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排序方式: 共有211条查询结果,搜索用时 15 毫秒
81.
C. Dennis Boywitt Jan Rummel Thorsten Meiser 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(5):560-576
Performing an intended action when it needs to be withheld, for example, when temporarily prescribed medication is incompatible with the other medication, is referred to as commission errors of prospective memory (PM). While recent research indicates that older adults are especially prone to commission errors for finished intentions, there is a lack of research on the effects of aging on commission errors for still active intentions. The present research investigates conditions which might contribute to older adults’ propensity to perform planned intentions under inappropriate conditions. Specifically, disproportionally higher rates of commission errors for still active intentions were observed in older than in younger adults with both salient (Experiment 1) and non-salient (Experiment 2) target cues. Practicing the PM task in Experiment 2, however, helped execution of the intended action in terms of higher PM performance at faster ongoing-task response times but did not increase the rate of commission errors. The results have important implications for the understanding of older adults’ PM commission errors and the processes involved in these errors. 相似文献
82.
采用线索提示和视听Oddball结合的实验设计, 通过四个实验探讨了外周视线索下视觉工作记忆负载对听觉偏差干扰效应的调控作用。结果表明:(1)操作外周视线索有效性为50%的条件下, 视觉工作记忆负载的增加使得原本抑制无关声音的过程失败, 因此出现了显著的听觉偏差干扰效应; (2)操作外周视线索有效性为80%的条件下, 发现有策略性的注意定向消耗了注意资源, 无视觉工作记忆负载的情况下同样出现听觉偏差干扰, 并且随着工作记忆负载增加偏差干扰效应增强。研究说明视觉工作记忆负载对听觉偏差干扰的调控是有条件性的, 当来自不同感觉通道的无关刺激与目标的加工过程存在重叠时, 视觉工作记忆负载的增加使得听觉偏差干扰效应增强而不是减弱。 相似文献
83.
What are the cognitive processes underlying people's decisions from memory? Previous research suggests that these processes can be best described by strategies that are based on abstract knowledge about the decision task (e.g., cue–criterion relations). However, recent results show that different cue presentation formats trigger the use of different decision strategies and that exemplar‐based strategies can account for memory‐based decisions as well. In three experiments, this effect was replicated, and mediation analyses identified the quality of the underlying knowledge representation as the critical variable that determines decision behavior. This supports the view that exemplar‐based reasoning is used as a backup system if cue abstraction is hindered. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
84.
Koichi Hiraoka Minori Ae Nana Ogura Chisa Sano Keigo Shiomi Yuji Morita 《Journal of motor behavior》2013,45(6):522-526
The authors investigated the effect of an auditory cue on the choice of the initial swing leg in gait initiation. Healthy humans initiated a gait in response to a monaural or binaural auditory cue. When the auditory cue was given in the ear ipsilateral to the preferred leg side, the participants consistently initiated their gait with the preferred leg. In the session in which the side of the monaural auditory cue was altered trial by trial randomly, the probability of initiating the gait with the nonpreferred leg increased when the auditory cue was given in the ear contralateral to the preferred leg side. The probability of choosing the nonpreferred leg did not increase significantly when the auditory cue was given in the ear contralateral to the preferred leg side in the session in which the auditory cue was constantly given in the ear contralateral to the preferred leg side. The reaction time of anticipatory postural adjustment was shortened, but the probability of choosing the nonpreferred leg was not significantly increased when the gait was initiated in response to a binaural auditory cue. An auditory cue in the ear contralateral to the preferred leg side weakens the preference for choosing the preferred leg as the initial swing leg in gait initiation when the side of the auditory cue is unpredictable. 相似文献
85.
86.
The dark side of cognitive illusions: When an illusory belief interferes with the acquisition of evidence‐based knowledge
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Ion Yarritu Helena Matute David Luque 《British journal of psychology (London, England : 1953)》2015,106(4):597-608
Cognitive illusions are often associated with mental health and well‐being. However, they are not without risk. This research shows they can interfere with the acquisition of evidence‐based knowledge. During the first phase of the experiment, one group of participants was induced to develop a strong illusion that a placebo medicine was effective to treat a fictitious disease, whereas another group was induced to develop a weak illusion. Then, in Phase 2, both groups observed fictitious patients who always took the bogus treatment simultaneously with a second treatment which was effective. Our results showed that the group who developed the strong illusion about the effectiveness of the bogus treatment during Phase 1 had more difficulties in learning during Phase 2 that the added treatment was effective. 相似文献
87.
"哪些因素决定提取效果"是记忆研究的主要问题之一。线索负荷假说认为与提取线索相关联的项目数量决定了提取效果,编码-提取匹配假说则强调编码与提取阶段的匹配程度决定提取成绩。这两者在记忆研究的不同时期均受到研究者的关注。在整合以往研究的基础上,有研究者提出了记忆是一个辨别过程的新观点,认为真正对回忆成绩起决定作用的是线索在多大程度上与某一目标项目匹配并能排除其他可能的备选项目。该观点对深入探索"哪些因素决定提取效果"这一问题提供了新的视角。在未来的研究中,研究者应正确看待辨别过程观点与编码-提取匹配观点的关系,同时可以借助新的技术手段从多个层面对这一新观点进行检验,并进一步丰富和完善该理论解释。 相似文献
88.
W. A. Sparrow 《Journal of motor behavior》2013,45(3):237-261
The observed ease or effort of performance has traditionally been considered an integral part of any definition of skill (e.g., Guthrie, 1935). Empirical investigations of skill learning and performance have, however, largely ignored the effort or efficiency with which the movement is performed. This situation has arisen despite the fact that in many skills, particularly athletic endurance events or industrial work tasks, efficiency of performance may be essential to the goal of the task. This paper focuses on the energy demand of various skills and its relationship to issues of learning, performance, and individual differences in preferred rhythm. It is shown that across a variety of tasks the individual’s freely chosen work-rate is the most efficient. The significance of preferred rhythm to theoretical perspectives on rhythmic activity is discussed. 相似文献
89.
执行意向,也被称为“如果—那么”计划,是指将一个预期的情境与一个确定的目标定向行为联系起来,明确说明了个体在什么时间、地点以及如何追求一个特定目标的计划.大量的实验室和现场实验研究发现,执行意向能有效促进目标的达成.执行意向中“如果”成分使得预期情境线索的心理表征高度激活;而“那么”成分使得计划中的反应得以自动实施.这两个假设的认知过程已被证实,并且在执行意向影响目标达成过程中起到中介作用.在未来的研究中除了将其与动机理论进行整合以及更深入地去探讨其心理机制之外,还要积极进行本土化的实证研究. 相似文献
90.
Hicham Ezzat Marine Agogué Pascal Le Masson Benoit Weil Mathieu Cassotti 《创造性行为杂志》2020,54(1):115-122
Fixation is one of the major obstacles that individuals face in creative idea generation contexts. Several studies have shown that individuals unintentionally tend to fixate to the examples they are shown in a creative ideation task, even when instructed to avoid them. Most of these studies used examples formulated with high level of specificity. However, no study has examined individuals’ creative performance under an instruction to diverge from given examples, when these examples are formulated with a high level of abstraction. In the present study, we show that (a) instructing participants to avoid using common examples when formulated with a high level of specificity increases fixation; whereas (b) instructing participants to avoid such examples while using a more abstract level for stating these common examples—such as a categorization of these examples—mitigates fixation and doubles the number of creative ideas generated. These findings give new insights on the key role of categorization in creative ideation contexts. 相似文献