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1.
BMC Womens Health ; 24(1): 319, 2024 Jun 01.
Artículo en Inglés | MEDLINE | ID: mdl-38824574

RESUMEN

BACKGROUND: Childhood victimization has been associated with long-term psychological effects and an increased risk of being victimized in later life. Previous research has primarily focused on sexual abuse during childhood, and a wide range of consequences have been identified. However, a significant gap remains in our understanding of the complex interaction between different forms of childhood abuse and violence in later life, particularly in the context of broader social stressors such as armed conflict and displacement. METHODS: This study examines the association between exposure to different types of childhood maltreatment in the context of family and intimate partner violence (IPV) among displaced women living in refugee camps in northern Iraq. Structured interviews were conducted by trained female psychologists with 332 women aged between 20 and 62 years. RESULTS: Results indicated that over one-third of the participating women reported experiencing at least one occurrence of IPV by their husbands within the past year. In addition, participants reported experiences of different types of maltreatment (physical, emotional, and sexual violence and physical and emotional neglect) perpetrated by family members in their childhood. While all forms of childhood maltreatment showed an association with IPV within the past year, only emotional childhood maltreatment was found to be a significant predictor of IPV in a multivariate analysis. CONCLUSION: The study highlights the ongoing impact of child maltreatment and its contribution to increased vulnerability to IPV victimization in later life. In addition, this study describes the specific cultural and contextual elements that contribute to IPV in refugee camps.


Asunto(s)
Víctimas de Crimen , Violencia de Pareja , Refugiados , Humanos , Femenino , Adulto , Violencia de Pareja/psicología , Violencia de Pareja/estadística & datos numéricos , Refugiados/psicología , Refugiados/estadística & datos numéricos , Persona de Mediana Edad , Irak , Víctimas de Crimen/psicología , Víctimas de Crimen/estadística & datos numéricos , Adulto Joven , Adultos Sobrevivientes del Maltrato a los Niños/psicología , Adultos Sobrevivientes del Maltrato a los Niños/estadística & datos numéricos , Campos de Refugiados , Maltrato a los Niños/psicología , Maltrato a los Niños/estadística & datos numéricos , Conflictos Armados/psicología
2.
BMC Public Health ; 23(1): 1503, 2023 08 08.
Artículo en Inglés | MEDLINE | ID: mdl-37553618

RESUMEN

In the general population, prevalence rates of cyberbullying victimization have continuously increased over the past decades. However, the extent to which these increasing numbers affect clinical populations seeking treatment in outpatient services remains an open question. The present study sought to examine whether the increase of cyberbullying victimization is also reflected by increased reports of cyberbullying victimization in a clinical outpatient population. In addition, we assessed the incremental contribution of experiences of cyberbullying in the prediction of psychological symptoms when controlling for histories of childhood maltreatment and offline peer victimization. For this purpose, we analyzed routine data from N = 827 outpatients who had sought treatment at a University outpatient clinic for psychotherapy between 2012 and 2021 in a cross-sectional study design. Analyses showed that 8.3% of the patients born in the years 1980 to 2002 indicated the experience of cyberbullying victimization in their adolescence. The rate of reported cyberbullying victimization increased from 1 to 3% in patients born in the years 1980 to 1987 to 24% in patients born in the year 2000. A logistic regression revealed that patients born in the years 1995-2002 were up to nineteen times as likely to report cyberbullying victimization as patients born in the years 1980-1982. In addition, hierarchical multiple regression analyses indicated that cyberbullying victimization significantly accounted for an incremental proportion of variance (1%) in the prediction of psychological symptom distress after controlling for child maltreatment and offline peer victimization. In conclusion, this retrospective survey indicates an increase of the clinical relevance of cyberbullying victimization both in frequency of and potential contribution to etiology. Raising attention to cyberbullying in clinical care and research seems to be justified and warranted.


