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1.
BMC Psychiatry ; 20(1): 183, 2020 04 22.
Artigo em Inglês | MEDLINE | ID: mdl-32321477

RESUMO

BACKGROUND: The Collaborative Assessment and Management of Suicidality (CAMS) is a therapeutic framework that has been shown to reduce suicidal ideation and overall symptom distress. CAMS has not been previously evaluated in a standard acute inpatient mental health care setting with only short treatment times for suicidal patients. In this randomized controlled trial (RCT) we are investigating whether CAMS is more effective than Enhanced-Treatment as Usual (E-TAU) in reducing suicidal thoughts as primary outcome variable. We are also investigating depressive symptoms, general symptom relief, and the quality of the therapeutic alliance as secondary outcomes. METHODS/DESIGN: This RCT is designed as a single-center, two-armed, parallel group observer-blinded clinical effectiveness investigation. We are recruiting and randomizing 60 participants with different diagnoses, who are admitted as inpatients because of acute suicidal thoughts or behaviors into the Clinic for Psychiatry and Psychotherapy, Ev. Hospital Bethel in Bielefeld, Germany. The duration of treatment will vary depending on patients' needs and clinical assessments ranging between 10 and 40 days. Patients are assessed four times, at admission, discharge, 1 month, and 5 months post-discharge. The primary outcome measure is the Beck Scale for Suicide Ideation. Other outcome measures are administered as assessment timepoints including severity of psychiatric symptoms, depression, reasons for living, and therapeutic relationship. DISCUSSION: This effectiveness study is being conducted on an acute ward in a psychiatric clinic where patients have multiple problems and diagnoses. Treatment is somewhat limited, and therapists have a large caseloads. The results of this study can thus be generalizable to a typical inpatient psychiatric hospital settings. TRIAL REGISTRATION: This clinical trial has been retrospectively registered with the German Clinical Trials Register; registration code/ DRKS-ID: DRKS00013727 (on January 12, 2018). In addition, the study was also registered with the International Clinical Trials Registry Platform of the World Health Organization (identical registration code). Registry Name: "Evaluation von CAMS versus TAU bei suizidalen Patienten - Ein stationärer RCT".


Assuntos
Transtornos Mentais/terapia , Psicoterapia/métodos , Ensaios Clínicos Controlados Aleatórios como Assunto , Suicídio/psicologia , Assistência ao Convalescente , Alemanha , Humanos , Pacientes Internados , Alta do Paciente , Ideação Suicida
2.
BMC Neurosci ; 15: 39, 2014 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-24742205

RESUMO

BACKGROUND: There appears to be an inconsistency in experimental paradigms used in fMRI research on moral judgments. As stimuli, moral dilemmas or moral statements/ pictures that induce emotional reactions are usually employed; a main difference between these stimuli is the perspective of the participants reflecting first-person (moral dilemmas) or third-person perspective (moral reactions). The present study employed functional magnetic resonance imaging (fMRI) in order to investigate the neural correlates of moral judgments in either first- or third-person perspective. RESULTS: Our results indicate that different neural mechanisms appear to be involved in these perspectives. Although conjunction analysis revealed common activation in the anterior medial prefrontal cortex, third person-perspective elicited unique activations in hippocampus and visual cortex. The common activation can be explained by the role the anterior medial prefrontal cortex may play in integrating different information types and also by its involvement in theory of mind. Our results also indicate that the so-called "actor-observer bias" affects moral evaluation in the third-person perspective, possibly due to the involvement of the hippocampus. We suggest two possible ways in which the hippocampus may support the process of moral judgment: by the engagement of episodic memory and its role in understanding the behaviors and emotions of others. CONCLUSION: We posit that these findings demonstrate that first or third person perspectives in moral cognition involve distinct neural processes, that are important to different aspects of moral judgments. These results are important to a deepened understanding of neural correlates of moral cognition-the so-called "first tradition" of neuroethics, with the caveat that any results must be interpreted and employed with prudence, so as to heed neuroethics "second tradition" that sustains the pragmatic evaluation of outcomes, capabilities and limitations of neuroscientific techniques and technologies.


