in regions involved in impulse control, emotional regulation, and sensation seeking may contribute to heightened aggression. However, little is known regarding the neural mechanisms underlying subtypes of aggression (i...
May 2017: Aggressive Behavior
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