Asunto(s)
Acoso Escolar , Víctimas de Crimen , Ciberacoso , Adolescente , Adulto , Humanos , Acoso Escolar/psicología , Estudios Transversales , Pacientes Ambulatorios , Estudios Retrospectivos
3.
Cogn Affect Behav Neurosci ; 21(2): 426-444, 2021 04.
Artículo en Inglés | MEDLINE | ID: mdl-33721228

RESUMEN

Depression is associated with abnormalities in patterns of information processing, particularly in the context of processing of interpersonal information. The present study was designed to investigate the differences in depressive individuals in cortical processing of facial stimuli when neutral faces were presented in a context that involved information about emotional valence as well as self-reference. In 21 depressive patients and 20 healthy controls, event-related potentials (ERPs) were recorded during the presentation of neutral facial expressions, which were accompanied by affective context information that was either self- or other-related. Across conditions, depressive patients showed larger mean P100 amplitudes than healthy controls. Furthermore, mean late positive potential (LPP) amplitudes of depressive patients were larger in response to faces in self-related than in other-related context. In addition, irrespective of self-reference, mean LPP responses of depressive patients to faces presented after socially threatening sentences were larger compared with faces presented after neutral sentences. Results regarding self-reference supported results of previous studies indicating larger mean amplitudes in self-related conditions. Findings suggest a general heightened initial responsiveness to emotional cues and a sustained emotion processing of socially threatening information in depressive patients.


Asunto(s)
Depresión , Electroencefalografía , Emociones , Potenciales Evocados , Expresión Facial , Femenino , Humanos
4.
Cogn Affect Behav Neurosci ; 15(4): 736-48, 2015 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-25967930

RESUMEN

Recent studies have shown that the perceptual processing of human faces is affected by context information, such as previous experiences and information about the person represented by the face. The present study investigated the impact of verbally presented information about the person that varied with respect to affect (neutral, physically threatening, socially threatening) and reference (self-referred, other-referred) on the processing of faces with an inherently neutral expression. Stimuli were presented in a randomized presentation paradigm. Event-related potential (ERP) analysis demonstrated a modulation of the evoked potentials by reference at the EPN (early posterior negativity) and LPP (late positive potential) stage and an enhancing effect of affective valence on the LPP (700-1000 ms) with socially threatening context information leading to the most pronounced LPP amplitudes. We also found an interaction between reference and valence with self-related neutral context information leading to more pronounced LPP than other related neutral context information. Our results indicate an impact of self-reference on early, presumably automatic processing stages and also a strong impact of valence on later stages. Using a randomized presentation paradigm, this study confirms that context information affects the visual processing of faces, ruling out possible confounding factors such as facial configuration or conditional learning effects.


Asunto(s)
Encéfalo/fisiología , Reconocimiento Facial/fisiología , Percepción Social , Adulto , Electroencefalografía , Potenciales Evocados , Femenino , Humanos , Masculino , Pruebas Neuropsicológicas , Estimulación Luminosa , Autoimagen , Adulto Joven
5.
Soc Cogn Affect Neurosci ; 19(1)2024 Jun 17.
Artículo en Inglés | MEDLINE | ID: mdl-38874968

RESUMEN

Peer victimization contributes to the development of major depressive disorders (MDDs). While previous studies reported differentiated peripheral physiological responses in peer-victimized individuals with depression, little is known about potential alterations of cortical event-related potentials (ERPs) in response to social stimuli in depressive patients with a history of peer victimization. Using a social condition paradigm, the present study examined whether peer victimization alters conditioned cortical responses to potentially threatening social stimuli in MDD patients and healthy controls. In the task, we studied ERPs to conditioned stimuli (CSs), i.e. still images of faces, that were coupled to unconditioned socially negative and neutral evaluative video statements. Peer victimization was related to more pronounced P100 amplitudes in reaction to negative and neutral CSs. Attenuated P200 amplitudes in peer-victimized individuals were found in response to negative CSs. Cortical responses to CSs were not influenced by a diagnosis of MDD. The results suggest altered responsiveness to interpersonal information in peer-victimized individuals. Facilitated early processing of social threat indicators may prevent peer-victimized individuals from adaptive responses to social cues, increasing their vulnerability for depression.


