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201.
We studied whether visual search for targets defined by a combination of features from different dimensions is guided by separately represented target features or by an integrated representation of the target objects. In Experiment 1, participants searched for target singleton bars that were defined by a specific combination of color (red or blue) and size (small or large). The target arrays were preceded by cue arrays that contained a spatially uninformative color/size singleton. Behavioral spatial-cueing effects indicative of attentional capture were triggered only by cues that matched both target-defining features, but not by partially target-matching cues, suggesting that attention was guided by integrated object representations. However, the presence of reliable N2pc components for partially matching cues demonstrated that these cues did capture attention, in line with independent feature-based guidance of attention. This dissociation between the electrophysiological and behavioral markers of attentional capture was confirmed in Experiment 2, in which targets were defined by a color/size disjunction. Our results suggest that the attentional selection of targets that are defined by a combination of features is a two-stage process: Attention is initially captured by all target-matching features, but is then rapidly withdrawn from nontarget objects that share some but not all features with the current target. 相似文献
202.
Agnieszka Pisarek Monika Guszkowska Adriana Zagórska Michał Lenartowicz 《Journal of Applied Sport Psychology》2013,25(4):459-473
Athletes are people for whom physical health is a key value. Health promoting behaviors are an integral part of athletes’ success. The aim of this article is to identify health criteria and health-related behaviors among athletes and their determinants in terms of temperament and personality features. The concept of healthy lifestyle as understood by athletes and their most important health criteria were defined. Neuroticism and extraversion correlated with and were significant predictors of health behaviors; there were no significant relationships between health-promoting behaviors and temperament. Four groups of athletes, each characterized by a different approach to health, were identified. These groups were described with respect to various personality and temperamental determinants. Knowledge about the above-mentioned aspects of athletes’ performance can assist sport psychologists in providing athletes with more personalized support. 相似文献
203.
Academic career intention beyond the PhD: can the theory of planned behavior explain gender differences? 下载免费PDF全文
Are women less interested in becoming professors than men? We applied the theory of planned behavior (TPB) to investigate the intention to pursue an academic career. Postdocs who recently finished their PhD at a German university participated in an online survey (N = 380, mean age: 33; 45% women). Women reported lower academic career intentions (d = 0.40); TPB variables (attitude, subjective norm, self‐efficacy) explained 87% of this gender difference. At an 8 month follow‐up, we found no gender difference in the intention to continue in an academic career among the postdocs who were still working in academia (n = 129). Addressing TPB constructs early in women's academic careers could encourage them to remain in academia and strive for a professorship. 相似文献
204.
205.
Can sexist behavior in a job application context threaten women and cause them to underperform on a subsequent cognitive ability test? In a simulated job interview, 46 women and 46 men -- undergraduate and graduate students from the University of Heidelberg, Germany -- were confronted with either sexist (dominant and physically close) behavior by a male interviewer or non-sexist (friendly and neutral) behavior by the same confederate. Participants then solved math items and language-related items from a German standard intelligence test. In accordance with our hypothesis, the results indicated that female participants in the sexist condition performed significantly worse on the mathematical test than female participants in the control condition. The performance of female participants on the language-related test and male participants on both the math and language-related tests did not differ by experimental condition. After the sexist job interview, women’s impaired performance, occurring on the math items only (i.e., specific to the domain in which women are negatively stereotyped), suggests an influence of psychological and interpersonal processes on seemingly objective test outcomes. 相似文献
206.
Salient visual singleton stimuli produce spatial cueing effects indicative of attentional capture only when they match current task sets, suggesting that capture is subject to top-down control. However, such task-set contingent capture effects could be associated with the top-down controlled disengagement of attention from non-matching stimuli that follows their initial bottom-up salience-driven selection. Using the N2pc component as an event-related potential marker of attentional capture, we demonstrate that top-down task set already controls the initial rapid selection of salient visual singleton stimuli prior to any subsequent attentional disengagement. These findings provide new evidence for the primacy of top-down control over bottom-up salience in attentional capture. 相似文献
207.
