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81.
The current study examined the impact of thought suppression on indices of anxiety, including memory indices (implicit and explicit memory biases) and physiological indices (heart rate). The participants, 81 undergraduates scoring in the top quartile of a self-report measure of trait anxiety, were randomly assigned to one of three experimental groups: thought suppression (TS), thought concentration (TC), and thought wandering (TW). The TC and TW groups were included to control for the effects of effortful processing and exposure to stimuli, respectively. One block of threat words and one block of neutral words were presented under conditions of cognitive load, and participants' physiological responses and memory biases were measured. The thought suppression group exhibited an enhanced overall memory bias for threat words, driven by an elevated explicit memory bias, relative to the other two groups, a result that has implications for ironic processes theory and may inform information-processing models of anxiety. 相似文献
82.
Craske MG Kircanski K Zelikowsky M Mystkowski J Chowdhury N Baker A 《Behaviour research and therapy》2008,46(1):5-27
Prevailing models of exposure therapy for phobias and anxiety disorders construe level of fear throughout exposure trials as an index of corrective learning. However, the evidence, reviewed herein, indicates that neither the degree by which fear reduces nor the ending fear level predict therapeutic outcome. Developments in the theory and science of fear extinction, and learning and memory, indicate that 'performance during training' is not commensurate with learning at the process level. Inhibitory learning is recognized as being central to extinction and access to secondary inhibitory associations is subject to influences such as context and time, rather than fear during extinction training. Strategies for enhancing inhibitory learning, and its retrieval over time and context, are reviewed along with their clinical implications for exposure therapy and directions for future research. 相似文献
83.
Professor Kathy Sylva Stephen Scott Vasiliki Totsika Katharina Ereky‐Stevens Carolyn Crook 《The British journal of educational psychology》2008,78(3):435-455
Background . Low levels of literacy and high levels of behaviour problems in middle childhood often co‐occur. These persistent difficulties pose a risk to academic and social development, leading to social exclusion in adulthood. Although parent‐training programmes have been shown to be effective in enabling parents to support their children's development, very few parent interventions offer a combination of behavioural and literacy training. Aims . This paper (1) reports on a prevention programme which aimed to tackle behaviour and literacy problems in children at the beginning of school, and (2) presents the effects of the intervention on children's literacy. Sample . One hundred and four 5‐ and 6‐year‐old children selected from eight schools in an inner city disadvantaged community in London participated in the intervention. Methods . This is a randomized control trial with pre‐ and post‐measurements designed to evaluate the effectiveness of an intervention. The behavioural intervention consisted of the ‘Incredible Years’ group parenting programme combined with a new programme designed to train parents to support their children's reading at home. Results . Analyses demonstrated a significant effect of the intervention on children's word reading and writing skills, as well as parents' use of reading strategies with their children. Conclusion . A structured multicomponent preventive package delivered with attention to fidelity can enable parents to support their children's reading at home and increase their literacy skills. Together with the improvement in child behaviour, these changes could improve the life chances of children in disadvantaged communities. 相似文献
84.
To understand the grounding of cognitive mechanisms in perception and action, we used a simple detection task to determine how long it takes to predict an action goal from the perception of grasp postures and whether this prediction is under strategic control. Healthy observers detected visual probes over small or large objects after seeing either a precision grip or a power grip posture. Although the posture was uninformative it induced attention shifts to the grasp-congruent object within 350 ms. When the posture predicted target appearance over the grasp-incongruent object, observers' initial strategic allocation of attention was overruled by the congruency between grasp and object. These results might help to characterize the human mirror neuron system and reveal how joint attention tunes early perceptual processes toward action prediction. 相似文献
85.
86.
Vigliocco G Vinson DP Paganelli F Dworzynski K 《Journal of experimental psychology. General》2005,134(4):501-520
In 4 experiments, the authors addressed the mechanisms by which grammatical gender (in Italian and German) may come to affect meaning. In Experiments 1 (similarity judgments) and 2 (semantic substitution errors), the authors found Italian gender effects for animals but not for artifacts; Experiment 3 revealed no comparable effects in German. These results suggest that gender effects arise as a generalization from an established association between gender of nouns and sex of human referents, extending to nouns referring to sexuated entities. Across languages, such effects are found when the language allows for easy mapping between gender of nouns and sex of human referents (Italian) but not when the mapping is less transparent (German). A final experiment provided further constraints: These effects during processing arise at a lexical-semantic level rather than at a conceptual level. 相似文献
87.
Katharina Berndt Rasmussen 《Philosophical Studies》2012,159(2):205-218
When facing a choice between saving one person and saving many, some people have argued that fairness requires us to decide without aggregating numbers; rather we should decide by coin toss or some form of lottery, or alternatively we should straightforwardly save the greater number but justify this in a non-aggregating contractualist way. This paper expands the debate beyond well-known number cases to previously under-considered probability cases, in which not (only) the numbers of people, but (also) the probabilities of success for saving people vary. It is shown that, in these latter cases, both the coin toss and the lottery lead to what is called an awkward conclusion, which makes probabilities count in a problematic way. Attempts to avoid this conclusion are shown to lead into difficulties as well. Finally, it is shown that while the greater number method cannot be justified on contractualist grounds for probability cases, it may be replaced by another decision method which is so justified. This decision method is extensionally equivalent to maximising expected value and seems to be the least problematic way of dealing with probability cases in a non-aggregating manner. 相似文献
88.
Humans accomplish much of what they do in collaboration with others. In ontogeny, children's earliest abilities to collaborate develop in two basic steps. First, 1- and 2-year-olds learn to form with others joint goals and joint attention--which include an understanding of the individual roles and perspectives involved. Second, as they approach their third birthdays, children's collaborative interactions with others take on a more normative dimension involving obligations to the partner. In addition, their cognitive abilities to conceptualize simultaneously both their own role and perspective along with those of the other develop considerably as well. This form of collaborative interaction is underlain by species-unique skills and motivations for shared intentionality that make possible, ultimately, such things as complex cultural institutions. 相似文献
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90.