Asunto(s)
Víctimas de Crimen , Trastorno Depresivo Mayor , Electroencefalografía , Potenciales Evocados , Grupo Paritario , Humanos , Trastorno Depresivo Mayor/fisiopatología , Trastorno Depresivo Mayor/psicología , Femenino , Masculino , Adulto , Electroencefalografía/métodos , Potenciales Evocados/fisiología , Víctimas de Crimen/psicología , Estrés Psicológico/fisiopatología , Estrés Psicológico/psicología , Adulto Joven , Corteza Cerebral/fisiopatología , Corteza Cerebral/fisiología , Persona de Mediana Edad , Percepción Social , Estimulación Luminosa/métodos , Acoso Escolar/psicología
6.
BMC Public Health ; 13: 980, 2013 Oct 20.
Artículo en Inglés | MEDLINE | ID: mdl-24139055

RESUMEN

BACKGROUND: Representative data about the frequency of child maltreatment is needed in order to estimate the extent of the problem in the wider population as well as to provide the basis for interpretation of frequency rates in clinical samples. However, previous representative studies on the frequency of child maltreatment in Germany and other countries were limited as they focused on the assessment of physical and sexual abuse whilst emotional forms of maltreatment were ignored. In addition, previous studies applied scales that had not been validated against external criteria. METHODS: In a cross-sectional study, standardized questionnaires were administered to a representative sample of the German population. Maltreatment in childhood and adolescence was assessed using the German version of the Childhood Trauma Questionnaire. Empirically derived threshold values for the five different types of child maltreatment including emotional maltreatment were applied to determine presence of abuse and neglect. RESULTS: Complete data was available from N = 2,500 subjects. Prevalence rates were 13.9% for emotional neglect, 10.2% for emotional abuse, 12.0% for physical abuse, 48.4% for physical neglect, and 6.2% for sexual abuse. Differences between sexes were found for the frequency of sexual abuse. CONCLUSIONS: Although our analysis has found lower rates of child maltreatment than previous reports that used less well validated criteria, the results of this study confirm that child abuse, with its many different facets, is a significant problem in Germany.


Asunto(s)
Maltrato a los Niños/estadística & datos numéricos , Emociones , Adolescente , Adulto , Adultos Sobrevivientes del Maltrato a los Niños , Anciano , Anciano de 80 o más Años , Maltrato a los Niños/psicología , Abuso Sexual Infantil/estadística & datos numéricos , Estudios Transversales , Femenino , Alemania/epidemiología , Humanos , Masculino , Persona de Mediana Edad , Prevalencia , Encuestas y Cuestionarios , Violencia , Adulto Joven
7.
Front Psychol ; 14: 1127381, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-36949914

RESUMEN

Introduction: Previous research has indicated altered attentional processing in individuals with experiences of maltreatment or victimization in childhood and adolescence. The present study examined the impact of child and adolescent experiences of relational peer victimization on attentional processes in adulthood when confronted with emotional facial expressions. Methods: As part of an online study, a community sample of adults completed a facial dot-probe task. In the present task, pictures of facial expressions displaying four different emotions (anger, disgust, happiness, and sadness) were used. Results: The results of the hierarchical regression analyses showed that retrospective reports of peer victimization made a significant contribution to the prediction of facilitated orienting processes for sad facial expressions. Experiences of emotional child maltreatment, on the other hand, made a significant contribution to the prediction of attentional biases for angry facial expressions. Discussion: Our results emphasize the relevance of experiences of emotional and relational maltreatment in childhood and in adolescence for the processing of social stimuli in adulthood. The findings regarding emotional child maltreatment are more indicative of attentional biases in the context of threat detection, whereas the altered attentional processes in peer victimization are more indicative of mood-congruent biases. These altered processes may be active in social situations and may therefore influence future social situations, behavior, feelings, and thus mental health.

