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111.
Detecting threat cues in the environment is an important aspect of social functioning. This is particularly true for adolescents as social threats become more salient and they navigate increasingly complex relationships outside of the family. Sleep relates to socioemotional processing throughout development, but the neurobiological relevance of sleep for threat perceptions in adolescence remains unknown. In the present study, 46 human adolescents (aged 14–18 years; 26 female) made judgments while undergoing a brain scan about whether unfamiliar, affectively neutral, computer‐generated faces were threatening. Prior to the scan, several indices of sleep were assessed nightly for two‐weeks using actigraphy. Sleep duration and poor sleep quality (defined as less efficiency, more awakenings, longer awakenings), factors influenced by biological and psychosocial changes during adolescence, elicited distinct neural activation patterns. Sleep duration was positively associated with activation in visual and face processing regions (occipital cortex, occipital fusiform gyrus), and this activation was linked to increased threat detection during the threat perception task. Sleep quality was negatively related to dorsolateral prefrontal cortex activation, which moderated the relation between reaction time (RT) and exposure to faces. Findings suggest reduced threat perception for adolescents with shorter sleep durations and more impulsive responding (as evinced by less consistent RT) for adolescents experiencing worse quality sleep. This study identifies an association between sleep and neural functioning relevant for socioemotional decision making during adolescence, a time when these systems undergo significant development. 相似文献
112.
113.
Plasticity for Affective Neurocircuitry: How the Environment Affects Gene Expression 总被引:1,自引:0,他引:1
Nathan A. Fox Amie A. Hane Daniel S. Pine 《Current directions in psychological science》2007,16(1):1-5
ABSTRACT— We ( Fox et al., 2005 ) recently described a gene-by-environment interaction involving child temperament and maternal social support, finding heightened behavioral inhibition in children homozygous or heterozygous for the serotonin transporter (5HTTLPR) gene short allele whose mothers reported low social support. Here, we propose a model, Plasticity for Affective Neurocircuitry, that describes the manner in which genetic disposition and environmental circumstances may interact. Children with a persistently fearful temperament (and the 5HTTLPR short allele) are more likely to experience caregiving environments in which threat is highlighted. This in turn will exacerbate an attention bias that alters critical affective neurocircuitry to threat and enhances and maintains anxious behavior in the child. 相似文献
114.
风险情景中的机会和威胁认知 总被引:8,自引:0,他引:8
随着近年来社会经济的高速发展 ,人们面临着越来越多的风险问题。该研究的目的在于深入分析个体成就动机、风险情景中的行为反应方式以及机会 -威胁认知三者之间的关系。研究采用问卷设计 ,由成就动机量表、抽彩游戏和机会 -威胁问卷三部分组成。被试来自北京和重庆地区的三所高校 (N =2 6 2 )。结果发现 :(1)成就动机中的“回避失败”变量对个体在风险情景中的反应方式以及机会 -威胁认知有显著性的影响 (p <0 0 5 ) ;(2 )机会 -威胁认知水平不同的个体在风险情景中的反应方式有着显著性的差异 (p <0 0 1) ,机会认知与行为变量的相关达到了显著性水平 (p <0 0 5 ) ;(3)四组被试分别表现出高机会 -低威胁等 4种认知组合 ,因此机会与威胁认知可能存在于两维空间 相似文献
115.
Research suggests that the experience of belonging to a group whose academic abilities are negatively stereotyped fosters disidentification over time, that is, the psychological insulation of the self from academic evaluations and outcomes (Crocker, Major, & Steele, 1998). This research tests whether the process of disidentification can ironically improve motivation when mobilized in response to specific situations. Black and White participants were given negative feedback on an ability-diagnostic or non-diagnostic task. Subsequently, all participants were given the opportunity to persist on the task and their level of disengagement was assessed. As hypothesized, Black participants in the diagnostic condition displayed the most persistence as well as the most disengagement and this persistence response was mediated by their disengagement. The results suggest that, in contrast to chronic disengagement, situational disengagement may help facilitate motivation and persistence. 相似文献
116.
The Uncertainty Paradox: Perceived Threat Moderates the Effect of Uncertainty on Political Tolerance
People respond to dissimilar political beliefs in a variety of ways, ranging from openness and acceptance to closed‐mindedness and intolerance. While there is reason to believe that uncertainty may influence political tolerance, the direction of this influence remains unclear. We propose that threat moderates the effect of uncertainty on tolerance; when safe, uncertainty leads to greater tolerance, yet when threatened, uncertainty leads to reduced tolerance. Using independent manipulations of threat and uncertainty, we provide support for this hypothesis. This research demonstrates that, although feelings of threat and uncertainty can be independent, it is also important to understand their interaction. 相似文献
117.
