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Matt R. Judah DeMond M. Grant Nancy B. Carlisle 《Cognitive, affective & behavioral neuroscience》2016,16(3):393-405
Cognitive theories of social anxiety disorder suggest that biased attention plays a key role in maintaining symptoms. These biases include self-focus and attention to socially threatening stimuli in the environment. The goal of this study was to utilize ERPs that are elicited by a change detection task to examine biases in selective attention (i.e., N2pc) and working memory maintenance (i.e., contralateral delay activity; CDA). Additionally, the effect of self-focus was examined using false heart rate feedback. In support of the manipulation, self-focus cues resulted in greater self-reported self-consciousness and task interference, enhanced anterior P2 amplitude and reduced SPN amplitude. Moreover, P2 amplitude for self-focus cues was correlated with reduced task performance for socially anxious subjects only. The difference in P2 amplitude between self-focus and standard cues was correlated with social anxiety independent of depression. As hypothesized, socially anxious participants (n = 20) showed early selection and maintenance of disgust faces relative to neutral faces as indicated by the N2pc and CDA components. Nonanxious controls (n = 22) did not show these biases. During self-focus cues, controls showed marginal evidence of biased selection for disgust faces, whereas socially anxious subjects showed no bias in this condition. Controls showed an ipsilateral delay activity after being cued to attend to one hemifield. Overall, this study supports early and persistent attentional bias for social threat in socially anxious individuals. Furthermore, self-focus may disrupt these biases. These findings and supplementary data are discussed in light of cognitive models of social anxiety disorder, recent empirical findings, and treatment. 相似文献
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Attention-Deficit/Hyperactivity Disorder and Behavioral Inhibition: A Meta-Analytic Review of the Stop-signal Paradigm 总被引:4,自引:3,他引:1
Deficient behavioral inhibition (BI) processes are considered a core feature of attention deficit/hyperactivity disorder (ADHD). This meta-analytic review is the first to examine the potential influence of a wide range of subject and task variable moderator effects on BI processes--assessed by the stop-signal paradigm--in children with ADHD relative to typically developing children. Results revealed significantly slower mean reaction time (MRT), greater reaction time variability (SDRT), and slower stop-signal reaction time (SSRT) in children with ADHD relative to controls. The non-significant between-group stop-signal delay (SSD) metric, however, suggests that stop-signal reaction time differences reflect a more generalized deficit in attention/cognitive processing rather than behavioral inhibition. Several subject and task variables served as significant moderators for children's mean reaction time. 相似文献
165.
Ellen Marshall Matt Mathews Amy Oden John Thatamanil Patricia O'Connell Killen 《Teaching Theology & Religion》2009,12(1):63-76
The editor of Teaching Theology and Religion facilitated this reflective conversation with four teachers who recently moved from undergraduate institutions to seminaries and divinity schools. Three major themes emerge in the conversation: (1) developing their pedagogical craft in undergraduate settings made them better teachers in their new contexts; (2) they moved, in part, to achieve a “better balance” between teaching and scholarship, and while this was generally achieved it was manifest in unexpected ways; (3) the communities or publics among whom and on behalf of whom they engage in broader service shifted in ways that have effected both their scholarship and their teaching; and (4) the move to a new teaching context enhanced their professional lives because they were able to consider their own visions of career in relation to the mission of their new institutions. 相似文献
166.
Matt McGue 《心理学报》2008,40(10):1073-1087
虽然遗传研究在20世纪初期的心理学里呈上升趋势,早期行为遗传学与优生学的襟带关系使这个学科蒙上阴影。20世纪下半叶的双生子和养子女的研究重新树立了该学科的威信,并为现今的遗传与环境互动的研究奠定了基础。本文以发展行为遗传学、遗传环境互动以及用行为遗传学来验证因果关系的研究为例,来突显这一学科对心理学的贡献。今后遗传与环境互动的研究将更侧重于辨识“候选基因”的技术。“全基因组关联”的研究为未来行为遗传学的发展提供了一个乐观的前景 相似文献
167.
In old and even middle age, there are associations between physical health and both intelligence and education. This may occur because intelligence and/or education exert effects on lifestyle choices that, in turn, affect later health. Substance use is one aspect of lifestyle choice in young adulthood that could play such a role. The effects of intelligence and/or education on substance use could be direct and environmental, or indirect due to the presence of confounding genetic and shared family influences. We used the Minnesota Twin Family Study to distinguish these effects in males and females at age 24. In contrast to prevailing expectations, there were moderately negative direct nonshared environmental effects of both IQ and education on both smoking and drinking in both males and females. That is, controlling for family background effects in the form of both genetic and shared environmental influences, both higher IQ and greater education were associated with greater alcohol and nicotine use. These effects were accounted for by alcohol and nicotine use at age 17. Our results suggest that genetic and family-culture variables confound the associations between intelligence and education and substance use in young adults, rendering them indirect. Further research is needed to understand the roles of IQ and education in alcohol and nicotine use and their relative impacts on physical health throughout the lifespan. 相似文献
168.
Matt Bradshaw Christopher G. Ellison 《Journal for the scientific study of religion》2009,48(2):241-251
In the debate about biological dispositions or differential sex-role socialization, too much emphasis is given to an either- or dichotomy. We argue that the higher religiosity of women is likely the product of both biological and environmental influences by discussing: (1) the fallacy of nature "versus" nurture; (2) biological influences on religious outcomes; (3) biological influences on the predictors of religious involvement; (4) causality and confounding in social science; and (5) interdisciplinary models of biology-environment interplay. 相似文献
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Studies of the dark figure of sexual offending using federal correctional clients reported significant evidence of previously unknown or hidden sexual violence, often among clients with no official criminal history. Unfortunately, research has produced variable estimates of how large the dark figure is. The current study sought to replicate recent studies of federal sexual offenders about the dark figure of sexual offending. We also extended the knowledge base by providing additional correlational analyses to see whether self-reported and official sexual offending have shared or divergent correlates. Overall, 73.8% of federal sexual offenders reported prior contact victims, which is higher than, but generally consistent with, prior prevalence estimates of 55–69% in studies of federal correctional clients. In the current data, clients convicted of child pornography possession or receipt and who had no official record of sexual abuse nevertheless reported contact sexual offenses in more than 59% of cases. 相似文献