A sample of 183 medical students completed the Mayer-Salovey-Caruso Emotional Intelligence Test (MSCEIT V2.0). Scores on the test were examined for evidence of reliability and factorial validity. Although Cronbach's alpha for the total scores was adequate (.79), many of the scales had low internal consistency (scale alphas ranged from .34 to .77; median = .48). Previous factor analyses of the MSCEIT are critiqued and the rationale for the current analysis is presented. Both confirmatory and exploratory factor analyses of the MSCEIT item parcels are reported. Pictures and faces items formed separate factors rather than loading on a Perception factor. Emotional Management appeared as a factor, but items from Blends and Facilitation failed to load consistently on any factor, rendering factors for Emotional Understanding and Emotional Facilitation problematic. 相似文献
208.
Research has shown that temporarily primed motivational orientations have essentially the same effects on how people pursue their goals as their chronic orientations. This article shows that, despite the interchangeability of temporary and chronic motivations, primed motivational orientations that are incongruent with chronic orientations create interference, requiring the deployment of cognitive resources and thus undermining performance on subsequent tasks that rely on these resources. Across 6 studies, we primed motivational orientations that were either congruent or incongruent with participants' chronic orientations and then assessed their performance on subsequent tasks that required cognitive resources. Consistent with the primed interference hypothesis, we found that incongruity between temporary and chronic motivational orientations undermined participants' (a) inhibition of incorrect but highly accessible responses, (b) mental arithmetic, (c) analytical reasoning, and (d) resistance to temptation. These results--which were observed following the activation of motivations for promotion or prevention (Studies 1-2 and 5-6), high or low need for belonging (Study 3), and high or low power orientations (Study 4)--illustrate the broad implications of holding incongruent chronic and primed orientations. 相似文献
209.
Kiefer M Adams SC Zovko M 《Advances in cognitive psychology / University of Finance and Management in Warsaw》2012,8(1):50-61
Classical theories of automaticity assume that automatic processes elicited by unconscious stimuli are autonomous and independent of higher-level cognitive influences. In contrast to these classical conceptions, we argue that automatic processing depends on attentional amplification of task-congruent processing pathways and propose an attentional sensitization model of unconscious visual processing: According to this model, unconscious visual processing is automatic in the sense that it is initiated without deliberate intention. However, unconscious visual processing is susceptible to attentional top-down control and is only elicited if the cognitive system is configured accordingly. In this article, we describe our attentional sensitization model and review recent evidence demonstrating attentional influences on subliminal priming, a prototypical example of an automatic process. We show that subliminal priming (a) depends on attentional resources, (b) is susceptible to stimulus expectations, (c) is influenced by action intentions, and (d) is modulated by task sets. These data suggest that attention enhances or attenuates unconscious visual processes in congruency with attentional task representations similar to conscious perception. We argue that seemingly paradoxical, hitherto unexplained findings regarding the automaticity of the underlying processes in many cognitive domains can be easily accommodated by our attentional sensitization model. We conclude this review with a discussion of future research questions regar-ding the nature of attentional control of unconscious visual processing. 相似文献
210.
Campisi J Sharkey C Johnson JD Asea A Maslanik T Bernstein-Hanley I Fleshner M 《Stress (Amsterdam, Netherlands)》2012,15(6):637-646
Activation of the in vivo stress response can facilitate antibacterial host defenses. One possible mechanism for this effect is stress-induced release of heat shock protein 72 (Hsp72) into the extracellular environment. Hsp72 is a ubiquitous cellular protein that is up-regulated in response to cellular stress, and modulates various aspects of immune function including macrophage inflammatory/bactericidal responses and T-cell function when found in the extracellular environment. The current study tested the hypothesis that in vivo extracellular Hsp72 (eHsp72) at the site of inflammation contributes to stress-induced restricted development of bacteria, and facilitated recovery from bacteria-induced inflammation, and that this effect is independent of alpha beta (αβ) T cells. Male F344 rats were exposed to either inescapable electrical tail-shocks or no stress, and subcutaneously injected with Escherichia coli (ATCC 15746). The role of eHsp72 was investigated by Hsp72-immunoneutralization at the inflammatory site. The potential contribution of T cells was examined by testing male athymic (rnu/rnu) nude rats lacking mature αβ T cells and heterozygous thymic intact control (rnu/+) rats. The results were that stressor exposure increased plasma concentrations of eHsp72 and facilitated recovery from bacterial inflammation. Immunoneutralization of eHsp72 at the inflammatory site attenuated this effect. Stressor exposure impacted bacterial inflammation and eHsp72 equally in both athymic and intact control rats. These results support the hypothesis that eHsp72 at the site of inflammation, and not αβ T cells, contributes to the effect of stressor exposure on subcutaneous bacterial inflammation. 相似文献