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131.
Event-related potential studies of attention 总被引:1,自引:0,他引:1
Over the past 30 years, recordings of event-related potentials (ERPs) from normal individuals have played an increasingly important role in our understanding of the mechanisms of attention. This article reviews some of the recent ERP studies of attention, focusing on studies that isolate the operation of attention in specific cognitive subsystems such as perception, working memory, and response selection. Several conclusions are drawn. First, under some conditions attention modulates the initial feedforward volley of neural activity in intermediate visual processing areas. Second, these early effects can be observed for both the voluntary allocation of attention and for the automatic capture of attention following a peripheral visual transient. Third, these effects are present not only when attention is directed to a location in 2-dimensional space, but also when attention is directed to one of two spatially overlapping surfaces. Fourth, attention does not modulate sensory activity unless sensory systems are overloaded; when sensory systems are not taxed, attention may instead operate to influence memory or response processes. That is, attention operates to mitigate information overload in whichever cognitive subsystems are overloaded by a particular combination of stimuli and task. 相似文献
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Trevor A. Foulk Irene E. De Pater Michael Schaerer Christilene du Plessis Randy Lee Amir Erez 《Personnel Psychology》2020,73(2):363-394
Although “powerlessness” is a pervasive experience for employees, prior social power research has predominantly focused on consequences of “powerfulness.” This has led to contradictory predictions for how experienced powerlessness influences employees’ social perceptions and behaviors. To resolve this theoretical tension, we build on Social Distance Theory (Magee & Smith) to develop a theoretical model suggesting that experienced powerlessness reduces social closeness and subsequently causes social disengagement behaviors both at work (reduced helping and increased interaction avoidance) and at home (increased withdrawal). Our model also elucidates the processes that cause powerlessness to reduce social closeness, demonstrating that employees’ affiliation motive and their expectation of others’ interest in affiliating explain this relationship. We further propose that the effect of powerlessness on social closeness will be stronger for employees high (vs. low) in political skill because these employees are more attuned to workplace power dynamics. We find support for our model in an experience-sampling field experiment and two experimental scenario studies. Our research clarifies the effects of powerlessness on social closeness and organizationally relevant downstream consequences, qualifies dominant assumptions that the powerless always behave in ways opposite those of the powerful, and demonstrates the importance of political skill as a moderator of power's effects. 相似文献
134.
Mercado-Crespo Melissa C. Coulter Martha L. Bryant Carol Borum Randy Perrin Kay M. Nodarse-Hernández Kristine 《Journal of religion and health》2021,60(6):4061-4081
Journal of Religion and Health - Preadolescents’ involvement in religious congregations may serve as a distal protective factor against aggression. Interviews were conducted to... 相似文献
135.
Two studies examined how political ideology relates to attitudes towards opposing scientific and nonscientific perspectives on apolitical topics. Participants read an article excerpt containing quotes from a researcher debunking a common misconception, such as the existence of lucky streaks in games of chance. They also read the perspective of someone who rejected the researcher in favor of personal experience, either in the form of a quote in the article from a relevant professional (e.g., a casino manager, Study 1) or a comment from a purported previous respondent with no clear expertise (Study 2). In both studies, conservatives, compared to liberals, evaluated the views of the scientist and the person rejecting the science as closer in legitimacy. Differences in evaluation of the science rejecter were mediated by conservatives' heightened intuitive thinking. By spotlighting how partisans evaluate nonscientific perspectives alongside science and by focusing on apolitical topics, these results bring new clarity to the debate on whether conservatives are more biased than liberals in attitudes towards science. 相似文献
136.
Past research has largely focused on examining self-esteem as an independent as opposed to a dependent variable. At the same time, research suggests that during adolescence, self-esteem is subject to yearly, monthly, as well as daily change, and consequently, it is important to identify underlying vulnerability factors and behaviors, which shape self-esteem lability. In the current multi-wave, longitudinal study, 142 adolescents between the ages of 12-18 completed monthly assessments across 4 months. At the initial assessment, adolescents provided self-report data pertaining to impulsiveness, maladaptive coping, risky behavior engagement, and self-esteem. At each of the follow-up assessments, adolescents provided information about risky behavior engagement and self-esteem. Results of time-lagged, idiographic multilevel mediation analyzes indicated that risky behavior engagement mediated the relationship between impulsiveness/maladaptive coping and subsequent low self-esteem. Critically, when included in the same model, impulsiveness was significant above and beyond maladaptive coping. Additionally, the reverse model with self-esteem as the predictor and risky behavior included as the dependent variable was not significant suggesting that our effect was unidirectional. As a whole, these findings suggest that impulsive youth may engage in behaviors, which ultimately precipitate negative self-evaluations and transient declines in self-esteem. 相似文献
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Miller ML Gallup AC Vogel AR Clark AB 《Journal of comparative psychology (Washington, D.C. : 1983)》2012,126(3):324-328
Yawning may serve both social and nonsocial functions. When budgerigars (Melopsittacus undulatus) are briefly held, simulating capture by a predator, the temporal pattern of yawning changes. When this species is observed in a naturalistic setting (undisturbed flock), yawning and also stretching, a related behavior, are mildly contagious. On the basis of these findings, we hypothesized that a stressful event would be followed by the clustering of these behaviors in a group of birds, which may be facilitated both by a standard pattern of responding to a startling stressor and also contagion. In this study, we measured yawning and stretching in 4-bird groups following a nonspecific stressor (loud white noise) for a period of 1 hr, determining whether auditory disturbances alter the timing and frequency of these behaviors. Our results show that stretching, and to a lesser degree yawning, were nonrandomly clumped in time following the auditory disturbances, indicating that the temporal clustering is sensitive to, and enhanced by, environmental stressors while in small groups. No decrease in yawning such as found after handling stress was observed immediately after the loud noise but a similar increase in yawning 20 min after was observed. Future research is required to tease apart the roles of behavioral contagion and a time-setting effect following a startle in this species. This research is of interest because of the potential role that temporal clumping of yawning and stretching could play in both the collective detection of, and response to, local disturbances or predation threats. 相似文献
138.
In the target article, we presented the hypothesis that parasite-stress variation was a causal factor in the variation of in-group assortative sociality, cross-nationally and across the United States, which we indexed with variables that measured different aspects of the strength of family ties and religiosity. We presented evidence supportive of our hypothesis in the form of analyses that controlled for variation in freedom, wealth resources, and wealth inequality across nations and the states of the USA. Here, we respond to criticisms from commentators and attempt to clarify and expand the parasite-stress theory of sociality used to fuel our research presented in the target article. 相似文献
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