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141.
The amygdala, reward and emotion 总被引:3,自引:0,他引:3
Murray EA 《Trends in cognitive sciences》2007,11(11):489-497
Recent research provides new insights into amygdala contributions to positive emotion and reward. Studies of neuronal activity in the monkey amygdala and of autonomic responses mediated by the monkey amygdala show that, contrary to a widely held view, the amygdala is just as important for processing positive reward and reinforcement as it is for negative. In addition, neuropsychological studies reveal that the amygdala is essential for only a fraction of what might be considered 'stimulus-reward processing', and that the neural substrates for emotion and reward are partially nonoverlapping. Finally, evidence suggests that two systems within the amygdala, operating in parallel, enable reward-predicting cues to influence behavior; one mediates a general, arousing effect of reward and the other links the sensory properties of reward to emotion. 相似文献
142.
Obsessive-compulsive disorder with comorbid major depression: what is the role of cognitive factors?
Individuals with obsessive-compulsive disorder (OCD) commonly experience comorbid mood disturbances such as major depressive disorder (MDD). Previous studies that have compared OCD patients with and without MDD have revealed differences in demographic characteristics, clinical severity, and symptom presentation between these two patient groups. Previous studies have not, however, examined whether there are differences with respect to cognitive processes. The present study therefore aimed to address this gap in the literature. Eighty patients with OCD and no unipolar mood disorders were compared with 34 OCD patients with comorbid major depression on measures of OCD symptoms, cognitions, and insight, as well as on measures of depression and functional impairment. Whereas depressed OCD patients evidenced higher scores than non-depressed OCD patients on semi-idiographic measures of OCD symptoms and cognitions, this was not the case for nomothetic measures. Functional impairment and the tendency to misinterpret innocuous intrusive thoughts as significant emerged as unique predictors of depression within the entire sample of OCD patients. Results are discussed in terms of (a) the importance of semi-idiographic assessment of OCD, (b) possible explanations for the relationship between OCD symptoms, depression, and cognitive processes, and (c) the psychological treatment of comorbid OCD and MDD. 相似文献
143.
Preschoolers monitor the relative accuracy of informants 总被引:3,自引:0,他引:3
In 2 studies, the sensitivity of 3- and 4-year-olds to the previous accuracy of informants was assessed. Children viewed films in which 2 informants labeled familiar objects with differential accuracy (across the 2 experiments, children were exposed to the following rates of accuracy by the more and less accurate informants, respectively: 100% vs. 0%, 100% vs. 25%, 75% vs. 0%, and 75% vs. 25%). Next, children watched films in which the same 2 informants provided conflicting novel labels for unfamiliar objects. Children were asked to indicate which of the 2 labels was associated with each object. Three-year-olds trusted the more accurate informant only in conditions in which 1 of the 2 informants had been 100% accurate, whereas 4-year-olds trusted the more accurate informant in all conditions tested. These results suggest that 3-year-olds mistrust informants who make a single error, whereas 4-year-olds track the relative frequency of errors when deciding whom to trust. 相似文献
144.
Validation of the multiple language versions of the Hopkins Symptom Checklist-37 for refugee adolescents 总被引:1,自引:0,他引:1
The objective of this study is to provide preliminary psychometric properties of the Hopkins Symptom Checklist-37 (HSCL-37A) for refugee adolescents. The HSCL-37A is a modification of the well-known HSCL-25 and assesses symptoms of internalizing and externalizing problems that have been associated with reactions to trauma. Four independent heterogeneous samples (N=3890) of unaccompanied refugee minors, immigrants, and native Dutch and Belgian adolescents were assessed at school. The confirmative factor analyses, per language version, support the two-factor structure of internalizing and externalizing behavior. The total and subscales show good internal consistency and acceptable test-retest reliability in spite of the heterogeneous sample populations. The construct, content, and criterion validity of the HSCL-37A were also examined and found to be good. The findings of this study suggest that the HSCL-37A is a reliable and valid instrument to be used among culturally diverse refugee adolescents to assess emotional distress and maladaptive behaviors. 相似文献
145.
