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191.
192.
Plessow F Schade S Kirschbaum C Fischer R 《Cognitive, affective & behavioral neuroscience》2012,12(3):557-570
A major control demand in successful dual-task performance is the task-specific separation of task-goal representations and of the related stimulus-response translation processes. In the present study, we investigated how these cognitive control processes of task shielding are affected by acute psychosocial stress. Fifty-six healthy participants were exposed to either an acute psychosocial stressor (the Trier Social Stress Test) or a standardized control situation prior to a dual task. Task shielding was assessed by analyzing the interference of Task 2 processing on prioritized Task 1 performance. Following successful stress induction, as indicated by increases in salivary α-amylase (sAA) and cortisol that reflect increases in sympathetic nervous system and hypothalamus-pituitary-adrenal (HPA) axis activity, respectively, stressed individuals displayed reduced task shielding relative to controls. This result was further substantiated by a correlation between treatment-related increase in cortisol, but not sAA, and between-task interference, suggesting a potential role of the HPA stress response for the development of the observed effects. As an additional finding, when the volunteers were categorized with regard to their action-state orientation, their orientation did not interact with stress but did reveal generally increased between-task interference, and thus inferior task shielding, for state-oriented as compared to action-oriented individuals. 相似文献
193.
The Veterans Affairs (VA) healthcare system is dedicated to providing high-quality mental health services to all veterans, including the nearly 40% of enrolled veterans living in rural areas. Family education programs regarding mental illness and posttraumatic stress disorder, mandated for delivery in all VA medical centers and some community-based outpatient clinics (CBOCs), have been developed and provided primarily in large, urban medical centers. This qualitative investigation involved interviews with CBOC providers and veterans and families who live in rural areas and/or seek care in CBOCs to ascertain their perceptions of the benefits, feasibility, structural and cultural barriers, and logistical preferences regarding family education. The perspectives and concerns that emerged in these interviews were combined with expert knowledge to identify the resources and considerations a VAMC would want to address when translating and implementing similar programming into CBOCs. Although institutional, logistic, and attitudinal challenges were described, all three stakeholder groups endorsed the need for family education, did not see the barriers as insurmountable, and provided creative solutions. Administrators and CBOC clinicians may benefit by anticipating and problem solving around the key issues raised when developing family programming. 相似文献
194.
Jos J. Adam Thamar J. H. Bovend’Eerdt Fleur E. P. van Dooren Martin H. Fischer Jay Pratt 《Attention, perception & psychophysics》2012,74(7):1533-1538
A growing literature has suggested that processing of visual information presented near the hands is facilitated. In this study, we investigated whether the near-hands superiority effect also occurs with the hands moving. In two experiments, participants performed a cyclical bimanual movement task requiring concurrent visual identification of briefly presented letters. For both the static and dynamic hand conditions, the results showed improved letter recognition performance with the hands closer to the stimuli. The finding that the encoding advantage for near-hand stimuli also occurred with the hands moving suggests that the effect is regulated in real time, in accordance with the concept of a bimodal neural system that dynamically updates hand position in external space. 相似文献
195.
Negative affectivity and impulsivity are potential risk factors for eating pathology. Both are heterogeneous constructs, yielding varied effect sizes in the prediction of pathology. The use of a specific construct, negative urgency, the tendency to act impulsively while distressed, improves the predictive utility of ‘impulsivity’ in eating pathology. The use of specifically defined affectivity constructs may similarly improve theories of risk. Anger and anxiety both represent high arousal, negatively valenced emotions, but promote different interactions with the environment; approach vs. avoidance. Undergraduate women completed measures of negative urgency, trait anger, trait anxiety, and eating pathology 3 months apart. Negative urgency and trait anxiety prospectively accounted for unique variance in increases in global eating pathology, while negative urgency prospectively accounted for unique variance in binge eating. Anger was not a significant predictor. Results suggest that the use of both specifically defined impulsivity and affectivity constructs improves predictive utility of traits in eating pathology. 相似文献
196.
James H. Liu Katja Hanke Ronald Fischer Li-Li Huang Glenn Adams Fei-xue Wang 《Basic and applied social psychology》2013,35(2):148-159
Surveys in the USA, New Zealand, Taiwan, Japan, and China examined attitudes toward the Iraq War and the Cross-Straits Relationship between China and Taiwan. Factor analyses revealed a four-factor solution of justice concerns: (a) national mandate for military intervention, (b) international mandate against military action, (c) procedural justice, and (d) distributive justice issues. Americans and mainland Chinese were significantly different in an in-group favoring direction compared to other societies regarding justice concerns involving their nation. Taiwan, the low-powered society in the Cross-Straits Relationship, was like the uninvolved societies. Justice in international relations is filtered through in-group favoritism for powerful states. 相似文献
197.
Three experiments examined whether exposure to risk-promoting media increases risk-related thoughts and behavioral inclinations. Participants were exposed to risk-promoting pictures (Study 1), movies (Study 2), and video games (Study 3) or a risk neutral control condition. Subsequently to exposure, accessibility of risk-taking cognitions and participants' inclinations to act in a risk-seeking manner was measured. In line with our expectations, all three studies revealed that risk-promoting media content increases the accessibility of risk-taking cognitions (Studies 1 and 3), risk taking in a computer-based driving simulator (Study 2), as well as risk taking in decision making scenarios (Study 3). Mediational analyses clarified the underlying psychological process: Risk-promoting media content increases the accessibility of risk-promoting cognitions, which in turn results in increased risk-taking inclinations. Theoretical and practical implications are discussed. 相似文献
198.
Physically Attractive Social Information Sources Lead to Increased Selective Exposure to Information
Peter Fischer Julia K. Fischer Nilüfer Aydin Dieter Frey 《Basic and applied social psychology》2013,35(4):340-347
The present research investigated the impact of a social information source's physical attractiveness on selective exposure to decision-relevant information. In two studies, support was found for the hypothesis that physically attractive information sources lead decision makers into being more selective in both searching for (Studies 1 and 2; selective exposure) and evaluating (Study 2; biased assimilation) decision-relevant information. In both studies, the effect was driven by differences in the selection and evaluation of decision-consistent information, that is, physically attractive information sources led to increases in the perceived quality of decision-consistent information as well as increased selective exposure to this information. Theoretical and practical implications are discussed. 相似文献
199.
200.
At 65.7 billion € per year, addiction is the fifth most cost-intensive psychiatric disorder in Europe. More than 60,000 pregnant women in the EU are chronic illicit substance abusers, of which about half consume opioids. One third of these women are of childbearing age, with increasing tendency. More than 60% also suffer from at least one comorbid psychiatric disorder. State-of-the-art treatment for opioid dependence in pregnancy is maintenance therapy with the synthetic opioids methadone or buprenorphine in a multiprofessional setting with comprehensive medical care for women and neonates. A standardized approach of assessment and treatment comparable to the approach in pregnant women is recommended for neonates and for the related neonatal abstinence syndrome (NAS), which occurs in about 60% after intrauterine opioid exposure. An early investment in a multiprofessional treatment model increases not only quality of life of women and children but also lowers societal costs. 相似文献