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21.
Robyn Lewis Claar James A. Blumenthal 《Current directions in psychological science》2003,12(4):133-137
Emotional stress has been associated with the development and progression of several chronic medical conditions. Recently, researchers have assessed the impact of stress-management interventions on patients' psychological functioning, quality of life, and various disease outcomes, including survival. This review summarizes the value of stress-management techniques in the treatment of two important, life-threatening conditions: coronary heart disease and cancer. Results from randomized clinical trials indicate that psychological interventions can improve patients' psychological functioning and quality of life. However, there is limited evidence to suggest that these interventions significantly reduce morbidity and mortality. 相似文献
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This qualitative research explores the interactions of elementary school students during free-choice activity with science museum exhibits. The study participants were 39 students, who visited a science museum on six occasions during a three-year-period (from 4th to 6th grades). Our study showed that most interactions around exhibits are social in nature. Within these social interactions, students mainly discuss the technicalities of operating the exhibits and rarely engage with their scientific content. On occasion, exhibits are no more than settings for social interactions that could equally occur, for example, in the schoolyard. The main implications of this study concern exhibit design and pedagogy. Because students find ways to create their own social interactions in museum settings, museum pedagogy should leverage this social interaction into cognitive engagement with the scientific content of exhibits. 相似文献
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Dafna Bergerbest Orit Shilkrot Michal Joseph Moti Salti 《Attention, perception & psychophysics》2017,79(7):1979-1992
When two targets are presented in a rapid serial visual presentation (RSVP), recognition of the second target (T2) is usually reduced when presented 150–500 ms after the first target, demonstrating an attentional blink (AB). Previous studies have shown a left visual-field (LVF) advantage in T2 recognition, when T2 was embedded in one of two streams, demanding top-down attention for its recognition. Here, we explored the impact of bottom-up saliency on spatial asymmetry in the AB. When T2 was spatially shifted outside from the RSVP, creating an abrupt onset of T2, right T2s showed a right visual-field (RVF) advantage. In lag-1 trials, right T2s were not only better recognized, but also showed a low T1-T2 order error rate. In contrast, recognized left T2s exhibited high order error rate. Without abrupt onset, symmetrical AB was found and order error rate was similarly low in both sides. Follow-up experiments showed that, while RVF advantage was related to bottom-up saliency, order errors were affected by T1 mask. The discrepancy between LVF and RVF advantage in the AB could be resolved in terms of two mechanisms of attentional gating: top-down attentional gating, which is biased towards LVF, and bottom-up attentional gating, which is biased towards RVF. 相似文献
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R E Lubow Hedva Braunstein-Bercovitz Orit Blumenthal Oren Kaplan Paz Toren 《Child neuropsychology》2005,11(5):445-457
The research was designed to determine whether the purported hemispheric asymmetries that are associated with attention deficit/hyperactivity disorder (ADHD) affect performance on a selective attention visual search task, and whether any obtained asymmetry will be modulated by methylphenidate. Two groups of children (8-15 years) with ADHD, one with methylphenidate treatment (ADHD+) and one without (ADHD+), were compared to matched controls on a two-stage visual search task. The task assessed right-left visual field asymmetries and the effects of changing a previous distractor into a target. Such a procedure, related to latent inhibition (LI; poorer performance to a previously irrelevant stimulus than to a novel one), can provide evidence for dysfunctional processing of irrelevant stimuli. All three groups exhibited the LI effect. The ADHD group, however, exhibited less LI for left- than right-side targets, an effect absent in the control and ADHD+ groups, suggesting a lateralized attentional deficit for ADHD+ that was normalized by methylphenidate. 相似文献
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Both humans and non-human animals have the ability to navigate and make decisions within complex environments. This ability is largely dependent upon learning and memory processes, many of which are known to depend on NMDA-sensitive receptors. When humans come to difficult decisions they often pause to deliberate over their choices. Similarly, rats pause at difficult choice points. This behavior, known as vicarious trial and error (VTE), is hippocampally dependent and entails neurophysiological representations of expectations of future outcomes in hippocampus and downstream structures. In order to determine the dependence of VTE behaviors on NMDA-sensitive receptors, we tested rats on a Multiple-T choice task with a reward-delivery reversal known to elicit VTE. Rats under the influence of NMDA-receptor antagonists (CPP) showed a significant reduction in VTE, particularly at the reward reversal, implying a role for NMDA-sensitive receptors in the generation of vicarious trial and error behaviors. 相似文献
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David R. Blumenthal 《Reviews in Religion & Theology》2011,18(2):276-281
This book is fascinating. For those of us for whom the study of Maimonides has been rooted in history of thought or in systematic philosophy and theology, this book provides a psychotherapeutic and psychoanalytic reading of Maimonides. And, for those of us for whom study of Freud has been rooted in history of psychoanalysis, this book provides an insight into an important source for some of Freud's most radical ideas. 相似文献
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The Lingering Effects of Our Past Experiences: The Sunk‐Cost Fallacy and the Inaction‐Inertia Effect
The effect of past experiences and actions in shaping current perceptions, emotions, decisions and goals is widely recognized in the psychological literature. When it comes to economic decisions, however, these influences are sometimes seen as impediments to rational decision‐making. In an attempt to explore the enduring consequences of the past, we present, compare, and discuss two familiar behavioral phenomena: The sunk‐cost effect, which refers to situations where continued actions are fueled by past investments, and the inaction‐inertia effect, in which continued inaction is triggered by the shadows of missed opportunities. Although one process elicits continued action and the other continued inaction, we show that there is a great deal of similarity in the psychological underpinnings of these effects, and argue that respecting sunk costs and avoiding actions that are associated with forgone opportunities are not necessarily unreasonable, or maladaptive behaviors. 相似文献