Assuntos
Artefatos , Mapeamento Encefálico/métodos , Encéfalo/fisiologia , Emoções/fisiologia , Julgamento/fisiologia , Princípios Morais , Adulto , Feminino , Humanos , Masculino , Julgamento Moral Retrospectivo
3.
Brain Sci ; 14(5)2024 May 02.
Artigo em Inglês | MEDLINE | ID: mdl-38790440

RESUMO

BACKGROUND: Theory of Mind (ToM) impairment has repeatedly been found in paranoid schizophrenia. The current study aims at investigating whether this is related to a deficit in ToM (undermentalizing) or an increased ToM ability to hyperattribute others' mental states (overmentalizing). METHODS: Mental state attribution was examined in 24 patients diagnosed with schizophrenia (12 acute paranoid (APS) and 12 post-acute paranoid (PPS)) with regard to positive symptoms as well as matched healthy persons using a moving shapes paradigm. We used 3-T-functional magnetic resonance imaging (fMRI) to provide insights into the neural underpinnings of ToM due to attributional processes in different states of paranoid schizophrenia. RESULTS: In the condition that makes demands on theory of mind skills (ToM condition), in patients with diagnosed schizophrenia less appropriate mental state descriptions have been used, and they attributed mental states less often to the moving shapes than healthy persons. On a neural level, patients suffering from schizophrenia exhibited within the ToM network hypoactivity in the medial prefrontal cortex (MPFC) and hyperactivity in the temporo-parietal junction (TPJ) as compared to the healthy sample. CONCLUSIONS: Our results indicate both undermentalizing and hypoactivity in the MPFC and increased overattribution related to hyperactivity in the TPJ in paranoid schizophrenia, providing new implications for understanding ToM in paranoid schizophrenia.

4.
Brain Sci ; 14(6)2024 May 27.
Artigo em Inglês | MEDLINE | ID: mdl-38928549

RESUMO

OBJECTIVE: Patients with borderline personality disorder (BPD) report to be especially prone to social emotions like shame and guilt. At the same time, these emotions seem to play an important role in BPD pathology. The present study aimed to deepen the knowledge about the processes behind shame and guilt in patients with BPD. METHODS: Twenty patients with BPD and twenty healthy controls (HCs) took part in an experiment that induced shame and guilt by imagining scenarios during scanning using functional brain imaging. Participants also filled out self-report questionnaires and took part in diagnostic interviews. RESULTS: BPD patients reported more proneness to guilt but not to shame than the HCs. There was no difference in the self-reported intensity rating of experimentally induced emotions between the groups. Between-group contrast of neural signals in the shame condition revealed a stronger activation of cingulate and fusiform gyrus for the BPD patients compared to the controls, and a more pronounced activation in the lingual gyrus and cuneus for the HCs. In the guilt condition, activation in the caudate nucleus, the fusiform gyrus, and the posterior cingulate cortex was stronger in BPD patients, while HC showed stronger activations in cuneus, lingual gyrus, and fronto-temporal regions. CONCLUSIONS: Differences in the neuro-functional processes between BPD patients and HC were found, even though the two groups did not differ in their self-report of subjective proneness to guilt and emotional intensity of shame and guilt during the experiment. While the HCs may be engaged more by the emotional scenarios themselves, the BPD patients may be more occupied with cognitive regulatory and self-referential processing.

5.
Front Psychiatry ; 14: 1197595, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38274437

RESUMO

Individuals with psychopathic personality traits are generally thought to have difficulties in processing and experiencing emotions. These difficulties could also translate to emotionally charged social situations such as social exclusion. Being socially excluded is often experienced as stressful and unpleasant, potentially even leading to selfish or aggressive behavior-both of which are linked to certain aspects of psychopathy. The current study investigated self-report and physiological responses to social exclusion in the cyberball paradigm in a carefully selected community sample of individuals either scoring high on primary (N = 24) or secondary psychopathy traits (N = 17). Across the sample, the cyberball paradigm decreased experiences of joy and approach motivation, increased subjective anger reports, and induced changes in heart rate. In contrast, individuals scoring high on secondary psychopathy traits (Self-Centered Impulsivity group) displayed stronger physiological reactivity during a habituation phase of prolonged social exclusion than individuals scoring high on primary psychopathy traits (Fearless Dominance group), indexed by changes in skin conductance level. Moreover, a potential mismatch between self-reported and physiological arousal seemed to be only observable in individuals with high secondary psychopathy traits. Overall, the current results suggest diverging patterns of emotional processing and regulation in a social exclusion situation when comparing well-functioning individuals with varying psychopathy traits. It seemed as if individuals high on primary psychopathy traits were insensitive to contextual social cues, while individuals high on secondary psychopathy traits were more affected by the potentially threatening social situation. Cautiously transferring the current findings to forensic samples, they support the idea of moving from a behavioral understanding of the psychopathy construct to a more clinical picture with distinct cognitive and emotional processing patterns in individuals high on either primary or secondary psychopathy traits.