8.
Biol Psychol ; 184: 108697, 2023 11.
Artículo en Inglés | MEDLINE | ID: mdl-37775029

RESUMEN

Peer victimization is a risk factor for the development of major depressive disorders, but little is known about the mechanisms. This study examined whether peer victimization alters physiological and affective responses to potentially threatening social stimuli. For this purpose, reactions to socially evaluative stimuli of depressive patients and healthy controls with varying histories of peer victimization were compared. In a social conditioning task, we studied heart rate responses to unconditioned socially negative and neutral evaluative video statements, followed by the heart rate reactions to conditioned stimuli, i.e. still images of the faces of the same actors. Diagnosis of depression and peer victimization were both associated with a more pronounced heart rate deceleration in response to unconditioned stimuli, irrespective of valence. The effect of peer victimization was stronger in depressive patients than in healthy controls. However, heart rate responses to the CSs were not related to depression or peer victimization. The results indicate a hypervigilant processing of social stimuli in depressive patients reporting histories of peer victimization. This distinct processing may be associated with inappropriate behavioral and emotional responses to social challenges, putting individuals at risk for depressive symptoms.


Asunto(s)
Acoso Escolar , Víctimas de Crimen , Trastorno Depresivo Mayor , Humanos , Depresión/psicología , Grupo Paritario , Emociones , Víctimas de Crimen/psicología , Acoso Escolar/psicología
9.
Brain Behav ; 13(3): e2904, 2023 03.
Artículo en Inglés | MEDLINE | ID: mdl-36749180

RESUMEN

BACKGROUND: The recent update of the International Classification of Diseases 11th revision (ICD-11) introduced the diagnosis of complex posttraumatic stress disorder (CPTSD) as a distinct entity from posttraumatic stress disorder (PTSD). Because psychophysiological alterations are a core diagnostic feature of PTSD and CPTSD, the aim of the current study was to examine potential distinctive patterns in cortical and cardiac responses to emotional words in adolescent and young adult patients with PTSD and CPTSD. METHOD: Event-related potentials and heart rate responses were studied in 81 adolescent and young adult participants, of which 17 individuals were diagnosed with ICD-11 PTSD and 32 individuals with CPTSD, each after childhood sexual and/or physical abuse. Thirty-two individuals served as healthy controls. The paradigm consisted of a passive reading task with neutral, positive, physically threatening, and socially threatening words. RESULTS: Differentiated early processing of emotional words was indicated by differences on P1 and left EPN components. Additionally, PTSD and CPTSD patients presented with specific patterns of heart rate responses to emotional words. In CPTSD patients, heart rate reactions to emotional words were more variable than in PTSD patients. CONCLUSIONS: These findings provide early evidence of differentiated cortical and cardiac response patterns in adolescent and young adult patients with CPTSD and PTSD, supporting a nosological distinction between PTSD and complex PTSD. However, due to small and unequal sample sizes, findings presented in the current study are preliminary and require future research.


Asunto(s)
Maltrato a los Niños , Trastornos por Estrés Postraumático , Niño , Humanos , Adulto Joven , Adolescente , Trastornos por Estrés Postraumático/psicología , Clasificación Internacional de Enfermedades , Señales (Psicología) , Emociones
11.
BMC Psychiatry ; 12: 49, 2012 May 25.
Artículo en Inglés | MEDLINE | ID: mdl-22632167

