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181.
Robin Orthey Nicola Palena Aldert Vrij Ewout Meijer Sharon Leal Hartmut Blank Letizia Caso 《Applied cognitive psychology》2019,33(5):974-979
We examined the effects of cognitive load on the strategy selection in the forced choice test (FCT) when used to detect hidden crime knowledge. Examinees (N = 120) with and without concealed knowledge from a mock crime were subjected to an FCT either under standard circumstances or cognitive load. Cognitive load was implemented through time pressure. The FCT distinguished examinees with concealed knowledge from those without better than chance in both conditions, but the counterstrategies did not differ between conditions. Further investigation revealed that time pressure did affect examinees' ability to follow their intended counterstrategy to produce randomized test patterns, which constitutes an effective counterstrategy in the FCT. Hence, time pressure lowered the success rate of effective counterstrategies, but not their incident rates. Further disambiguation of various cognitive load manipulations and their effects on strategy selection and execution is needed. 相似文献
182.
Yoshiya Furukawa Ken'ichiro Nakashima Yasuko Morinaga 《The Japanese psychological research》2019,61(1):1-11
We investigated whether feelings of guilt, which signal crises in interpersonal relationships (Baumeister, Stillwell, & Heatherton, 1994), are differently evoked by two types of individual differences in social rejection: rejection detection capability (Kawamoto, Nittono, & Ura, 2015) and rejection sensitivity (Downey & Feldman, 1996). Using the hypothetical scenario method, we found that in situations with a potential risk of being rejected as a consequence of causing another person harm (i.e., harm‐present condition), participants with higher rejection detection capability felt more guilt and engaged in more compensatory behavior towards the victims. In addition, guilt mediated the relationship between rejection detection capability and compensatory behavior. Conversely, in situations with no potential risk of being rejected (i.e., harm‐absent condition), participants with higher rejection sensitivity felt more guilt but did not engage in much compensatory behavior. These results suggest that individual differences in social rejection foster different responses to specific threats. 相似文献
183.
Matthew Lewon E. Kate Webb Sydney M. Brotheridge Christophe Cox Cynthia D. Fast 《Journal of applied behavior analysis》2019,52(3):682-700
Animal trainers working in scent detection programs are responsible for arranging training contingencies as well as for observing and recording animal behavior. We provided behavioral skills training (BST) to animal trainers working with scent detection rats to improve the treatment integrity of scent‐detection research sessions. We evaluated the trainers' behavior at baseline and during the sequential introduction of each component of BST (instructions, modeling, and feedback). We observed incremental improvements in treatment integrity with the introduction of each BST component. Posttraining probes revealed that these improvements were sustained at least 3 weeks post‐BST. As the trainers' behavior was modified during BST, we observed decrements in measures of rat performance. We discuss the nature of these interactions and their implications for the use of BST in scent detection research and in situations in which intervention with one party produces concomitant effects on the behavior of another. 相似文献
184.
In earlier work we showed that individuals learn the spatial regularities within contexts and use this knowledge to guide detection of threatening targets embedded in these contexts. While it is highly adaptive for humans to use contextual learning to detect threats, it is equally adaptive for individuals to flexibly readjust behaviour when contexts once associated with threatening stimuli begin to be associated with benign stimuli, and vice versa. Here, we presented face targets varying in salience (threatening or non-threatening) in new or old spatial configurations (contexts) and changed the target salience (threatening to non-threatening and vice versa) halfway through the experiment to examine if contextual learning changes with the change in target salience. Detection of threatening targets was faster in old than new configurations and this learning persisted even after the target changed to non-threatening. However, the same pattern was not seen when the targets changed from non-threatening to threatening. Overall, our findings show that threat detection is driven not only by stimulus properties as theorised traditionally but also by the learning of contexts in which threatening stimuli appear, highlighting the importance of top-down factors in threat detection. Further, learning of contexts associated with threatening targets is robust and speeds detection of non-threatening targets subsequently presented in the same context. 相似文献
185.