6.
Brain Sci ; 13(8)2023 Jul 25.
Artigo em Inglês | MEDLINE | ID: mdl-37626482

RESUMO

BACKGROUND: Attachment theory offers an important framework for understanding interpersonal interaction experiences. In the present study, we examined the neural correlates of attachment patterns and oxytocin in schizophrenic patients (SZP) compared to healthy controls (HC) using fMRI. We assumed that male SZP shows a higher proportion of insecure attachment and an altered level of oxytocin compared to HC. On a neural level, we hypothesized that SZP shows increased neural activation in memory and self-related brain regions during the activation of the attachment system compared to HC. METHODS: We used an event-related design for the fMRI study based on stimuli that were derived from the Adult Attachment Projective Picture System to examine attachment representations and their neural and hormonal correlates in 20 male schizophrenic patients compared to 20 male healthy controls. RESULTS: A higher proportion of insecure attachment in schizophrenic patients compared to HC could be confirmed. In line with our hypothesis, Oxytocin (OXT) levels in SZP were significantly lower than in HC. We found increasing brain activations in SZP when confronted with personal relevant sentences before attachment relevant pictures in the precuneus, TPJ, insula, and frontal areas compared to HC. Moreover, we found positive correlations between OXT and bilateral dlPFC, precuneus, and left ACC in SZP only. CONCLUSION: Despite the small sample sizes, the patients' response might be considered as a mode of dysregulation when confronted with this kind of personalized attachment-related material. In the patient group, we found positive correlations between OXT and three brain areas (bilateral dlPFC, precuneus, left ACC) and may conclude that OXT might modulate within this neural network in SZP.

7.
Eur Arch Psychiatry Clin Neurosci ; 262(1): 59-68, 2012 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-21792533

RESUMO

From the clinical practice and some experimental studies, it is apparent that paranoid schizophrenia patients tend to assign emotional salience to neutral social stimuli. This aberrant cognitive bias has been conceptualized to result from increased emotional arousal, but direct empirical data are scarce. The aim of the present study was to quantify the subjective emotional arousal (SEA) evoked by emotionally non-salient (neutral) compared to emotionally salient (negative) social stimuli in schizophrenia patients and healthy controls. Thirty male inpatients with paranoid schizophrenia psychosis and 30 demographically matched healthy controls rated their level of SEA in response to neutral and negative social scenes from the International Affective Picture System and the Munich Affective Picture System. Schizophrenia patients compared to healthy controls had an increased overall SEA level. This relatively higher SEA was evoked only by the neutral but not by the negative social scenes. To our knowledge, the present study is the first designed to directly demonstrate subjective emotional over-arousal to neutral social scenes in paranoid schizophrenia. This finding might explain previous clinical and experimental data and could be viewed as the missing link between the primary neurobiological and secondary psychological mechanisms of paranoid psychotic-symptom formation. Furthermore, despite being very short and easy to perform, the task we used appeared to be sensitive enough to reveal emotional dysregulation, in terms of emotional disinhibition/hyperactivation in paranoid schizophrenia patients. Thus, it could have further research and clinical applications, including as a neurobehavioral probe for imaging studies.


Assuntos
Sintomas Afetivos/etiologia , Nível de Alerta/fisiologia , Esquizofrenia Paranoide/complicações , Esquizofrenia Paranoide/psicologia , Percepção Social , Adulto , Sintomas Afetivos/diagnóstico , Análise de Variância , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Testes Neuropsicológicos , Escalas de Graduação Psiquiátrica
8.
Artigo em Inglês | MEDLINE | ID: mdl-36613008

RESUMO

Urban residency is associated with exposure to environmental factors, which can influence health in many ways. Neuroscientific research, as well as Public Health research, aim towards broadening evidence in the field of Urban Health. However, it is unclear whether the association between urban living and mental illnesses is causal rather than explainable by other selective effects. This review seeks to gather information on the current evidence regarding urban living and neurological outcomes to demonstrate how Public Health and Neuroscience could complement each other in the field of Urban Health. A scoping review was conducted in four electronic databases according to the PRISMA-statement guidelines. 25 empirical studies were included. Outcomes such as schizophrenia and psychotic disorders, social and cognitive functioning were scrutinised. Evidence was found for alteration of brain functioning and brain structure. Most studies researching cognitive functioning or cognitive decline displayed possible protective effects of urban living compared to rural living. The different study designs in Public Health and Neuroscience could profit from each other. Although the comparability of studies is limited by the inconsistent assessments of urbanity. Synergies and potentials to combine aspects of Public Health and Neuroscience in the field of Urban Health to improve population health became apparent.