RESUMEN

BACKGROUND: Previous studies reported that social phobia is associated with a history of child maltreatment. However, most of these studies focused on physical and sexual maltreatment whilst little is known about the specific impact of emotional abuse and neglect on social anxiety. We examined the association between emotional maltreatment, including parental emotional maltreatment as well as emotional peer victimization, and social anxiety symptoms in subjects with various degrees of social anxiety. METHODS: The study was conducted as a web-based Internet survey of participants (N = 995) who had social anxiety symptoms falling within the high range, and including many respondents who had scores in the clinical range. The assessment included measures of child maltreatment, emotional peer victimization, social anxiety symptoms and general psychopathology. RESULTS: Regression and mediation analyses revealed that parental emotional maltreatment and emotional peer victimization were independently related to social anxiety and mediated the impact of physical and sexual maltreatment. Subjects with a history of childhood emotional maltreatment showed higher rates of psychopathology than subjects with a history of physical maltreatment. CONCLUSIONS: Although our findings are limited by the use of an Internet survey and retrospective self-report measures, data indicated that social anxiety symptoms are mainly predicted by emotional rather than physical or sexual types of victimization.


Asunto(s)
Acoso Escolar/psicología , Maltrato a los Niños/psicología , Relaciones Padres-Hijo , Trastornos Fóbicos/etiología , Adulto , Niño , Abuso Sexual Infantil/psicología , Femenino , Encuestas Epidemiológicas/instrumentación , Encuestas Epidemiológicas/métodos , Humanos , Internet/estadística & datos numéricos , Masculino , Grupo Paritario , Escalas de Valoración Psiquiátrica , Análisis de Regresión , Índice de Severidad de la Enfermedad , Encuestas y Cuestionarios
12.
Front Psychol ; 13: 784147, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35310289

RESUMEN

Background: Different types of maltreatment (emotional, physical, and sexual) lead to distortions in emotion and attention processing. The present study investigated whether the experience of peer victimization in childhood and adolescence has an additional influence on attention processing in adulthood. Methods: Two non-clinical samples consisting of individuals with different levels of experiences of maltreatment were recruited. In an evaluative conditioning task, images of faces with neutral emotional expression were either associated with short videos of intense negative statements, or associated with neutral videos. Subsequently, these faces were used as stimuli in an emotional Stroop task as well as a dot-probe task. Results: In both tasks, hierarchical regression analyses revealed that retrospective reports of relational peer victimization made an incremental contribution to the prediction of attentional biases beyond child maltreatment. In the emotional Stroop task, emotional abuse was the strongest predictor for an attentional bias showing delayed responses to negatively associated faces, while peer victimization was associated with faster responses to negatively associated faces. In the dot-probe task, relational peer victimization was the strongest predictor for an attentional bias. When the attentional bias was examined in more detail, though, peer victimization did not show incremental contributions although emotional abuse remained the strongest predictor for facilitated attention toward negatively associated neutral faces. Conclusion: Experiences of peer victimization leave additional cognitive scars beyond effects of childhood maltreatment by caregivers. It is likely that attentional biases in the aftermath of victimization put individuals at risk for the development of psychopathology.

13.
Front Psychiatry ; 12: 692492, 2021.
Artículo en Inglés | MEDLINE | ID: mdl-34295277

RESUMEN

Childhood maltreatment is a common phenomenon in various psychiatric disorders. Accordingly, patients with disorders from the schizophrenia spectrum (SSD) appear to have high prevalence rates of childhood maltreatment. However, the interpretation and comparability of prevalence rates is impeded by methodological weaknesses and differences such as measures and thresholds used in previous studies. Therefore, we aimed to provide and compare systematically captured data on prevalence rates of all common types of childhood maltreatment in patients with SSD using a standardized and well-established questionnaire and the most frequently used thresholds. The sample consisted of 48 patients with a primary diagnosis of SSD. 58.3-77.1% of the sample experienced at least one type of childhood maltreatment. Prevalence rates for physical abuse, physical neglect, and emotional abuse were dependent on the thresholds used, while equal rates were found for emotional neglect and sexual abuse. Physical neglect (46-67%), and emotional abuse (44-48%) were most commonly reported, followed by emotional neglect (38%), physical abuse (25-38%), and sexual abuse (25%). Additionally, high levels of peer victimization were reported by SSD patients. It appears that childhood maltreatment is a common phenomenon in SSD, even though methodological details, especially cut-off scores, have a substantial impact on the prevalence rates that are determined. Therefore, the methodology of studies should be closely examined when drawing conclusions from presented prevalence rates.