Alberto Mirisola Michele Roccato Silvia Russo Giulia Spagna Alessio Vieno 《Political psychology》2014,35(6):795-812
We analyzed directly and indirectly the relationships between societal threat to safety, perceived control, and the increase in right‐wing authoritarianism (RWA) in two studies. In Study 1 (national sample of the Italian population, N = 1,169), we performed a longitudinal analysis structured into three waves (January 2003, September 2004, and January 2005). A moderated regression analysis showed that RWA increased from 2003 to 2005 as a function of perceived societal threat to safety more among low‐ than among high RWA scorers. In experimental Study 2 (Italian university students, N = 131) a moderated mediation model showed loss of perceived control to mediate the relation between societal threat to safety and the increase in RWA, but among low authoritarians only. Limitations, implications, and possible developments of this research are discussed. 相似文献
118.
《Psychology of sport and exercise》2014,15(5):481-490
ObjectiveThis research project consisted of two studies aimed at validating the trait emotional intelligence questionnaire (TEIQue) in a sports sample.DesignStudy 1 used a confirmatory factor analysis (CFA) to investigate if the original 4-factor structure of the TEIQue could be replicated in a sample of athletes. In addition, we explored the relationship between trait emotional intelligence (trait EI) and the demographic variables age, sex, type of sport (individual vs. team), expertise, and years of training. Study 2 used a path analysis approach to explore if trait EI is related to performance satisfaction through stress appraisal and coping behaviors.MethodIn Study 1, 973 athletes completed the TEIQue and a demographic questionnaire. In Study 2, 291 athletes completed the TEIQue. Moreover, with a recent competition in mind, they completed the Coping Inventory for Competitive Sports, as well as items on perceived intensity of stress, perceived controllability of stress, challenge and threat appraisals, coping effectiveness, and performance satisfaction.ResultsStudy 1 showed with a CFA that the original 4-factor structure of the TEIQue could be replicated in a sports sample. Of the demographic variables, only age showed a significant positive relationship with trait EI. Study 2 showed that trait EI was related to performance satisfaction through stress appraisal and coping variables.ConclusionsThis research showed that the TEIQue can be used with athletes and that trait EI is useful for understanding certain aspects of sports performance satisfaction. 相似文献
119.
Aida Gutiérrez-García 《Anxiety, stress, and coping》2014,27(1):74-89
This study investigated whether social anxiety facilitates the discrimination between genuine and ambiguous smiles. Socially anxious (N=20) and nonanxious (N=20) participants categorized as “happy” or “not happy” faces with either (1) a truly happy expression (i.e., happy eyes and a smile), (2) truly nonhappy expressions (e.g., angry eyes and an angry mouth), or (3) blended expressions with a smiling mouth and nonhappy (e.g., angry, sad, etc.) eyes. Results indicated that, relative to nonanxious participants, those high in social anxiety were more likely to judge as “not happy” any blended expression with nonhappy eyes, and they were faster in judging as “not happy” the blended expressions with angry, fearful, or disgusted eyes (but not those with sad, surprised, or neutral eyes). These results suggest, respectively, that social anxiety inhibits a benign interpretation of all the ambiguous expressions with a smile, and speeds up the detection of threatening eyes in such expressions. Importantly, no differences appeared as a function of social anxiety for truly happy or nonhappy faces. This rules out a response-bias explanation, and also reveals that social anxiety does not affect sensitivity in the recognition of prototypical expressions. 相似文献
120.
No Postmaterialists in Foxholes: Postmaterialist Values,Nationalism, and National Threat in the People's Republic of China 下载免费PDF全文
Jonathan Joseph Reilly 《Political psychology》2016,37(4):565-572
In this article, I present findings from a survey experiment in which Chinese university students exposed to a treatment designed to increase feelings of national threat were—based on their responses to the four‐item postmaterialism values‐priority battery—significantly more likely to be classified as “pure materialists.” These findings are presented in support of the proposition that perception of a hostile international environment may tend to exaggerate citizens' authoritarian and nationalistic sentiments at the expense of more democratically favorable value orientations. Media and political figures in the West who rail against the evils of China's authoritarian leadership might believe that they are championing and encouraging democratic aspirations among the Chinese people, but might instead be inciting impulses and attitudes that are far less “democracy‐friendly.” 相似文献