Assuntos
Disfunção Cognitiva , Transtornos Psicóticos , Esquizofrenia , Humanos , Saúde Pública , Esquizofrenia/epidemiologia , Saúde da População Urbana , População Urbana
9.
Alzheimer Dis Assoc Disord ; 25(3): 250-61, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21192235

RESUMO

This study explores the neurofunctional correlates of the recognition of famous faces in patients with amnestic mild cognitive impairment (aMCI) and healthy controls depending on the genetic risk factor, Apolipoprotein E (ApoE) ε4. An event-related functional magnetic resonance imaging experiment was conducted while participants discriminated between famous and nonfamous faces. We compared the results of 32 healthy controls [17 ApoE ε4 carriers (E4+); 15 noncarriers (E4-)] with those of 30 patients with aMCI (16 E4+; 14 E4-). Despite comparable task performance, patients with aMCI, E4+ showed significantly less activation in a large cortical network including the left parahippocampal gyrus than patients with aMCI E4-. Furthermore, in the aMCI group, we found significantly reduced activation in the left parahippocampal gyrus and posterior cingulate cortex compared with the control group. Our results show that critical regions of the brain show functional decline associated with major risk factors, such as ApoE ε4 allele and neuropsychological signs of aMCI for the development of Alzheimer disease. Importantly, the ApoE genotype seems to influence cortical activation in patients with aMCI and to a lesser degree in healthy controls as well, who are without any cognitive symptoms.


Assuntos
Apolipoproteína E4/genética , Disfunção Cognitiva/genética , Predisposição Genética para Doença/genética , Reconhecimento Psicológico/fisiologia , Amnésia/genética , Disfunção Cognitiva/diagnóstico , Feminino , Genótipo , Humanos , Interpretação de Imagem Assistida por Computador , Imageamento por Ressonância Magnética , Masculino , Transtornos da Memória/genética , Pessoa de Meia-Idade , Testes Neuropsicológicos , Reconhecimento Visual de Modelos/fisiologia
10.
Eur Arch Psychiatry Clin Neurosci ; 260(5): 427-40, 2010 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-19907927

RESUMO

Deficits in executive functions, e.g. voluntary selection, are considered central to the attention-deficit/hyperactivity disorder (ADHD). The aim of this simultaneous EEG/fMRI study was to examine associated neural correlates in ADHD patients. Patients with ADHD and healthy subjects performed an adapted go/nogo task including a voluntary selection condition allowing participants to freely decide, whether to press the response button. Electrophysiologically, response inhibition and voluntary selection led to fronto-central responses. The fMRI data revealed increased medial/lateral frontal and parietal activity during the voluntary selection task. Frontal brain responses were reduced in ADHD patients compared to controls during free responses, whereas parietal brain functions seemed to be unaffected. These results may indicate that selection processes are related to dysfunctions, predominantly in frontal brain regions in ADHD patients.


Assuntos
Transtorno do Deficit de Atenção com Hiperatividade/patologia , Transtorno do Deficit de Atenção com Hiperatividade/fisiopatologia , Mapeamento Encefálico , Encéfalo/irrigação sanguínea , Encéfalo/fisiopatologia , Potenciais Evocados/fisiologia , Adulto , Tomada de Decisões/fisiologia , Eletroencefalografia/métodos , Função Executiva , Feminino , Humanos , Inibição Psicológica , Imageamento por Ressonância Magnética/métodos , Masculino , Pessoa de Meia-Idade , Testes Neuropsicológicos , Oxigênio/sangue , Estatística como Assunto
11.
J Behav Ther Exp Psychiatry ; 63: 57-65, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-30454876