14.
Front Psychol ; 11: 732, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32373037

RESUMEN

BACKGROUND: Distorted cognitive processing has been found among survivors of child maltreatment. However, different types of abuse and neglect may bring about differences in emotion and attention processing. The present study aimed to detect differential associations between various types of childhood maltreatment and attentional biases in facial emotion processing. METHODS: A non-clinical sample was recruited on University campus and consisted of 67 individuals with varying degrees of maltreatment. In an evaluative conditioning task, images of faces with neutral emotional expressions were either associated with short videos of intense negative statements, or associated with neutral videos. Subsequently, these faces were used as stimuli in a face in the crowd recognition task in which the familiar faces had to be recognized within a crowd of unfamiliar neutral faces. RESULTS: In multiple linear regression analyses controlling for the intercorrelatedness of types of maltreatment, differential relationships between types of maltreatment and attentional bias were found. While emotional abuse was associated with faster detection of negatively associated faces, emotional neglect was associated with an impaired recognition of familiar stimuli regardless of the emotional content. CONCLUSION: Results indicated that interindividual differences in cognitive biases may be due to the activation of diverse cognitive schemas based on differential experiences of maltreatment.

15.
Psychophysiology ; 57(1): e13470, 2020 01.
Artículo en Inglés | MEDLINE | ID: mdl-31456251

RESUMEN

Post-traumatic stress disorder (PTSD) is associated with alterations in cardiac reactivity to threat cues. Meta-analyses have summarized that adults with PTSD have increased heart rates in response to trauma-related stimuli. However, the opposite effect (i.e., cardiac hyporeactivity) has recently been reported in subgroups of PTSD patients. In children and adolescents with PTSD, reports of cardiac alterations are rare and ambiguous. So far, most studies in adolescents and young adults are restricted to victims of accidents, even though PTSD is highly prevalent in victims of child maltreatment. The present study aimed at investigating cardiac reactions in adolescents and young adults with PTSD after child abuse. Cardiac responses to standardized emotional words were studied in 39 adolescent and young adult PTSD patients after childhood sexual and/or physical abuse as compared to 39 healthy control subjects (age range: 15-20 years). The experimental paradigm consisted of a passive reading task with neutral, positive, physically threatening, and socially threatening (swear) words. Results showed that cardiac reactions to negative stimuli, particularly physically threatening stimuli, were less pronounced in PTSD patients than in controls. Moreover, cardiac reactions in response to socially threatening words were less variable in the PTSD group. No differences between and within groups were present in reaction to neutral or positive stimuli. Findings suggest that a physiologically blunted subtype of PTSD may already manifest during adolescence and young adulthood. Moreover, the results of the present study emphasize the relevance of individual trauma history for physiological reactions.


Asunto(s)
Maltrato a los Niños , Emociones/fisiología , Frecuencia Cardíaca/fisiología , Trauma Psicológico/fisiopatología , Lectura , Trastornos por Estrés Postraumático/fisiopatología , Adolescente , Adulto , Electrocardiografía , Femenino , Humanos , Masculino , Trauma Psicológico/complicaciones , Trastornos por Estrés Postraumático/etiología , Adulto Joven
16.
BMC Psychol ; 7(1): 12, 2019 Feb 22.
Artículo en Inglés | MEDLINE | ID: mdl-30795803