Development of the Weight- and Body-Related Shame and Guilt scale (WEB-SG) in a nonclinical sample of obese individuals 总被引:1,自引:0,他引:1
Conradt M Dierk JM Schlumberger P Rauh E Hebebrand J Rief W 《Journal of personality assessment》2007,88(3):317-327
In this article, we present the evaluation of the psychometric properties of a new self-report measure of Weight- and Body-Related Shame and Guilt (WEB-SG). The main purpose of the study was to measure shame and guilt feelings separately in obese individuals and investigate differing behavioral and emotional correlates of these emotions. Altogether, 331 obese participants completed the WEB-SG and other established self-report measures. A subset of the participants completed a 6-month follow-up. The WEB-SG proved to be internally consistent and temporally stable over a 6-month period. Regarding the factorial structure, a two-factor conceptualization was supported. The construct validity of the WEB-SG subscales was evidenced by a substantial overlap of common variance with related measures. The subscales Shame and Guilt showed differential correlation patterns to other scales. The WEB-SG is a brief, psychometrically sound measure for assessing body shame and guilt concerning weight control in obese individuals. 相似文献
146.
Van Braeckel K Butcher PR Geuze RH Stremmelaar EF Bouma A 《Human movement science》2007,26(6):927-942
We used a modified double-step pointing task to study movement adaptations in 7- to 10-year-old typically developing children. We found that the majority (63%) were able to optimally adapt fast, goal-directed visually-guided movements to a late change in target location meeting the requirements of speed and accuracy. A minority (35%) failed to meet the requirement of accuracy resulting in a less optimal adaptation. The results showed that the ability to adapt movements optimally develops before the age of 7 years in typically developing children. Literature proposes a transition in development of motor control around the age of 8 years. The present results replicate and extend this by suggesting that this transition affects the later phases of fast, goal-directed visually-guided movements rather than the early phases, such as movement programming and acceleration. Finally, the results indicate that the optimally adapted movements were the result of a specific strategy in which a specific component of movement execution was slowed on all trials. This suggests that 7- to 10-year-old typically developing children have developed implicit knowledge about which movement components are the most efficient to adapt. 相似文献
147.
148.
In this article, we develop a theoretically substantiated narrative framework for assessing psychotherapy practices, based on a big and small story approach. This approach stretches the narrative scope of these practices by making explicit and advancing small story counseling. We demonstrate how this framework can be a reflection tool by systematically applying six story dimensions to an example from army counseling. Small story dimensions one (multiple storytellers) and three (ways of ordering experience) draw attention to which persons and stories we do not engage with in counseling practices. Small story dimension two (future and on-going temporal orientation) marks a shift towards language of (future) potential, rather than a language of deficit. Small story dimensions four (low tellability) and five (fluent moral stance), reinstate the art of listening to client words, and remind us to resist the inclination to interpret these too easily in terms of a specific counseling theory or moral framework. Finally, small story dimension six (embeddedness) encourages counseling-on-the-move. Finally, we discuss the implications of widening the narrative scope of psychotherapy and counseling, such as the need to develop small story competence and to assess the therapeutic quality of everyday talk. 相似文献
149.
Marie Kjærgaard Catharina Elisabeth Arfwedson Wang Knut Waterloo Rolf Jorde 《Scandinavian journal of psychology》2014,55(1):83-89
The objective of this study is to evaluate internal consistency and psychometric properties of the Hospital Anxiety and Depression Scale (HADS), the Beck Depression inventory‐II (BDI‐II) and the Montgomery and Åsberg Depression Rating Scale (MADRS) for screening for major depressive episode (MDE) in a selected sample from a healthy population. Participants answered the BDI‐II and the HADS questionnaires and were interviewed with MADRS. The Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders (DSM)‐IV Axis I Disorders‐Clinician Version (SCID‐CV) was used to diagnose MDE. Current MDE was diagnosed in 20 (6%) of the 357 participants. All three scales including the depression sub‐scale for HADS had high area under the receiver operating characteristics curve (ROC) (AUC) (0.84–0.87), and internal consistency was also high for all scales (0.75–0.89). Optimal cut‐off for MDE was ≥ 12 for BDI‐II, MADRS ≥ 8, HADS total ≥ 9, and HADS‐D ≥ 4, which all resulted in sensitivities = 85% and specificities > 78%. Diagnostic accuracy was low on all depression scales (Cohen's kappa = 0.20–0.40). Reports of the properties of depression scales in a healthy population are limited. We found BDI‐II, HADS and MADRS to be acceptable as screening instruments for MDE in a selected sample from healthy population with recommend cut‐offs as mentioned above. 相似文献
150.