RESUMO

BACKGROUND AND OBJECTIVES: Face-to-face and text-based social support have been shown to attenuate stress responses in past studies. Yet as social interactions increasingly take place online by means of virtual humans, our objective was to examine whether different forms of social support (virtual vs. real) prior to the Trier Social Stress Test (TSST) would also decrease stress. Additionally, the effect on subsequent real-life social behaviors (helping and approach) was evaluated while controlling for affective states and social presence. METHODS: 56 participants were either supported by an avatar, an agent, a real human or received no support before completing the TSST and two subsequent social behavior tasks (pen task and seating task). RESULTS: Results show no difference in agency regarding social presence. Yet, participants with agent support and no support had significantly higher heart rates during the TSST and reported to be more worried. Also, they were more irritated and showed significantly slower helping reactions (picking up pens). LIMITATIONS: A limitation to this study is that only emotional verbal and non-verbal support were provided by a stranger. Different forms of support as well as a different source (i.e., a friend) may have a more pronounced effect on stress buffering. CONCLUSIONS: Virtual social support is as effective as face-to-face support in terms of stress buffering, as long as the recipient has the impression that it is provided by another human (via an avatar). This has wide ranging implications not only for health-related application in prevention and treatment but also for further research.


Assuntos
Comportamento de Ajuda , Apoio Social , Estresse Psicológico/prevenção & controle , Realidade Virtual , Feminino , Frequência Cardíaca/fisiologia , Humanos , Masculino , Tempo de Reação , Estresse Psicológico/fisiopatologia , Adulto Jovem
12.
Neuropsychologia ; 46(12): 2993-3005, 2008 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-18619985

RESUMO

Autobiographical memory relies on complex interactions between episodic memory contents, associated emotions and a sense of self-continuity over the course of one's life. This paper reports a study based upon the case of the patient NN who suffered from a complete loss of autobiographical memory and awareness of identity subsequent to a dissociative fugue. Neuropsychological, behavioral, and functional neuroimaging tests converged on the conclusion that NN suffered from a selective retrograde amnesia following an episode of dissociative fugue, during which he had lost explicit knowledge and vivid memory of his personal past. NN's loss of self-related memories was mirrored in neurobiological changes after the fugue whereas his semantic memory remained intact. Although NN still claimed to suffer from a stable loss of autobiographical, self-relevant memories 1 year after the fugue state, a proportionate improvement in underlying fronto-temporal neuronal networks was evident at this point in time. In spite of this improvement in neuronal activation, his anterograde visual memory had been decreased. It is posited that our data provide evidence for the important role of visual processing in autobiographical memory as well as for the efficiency of protective control mechanisms that constitute functional retrograde amnesia.


Assuntos
Amnésia Retrógrada/etiologia , Conscientização , Córtex Cerebral/fisiopatologia , Transtornos Dissociativos/complicações , Rememoração Mental , Autoimagem , Adulto , Amnésia Retrógrada/patologia , Amnésia Retrógrada/fisiopatologia , Amnésia Retrógrada/psicologia , Estudos de Casos e Controles , Córtex Cerebral/patologia , Transtornos Dissociativos/patologia , Transtornos Dissociativos/fisiopatologia , Transtornos Dissociativos/psicologia , Seguimentos , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Testes Neuropsicológicos , Valores de Referência , Índice de Gravidade de Doença , Percepção do Tempo
13.
J Clin Psychopharmacol ; 28(6): 699-703, 2008 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-19011441

RESUMO

Cognitive impairment in drug-dependent patients receiving methadone (MMP) maintenance treatment has been reported previously. We assessed cognitive functioning after at least 14 days of stable substitution treatment with buprenorphine (BUP) or MMP and after 8 to 10 weeks. We performed a randomized, nonblinded clinical trial in 59 drug-dependent patients receiving either BUP or MMP maintenance treatment and healthy normal controls (n = 24) matched for sex, age, and educational level. Thirteen patients dropped out of the study before the second testing was performed (BUP, n = 22; MMP, n = 24). A neuropsychological test battery was used to measure selective attention, verbal memory, motor/cognitive speed, and cognitive flexibility. In addition, subjective perceived stress was assessed with a questionnaire. Patients in both treatment groups performed equally well in all of the cognitive domains tested. Both BUP and MMP patients showed significantly improved concentration and executive functions after 8 to 10 weeks of stable substitution treatment. The control group achieved better results than the BUP and MMP groups in most cognitive domains, indicating cognitive impairment in the patients. Perceived stress did not show any significant change after 8 to 10 weeks of treatment, and no major differences were detected between the 3 groups. No effects of perceived stress on cognitive function were found. Our results indicate a cognitive impairment in patients receiving maintenance treatment with BUP or MMP compared with healthy controls. Selective attention improved in both patient groups during treatment. We propose that the improvement of attention may facilitate rehabilitation of drug-dependent patients.