RESUMEN

BACKGROUND: Attentional biases are a relatively robust phenomenon among clinical populations but less pronounced in healthy participants. However, regarding the components of attentional biases and the directions of attention allocation, there are several inconsistencies in the literature. The present study examined whether these inconsistencies can be traced back to previous experiences of relational peer victimization in clinical populations. METHODS: Participants were subjects with a diagnosed psychiatric disorder (n = 30) and healthy controls (n = 31). Additionally, the sample was divided into two subgroups according to the participants' reports of previous relational peer victimization (high peer victimization: n = 28; low peer victimization: n = 33). Attentional biases were measured by the Emotional Stroop task and a dot-probe task. RESULTS: In both samples, peer victimized participants showed delayed response times when color-naming negative and positive compared to neutral adjectives in the Emotional Stroop task. Likewise, the dot-probe task indicated attentional avoidance of both negative and positive words in peer victimized participants with and without a psychiatric disorder. Interestingly, presence of a psychiatric disorder did not have a significant effect on attentional biases. CONCLUSION: Both tasks could detect that attentional processes were linked to the experience of peer victimization rather than to the current diagnostic status of the participants. Attentional avoidance of emotional stimuli may prevent victimized individuals from responding adequately to environmental stimuli, which may increase the risk for the development of psychopathology.


Asunto(s)
Sesgo Atencional , Acoso Escolar/psicología , Víctimas de Crimen/psicología , Relaciones Interpersonales , Trastornos Mentales/psicología , Atención , Estudios de Casos y Controles , Femenino , Humanos , Masculino , Test de Stroop , Adulto Joven
17.
Psychophysiology ; 56(11): e13444, 2019 11.
Artículo en Inglés | MEDLINE | ID: mdl-31343077

RESUMEN

Post-traumatic stress disorder (PTSD) is associated with a hypersensitivity to potential threat. This hypersensitivity manifests through differential patterns of emotional information processing and has been demonstrated in behavioral and neurophysiological experimental paradigms. However, the majority of research has been focused on adult patients with PTSD. To examine possible differences in underlying neurophysiological patterns for adolescent patients with PTSD after childhood sexual and/or physical abuse (CSA/CPA), ERP correlates of emotional word processing in 38 healthy participants and 40 adolescent participants with PTSD after experiencing CSA/CPA were studied. The experimental paradigm consisted of a passive reading task with neutral, positive (e.g., paradise), physically threatening (e.g., torment), and socially threatening (i.e., swearing, e.g., son of a bitch) words. A modulation of P3 amplitudes by emotional valence was found, with positive words inducing less elevated amplitudes over both groups. Interestingly, in later processing, the PTSD group showed augmented early late positive potential (LPP) amplitudes for socially threatening stimuli, while there were no modulations within the healthy control group. Also, region-specific emotional modulations for anterior and posterior electrode clusters were found. For the anterior LPP, highest activations have been found for positive words, while socially and physically threatening words led to strongest modulations in the posterior LPP cluster. There were no modulations by group or emotional valence at the P1 and EPN stage. The findings suggest an enhanced conscious processing of socially threatening words in adolescent patients with PTSD after CSA/CPA, pointing to the importance of a disjoined examination of threat words in emotional processing research.


Asunto(s)
Afecto/fisiología , Sesgo Atencional/fisiología , Corteza Cerebral/fisiopatología , Maltrato a los Niños , Potenciales Evocados/fisiología , Miedo/fisiología , Lectura , Trastornos por Estrés Postraumático/fisiopatología , Adolescente , Adulto , Electroencefalografía , Potenciales Relacionados con Evento P300/fisiología , Femenino , Humanos , Masculino , Reconocimiento Visual de Modelos/fisiología , Adulto Joven
18.
Biol Psychol ; 139: 152-162, 2018 11.
Artículo en Inglés | MEDLINE | ID: mdl-30296467