在谎言识别研究中, 最重要的发现之一就是人们在意识层面上识别谎言的正确率仅仅略高于随机水平。于是, 大量的研究转而考察无意识加工对谎言识别的影响。本文从测谎者的角度出发, 考察测谎者的无意识加工是否可以提高其谎言识别的正确率。本文梳理了关于无意识谎言识别的理论建构, 总结了无意识谎言识别的实证研究, 从无意识的信息接收、信息接收后的无意识思维以及无意识判断决策三个方面详细介绍了近年来的重要的成果和主要的争议。针对目前研究的困境, 本文提出未来的研究应该重点关注理论建构、交互式谎言情境、线索加工匹配效应、测试生理和脑激活指标以及无意识谎言识别的应用等五个方面。 相似文献
186.
错误相关负电位(ERN)及其理论解释 总被引:1,自引:0,他引:1
错误动作发生后,在个体额叶中部可观察到一个明显的负相电位偏移,这称为“错误相关负电位”(error related negativity,ERN)。有研究者提出了“强化学习理论”,认为ERN反映了当前行为结果与预期之间的差异。与此不同的是“冲突监控理论”,认为ERN与反应冲突有关。还有研究者提出了“失匹配理论”,强调实际反应的神经表征(错误反应)与当前任务所要求的反应表征的差异产生了ERN。在阐述ERN的理论解释基础上,对三者之间的关系进行了分析与整合。 相似文献
187.
188.
Abigail A. Scholer Steven J. Stroessner 《Journal of experimental social psychology》2008,44(3):767-774
Regulatory focus theory distinguishes between two motivational systems—a promotion system concerned with nurturance and advancement and a prevention system concerned with security and safety [Higgins, E. T. (1997). Beyond pleasure and pain. American Psychologist, 52, 1280-1300]. In signal detection terms, a preference for eager strategies within the promotion system has been equated with a “risky” bias, whereas a preference for vigilant strategies within the prevention system has been equated with a “conservative” bias. However, we propose that when prevention-focused individuals face negative input, they should be willing to incur false alarms to ensure that negative stimuli are correctly identified. Across six studies, we found for negative stimuli a reversal of the traditional finding that prevention participants show a conservative bias in information processing. In these studies, prevention participants consistently exhibited a risky bias when the input was negative. We suggest that this new tactic—a risky bias in response to negativity—best serves the prevention strategy of vigilance. 相似文献
189.
Pinkston JW Ratzlaff KL Madden GJ Fowler SC 《Journal of the experimental analysis of behavior》2008,90(2):249-255
The reproducibility of experimental outcomes depends on consistent control of independent variables. In food-maintained operant performance, it is of utmost importance that the quantity of food delivered is reliable. To that end, some commercial food pellet dispensers have add-on attachments to sense the delivery of pellets. Not all companies, however, offer such add-ons. Aside from availability, cost and temporary reduction in throughput may be a problem for smaller labs. The present paper outlines our recent development of a simple, inexpensive infrared device to detect and confirm the delivery of pellets. The in-line construction of the detector routes the falling pellet through a barrel so that it passes between an infrared emitter and receiver. The circuitry was designed to be compatible with all commercially available behavioral measurement systems, and so may be retrofit to any existing system. Our tests with the detector so far have shown that it is 100% accurate in detecting pellet delivery. The individual unit cost is approximately 25 dollars. The low cost and versatility of the device offer an easy method to ensure the integrity of food delivery in operant settings. 相似文献
190.
The fields of cognitive neuroscience and neuropsychology have contributed an extensive corpus of research to the study of
error monitoring processes in younger adults; however, less is known about error handling in older adults. This paper highlights
current conceptualizations of error detection and correction in healthy and impaired older adult populations. The literature
suggests that some error handling processes require fewer processing resources than others and may be performed relatively
automatically. Compared with young adults, older adults demonstrate a reduced ability to recognize errors, but exhibit similar
rates of correction. Older adults diagnosed with a neurodegenerative disease (e.g. Alzheimer’s disease) show a reduced ability
to detect and correct their action errors. Thus, neurodegenerative disease processes amplify the impairments in error identification
associated with normal aging by disrupting both automatic and controlled error corrections. The clinical implications of our
current knowledge are discussed, and directions for future neuropsychological research are offered.
相似文献
Tania GiovannettiEmail: |