Assuntos
Analgésicos Opioides/uso terapêutico , Buprenorfina/uso terapêutico , Cognição/efeitos dos fármacos , Metadona/uso terapêutico , Transtornos Relacionados ao Uso de Opioides/reabilitação , Síndrome de Abstinência a Substâncias/prevenção & controle , Atenção/efeitos dos fármacos , Humanos , Memória/efeitos dos fármacos , Testes Neuropsicológicos , Transtornos Relacionados ao Uso de Opioides/psicologia , Pacientes Desistentes do Tratamento , Percepção/efeitos dos fármacos , Desempenho Psicomotor/efeitos dos fármacos , Estresse Psicológico/etiologia , Síndrome de Abstinência a Substâncias/psicologia , Inquéritos e Questionários , Fatores de Tempo , Resultado do Tratamento
14.
Bipolar Disord ; 10(8): 877-87, 2008 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-19594503

RESUMO

OBJECTIVE: There is growing evidence of cognitive impairment as a trait factor in bipolar disorder. The generalizability of this finding is limited because previous studies have either focussed exclusively on bipolar I disorder or have analysed mixed patient groups. Thus, it is still largely unknown whether bipolar II patients perform differently from bipolar I patients on measures of cognitive functioning. METHODOLOGY: A total of 65 patients with bipolar I disorder, 38 with bipolar II disorder, and 62 healthy controls participated in the study. Patients had to be euthymic for at least one month. Clinical and demographic variables were collected in a clinical interview and with the Structured Clinical Interview for DSM-IV. Cognitive functioning was assessed using a neuropsychological battery. Univariate and multivariate analyses of variance were conducted for analyzing possible differences between the groups. RESULTS: The multivariate analysis of covariance (MANCOVA) indicated overall differences in neuropsychological performance between the three groups (Pillai Spur: F 1.96, p = 0.003). Post hoc comparisons revealed that patients with bipolar I disorder showed significantly lower scores in psychomotor speed, working memory, verbal learning, delayed memory, and executive functions than healthy controls. Patients with bipolar II disorder showed significant deficits in psychomotor speed, working memory, visual/constructional abilities, and executive functions compared to controls, but not on verbal learning and delayed memory. The two patient groups did not differ significantly from each other on any domain tested. CONCLUSION: These results support a similar pattern of cognitive deficits in both subtypes of bipolar disorder.


Assuntos
Transtorno Bipolar/diagnóstico , Transtornos Cognitivos/diagnóstico , Testes Neuropsicológicos/estatística & dados numéricos , Adulto , Atenção , Transtorno Bipolar/classificação , Transtorno Bipolar/psicologia , Transtornos Cognitivos/classificação , Transtornos Cognitivos/psicologia , Manual Diagnóstico e Estatístico de Transtornos Mentais , Feminino , Humanos , Masculino , Memória de Curto Prazo , Análise Multivariada , Resolução de Problemas , Escalas de Graduação Psiquiátrica/estatística & dados numéricos , Psicometria/estatística & dados numéricos , Desempenho Psicomotor , Tempo de Reação , Valores de Referência , Retenção Psicológica , Fatores de Risco , Aprendizagem Verbal , Adulto Jovem
15.
J Trauma Dissociation ; 9(4): 525-42, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-19042795

RESUMO

OBJECTIVE: Dissociative disorders are characterized by disturbances in several neuropsychological domains, especially attention, memory, and consciousness. As a tendency to dissociate can also be observed in healthy individuals, and may be a risk factor for the development of dissociative disorders and posttraumatic stress disorder (PTSD), we were interested in the neuropsychological characteristics of these participants. METHOD: We examined attention, memory, and executive control functions in 17 high and 17 low dissociators without any psychiatric or neurological disorder and without prior experiences of trauma. RESULTS: High dissociators showed relative performance deficiencies in tasks of memory for associative, context-dependent verbal material, visuospatial working memory, and executive control functions in terms of a heightened perseveration tendency and false positive errors. CONCLUSION: These cognitive deficits are consistent with models of dissociative disorders and dissociation in PTSD assuming a hippocampal and prefrontal dysfunction as a core factor. Mild cognitive impairments in otherwise healthy high dissociators may constitute a risk factor for the development of later PTSD or dissociative disorders.