RESUMEN

Physiological stress responses vary as a function of adverse childhood experiences. However, previous studies concentrate on familial sources of childhood adversity. Potential long-term effects of peer victimization on physiology and affective responses are less known. This study examined cardiac, facial-muscular, and experiential responses to social evaluative stimuli in ninety-four healthy subjects with various degrees of experienced peer victimization. In a social conditioning task, peer victimization was associated with similarly attenuated cardiac and facial-muscular responses to negative and neutral stimuli, while differentiated physiological responses to negative and neutral stimuli were found in subjects without peer victimization. Overall, increased ratings of arousal, valence and disapproval for negative compared to neutral stimuli were found. Contrary to the physiological response, peer victimization was associated with more negative ratings of negative stimuli one month after acquisition. The results suggest that the physiological and experiential reactivity towards both negative and neutral social stimuli is affected by the experience of peer victimization. Peer victimization causes generalized autonomic dysregulation and memory recall biases during social learning impeding adequate response preparation to social stressors.


Asunto(s)
Sistema Nervioso Autónomo/fisiopatología , Acoso Escolar , Víctimas de Crimen , Músculos Faciales/fisiopatología , Frecuencia Cardíaca/fisiología , Grupo Paritario , Adulto , Electrocardiografía , Electromiografía , Femenino , Humanos , Masculino , Adulto Joven
19.
Behav Ther ; 49(5): 702-714, 2018 09.
Artículo en Inglés | MEDLINE | ID: mdl-30146138

RESUMEN

Mindfulness meditation yields beneficial effects on the processing of emotions. However, it is still unclear whether the focus of attention during meditation influences these effects. In the present study we aimed at comparing the effects of breathing meditation and emotion-focused meditation on the immediate and delayed processing of negative and positive emotions. The study included 65 adult novice meditators who were exposed to positively and negatively valenced film clips. Participants were randomly assigned to three conditions. While watching the films at t1, they were asked to mindfully focus on their breath (condition 1), on emotions (condition 2), or on nothing in particular (condition 3). Ten minutes later at t2, comparable film clips were shown but all participants watched them without taking up a mindful attitude. Dependent measures were emotional states at t1 and t2. Participants of both meditation conditions particularly showed a more preferable delayed emotional reaction to negative stimuli than participants of the control condition. Breathing meditation and emotion-focused meditation may constitute effective emotion regulation strategies to deal with negatively valenced emotional states.


Asunto(s)
Atención/fisiología , Emociones/fisiología , Meditación/métodos , Meditación/psicología , Atención Plena/métodos , Mecánica Respiratoria/fisiología , Adolescente , Adulto , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Estimulación Luminosa/métodos , Distribución Aleatoria , Respiración , Adulto Joven
20.
Psychophysiology ; 52(1): 107-16, 2015 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-25040054

RESUMEN

The study investigated the role of an associative information network as a mechanism underlying the relation of peer victimization and social anxiety disorder (SAD). A sample of N = 80 was divided according to diagnosis (SAD vs. no diagnosis) and amount of peer victimization (low vs. high). Responses to memory of a personally experienced aversive social situation and to imagining a standardized negative social situation were assessed. In terms of skin conductance level, subjects with SAD and peer victimization were more reactive to the memory script than the other three groups while responses to the standardized script did not vary. As to heart rate, there were no differences between the groups. Emotional responses presented with an inconsistent pattern. The results provide a first indication that associative memory structures resulting from aversive social experiences might play a role in the development and maintenance of SAD, but further research is needed.


Asunto(s)
Adultos Sobrevivientes de Eventos Adversos Infantiles/psicología , Víctimas de Crimen/psicología , Miedo/fisiología , Imaginación/fisiología , Memoria Episódica , Trastornos Fóbicos/fisiopatología , Trauma Psicológico/fisiopatología , Vergüenza , Adulto , Femenino , Respuesta Galvánica de la Piel/fisiología , Frecuencia Cardíaca/fisiología , Humanos , Masculino , Grupo Paritario , Trauma Psicológico/etiología , Adulto Joven
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