Assuntos
Transtornos Cognitivos/diagnóstico , Transtornos Cognitivos/epidemiologia , Transtornos Dissociativos/diagnóstico , Transtornos Dissociativos/epidemiologia , Nível de Saúde , Adulto , Manual Diagnóstico e Estatístico de Transtornos Mentais , Transtornos Dissociativos/etiologia , Feminino , Humanos , Masculino , Testes Neuropsicológicos , Índice de Gravidade de Doença , Transtornos de Estresse Pós-Traumáticos/diagnóstico , Transtornos de Estresse Pós-Traumáticos/epidemiologia , Transtornos de Estresse Pós-Traumáticos/psicologia , Inquéritos e Questionários
16.
Front Psychol ; 9: 2759, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30705656

RESUMO

Relationship status and sexuality are linked to body image concerns, but research on the connection to men's drive for muscularity (DfM) is scarce. Extreme DfM can lead to a pathological preoccupation with muscularity and problematic eating/exercising behavior. This study investigated the relation of relationship status, relationship duration, and satisfaction with sex-life in weight-lifting men via an online survey (N = 270). Using cross-sectional data, we found that single weight-lifting men and those dissatisfied with their sex-life were more dissatisfied with their muscularity and showed stronger DfM than those in a relationship and satisfied men. Longer relationship duration was associated with less dissatisfaction with muscularity and less DfM while relationship satisfaction was not. Thus, being in a relationship and sexual satisfaction are related to less body dissatisfaction and DfM. Further research should use dyadic study designs to investigate both partners exercising and eating behavior in relation to each other.

17.
BMC Psychol ; 5(1): 19, 2017 Jun 15.
Artigo em Inglês | MEDLINE | ID: mdl-28619103

RESUMO

BACKGROUND: Muscle dysmorphia (MD) is a relatively young diagnosis referring to the desire for a high degree in lean muscle mass, while simultaneously believing that one is insufficiently muscular, mostly found in men. It goes along with a risk for social withdrawal to maintain rigid exercise and dietary regimen. The aim of the current study was thus, to explore differences in men with and without a risk for muscle dysmorphia regarding their desire for social interaction. Furthermore, we investigated potential effects of individual social comparison tendencies (the tendency to compare oneself with persons who are perceived to be superior or inferior to oneself on a certain dimension) and of one's own body schema on the desire for social interaction. METHODS: One hundred physically active, college aged Austrian men were recruited via social media and flyers at fitness centers and the sports department of the University of Vienna. Participants were randomly assigned to a priming condition evoking their own body schema or a control condition and had to state their desire for social interaction with male or female stimulus persons of high or average attractiveness. We conducted a 2 (group of participant; men with vs. without a risk for MD) × 2 (priming condition; priming vs. non-priming) × 2 (attractiveness of stimulus person; highly attractive vs. less attractive) experimental design with different social comparison tendencies as covariates. RESULTS: Men with a risk for muscle dysmorphia showed lesser desire for social interaction than men without this risk, which can be seen as a risk factor for psychopathological outcomes. Generally, men with and without a risk for muscle dysmorphia did not differ with regard to their preferences for attractive stimulus persons as subjects for social interaction. We confirmed the notion that a tendency for downward social comparisons goes along with a diminished desire for social interaction. CONCLUSIONS: This study showed that men with a risk for muscle dysmorphia appeared to be at higher risk for social withdrawal and that this is associated with social comparison tendencies. Future investigations on clinical populations are needed, for this population is highly prone to social isolation and negative outcomes related to it.


Assuntos
Transtornos Dismórficos Corporais/psicologia , Imagem Corporal , Relações Interpessoais , Adulto , Exercício Físico , Feminino , Humanos , Músculos , Fatores de Risco , Universidades , Levantamento de Peso , Adulto Jovem
18.
Front Psychol ; 8: 922, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28634459

RESUMO

Mentalizing or Theory of Mind (ToM) deficits in schizophrenia have been studied to great extent, but studies involving samples of trait schizotypy yield ambiguous results. Executive functions like cognitive inhibition, cognitive flexibility, and agency are all prerequisites of mentalizing, and it is assumed that the impairment of these functions contributes to ToM deficits in schizophrenia. Whether these impairments influence the ToM performance of people with high trait schizotypy remains unclear. Although impaired self-agency has repeatedly been identified in people with schizotypy, its role in mentalizing is yet to be investigated. The main aim of this study was to explore whether deficits in cognitive and affective ToM can be found in high trait schizotypy, and to identify in what way these deficits are related to the positive and negative dimensions of schizotypy. The secondary aim was to examine whether these deficits correlate with executive functions. Based on the dimensional view of the schizophrenia spectrum, an extreme-group design was applied to non-clinical volunteers demonstrating high (N = 39) and low (N = 47) trait schizotypy. Affective and cognitive ToM were investigated using the Movie for Assessment of Social Cognition, a sensitive and video-based measurement. Cognitive inhibition was assessed using the Stroop Test, and cognitive flexibility was analyzed using the Trail-Making Test. Agency was measured using a computerized self-agency paradigm. Participants in the high-schizotypy group performed significantly worse in the affective ToM task (d = 0.79), and their overall ToM performance was significantly impaired (d = 0.60). No between-group differences were found with regards to cognitive ToM, executive functions, and self-agency. Cognitive flexibility correlated negatively with positive schizotypy, and contributed to a worse overall and affective ToM. Impaired cognitive inhibition contributed to undermentalizing-type errors. It was found that non-clinical participants with high trait (positive) schizotypy - especially those with slight executive-function deficits - may have difficulties in understanding the emotional state of others and consequently in functioning in social situations.

19.
Child Abuse Negl ; 72: 98-109, 2017 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-28787645

RESUMO

Accumulated evidence provides support that childhood emotional abuse (CEA) is related to adult major depressive disorder (MDD) outcomes. However, the psychological mechanisms of this relation are still not well understood. Changes in personality and emotion regulation are indicated to play a mediating role what should be examined in this paper. A sample of 123 MDD inpatients was examined in a prospective observational study with two times of measurement. Patients provided data on childhood trauma history, personality disorder (PD) traits and emotion acceptance. Self- and expert-ratings of depressive symptoms were assessed at baseline and at the end of treatment. Treatment duration as an objective indicator of treatment outcome was additionally considered. Partial correlation analyses revealed associations between CEA and self-ratings of MDD symptom severity and symptom improvement independent of sexual and physical abuse. Expert-ratings of depression and treatment duration were not related to CEA. Mediation analyses revealed that particularly the factors borderline psychopathology as well as acceptance of pleasant emotions mediated the association of CEA and self-rated MDD symptoms. Passive-aggressive PD traits mediated the link between CEA and a lower self-rated symptom improvement. CEA affect specific personality traits and acceptance of emotions. This association may play a critical role for self-reported depressive symptoms with implications for prevention, psychoeducation, and treatment of MDD.


Assuntos
Caráter , Maus-Tratos Infantis/psicologia , Maus-Tratos Infantis/estatística & dados numéricos , Transtorno Depressivo Maior/psicologia , Ajustamento Emocional , Adolescente , Adulto , Criança , Transtorno Depressivo Maior/epidemiologia , Feminino , Alemanha , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Estatística como Assunto , Inquéritos e Questionários , Adulto Jovem
20.
Sci Rep ; 6: 23637, 2016 Mar 29.
Artigo em Inglês | MEDLINE | ID: mdl-27020307

RESUMO

This study investigated hypothetical moral choices in adults with high-functioning autism and the role of empathy and alexithymia in such choices. We used a highly emotionally salient moral dilemma task to investigate autistics' hypothetical moral evaluations about personally carrying out harmful utilitarian behaviours aimed at maximizing welfare. Results showed that they exhibited a normal pattern of moral judgments despite the deficits in social cognition and emotional processing. Further analyses revealed that this was due to mutually conflicting biases associated with autistic and alexithymic traits after accounting for shared variance: (a) autistic traits were associated with reduced utilitarian bias due to elevated personal distress of demanding social situations, while (b) alexithymic traits were associated with increased utilitarian bias on account of reduced empathic concern for the victim. Additionally, autistics relied on their non-verbal reasoning skills to rigidly abide by harm-norms. Thus, utilitarian moral judgments in autism were spared due to opposite influences of autistic and alexithymic traits and compensatory intellectual strategies. These findings demonstrate the importance of empathy and alexithymia in autistic moral cognition and have methodological implications for studying moral judgments in several other clinical populations.


Assuntos
Sintomas Afetivos/fisiopatologia , Transtorno do Espectro Autista/fisiopatologia , Julgamento/fisiologia , Princípios Morais , Adulto , Sintomas Afetivos/psicologia , Análise de Variância , Transtorno do Espectro Autista/psicologia , Transtorno Autístico/fisiopatologia , Transtorno Autístico/psicologia , Comportamento de Escolha/fisiologia , Cognição/fisiologia , Emoções/fisiologia , Empatia/fisiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Testes Psicológicos/estatística & dados numéricos , Inquéritos e Questionários , Adulto Jovem
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