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81.
In the last few years, especially after the Brexit referendum and the 2016 U.S. elections, there has been a surge in academic interest for misinformation and disinformation. Social, cognitive, and political scientists' work on these phenomena has focused on two main aspects:
- Individuals' (and by extension societies') vulnerability to misinformation;
- Factors and interventions that can increase individuals' (and societies') resistance to misinformation.
82.
In two experiments, we examined the representation, treatment, and attention devoted to the members of reference (i.e., club members) and nonreference (i.e., not club members) categories. Consistent with prior work on category interrelatedness (e.g., Goldstone, 1996; Goldstone, Steyvers, and Rogosky, 2003), the findings reveal the existence of asymmetric representations for reference and nonreference categories, which, however, decreased as expertise and familiarity with the categories increased (Experiments 1 and 2). Participants also more readily judged two reference exemplars as being the same than they did two nonreference exemplars (Experiment 1) and were better at detecting reference than nonreference exemplars in a set of novel, category-unspecified exemplars (Experiment 2). These findings provide evidence for the existence of a feature asymmetry in the representation and treatment of exemplars from reference and nonreference categories. Membership in a reference category acts as a salient feature, thereby increasing the perceived similarity and detection of faces that belong in the reference, in comparison with the nonreference, category. 相似文献
83.
According to Dempster, Piagetian tasks have more to do with the child’s ability to resist (inhibit) interference than they do with the ability to grasp their underlying logic. Here we used a chronometric paradigm with 9‐year‐olds, who succeed in Piaget’s conservation of number task, to test the role of cognitive inhibition in a priming version of this classical task. The experimental design was such that the misleading strategy ‘length‐equals‐number’ to inhibit on the prime (a Piaget‐like item with number/length interference) became a congruent strategy to activate on the probe (a subsequent item where number and length covaried). A negative priming effect of 158 ms was observed for the prime–probe sequence. This result confirms that success on Piaget‐like tasks (the prime) requires an inhibition process. 相似文献
84.
In a previous study, it was shown that a 50/50 morph of a typical and an atypical parent face was perceived to be more similar to the atypical parent face than to the typical parent face (Tanaka, Giles, Kremen, & Simon, 1998). Experiments 1 and 2 examine face typicality effects in a same/different discrimination task in which typical or atypical faces and their 80%, 70%, 60%, and 50% morphs were presented sequentially (Experiment 1) or simultaneously (Experiment 2). The main finding was that in both modes of presentation, atypical morphs were more poorly discriminated than their corresponding typical morphs. In Experiment 3, typicality effects were extended to the perception of nonface objects; in this instance, it was found that 50/50 morphs of birds and cars were judged to be more similar to their atypical parents than to their typical parents. These results are consistent with an attractor field model, in which it is proposed that the perception of a face or object stimulus depends not only on its fit to an underlying representation, but also on the representation's location in the similarity space. 相似文献
85.
大脑前扣带回皮层与执行功能 总被引:11,自引:2,他引:9
回顾了近期有关大脑前扣带回皮层(ACC)参与执行功能的研究资料。结果显示,ACC可以对正在进行的目标定向行为实施在线监控,在出现反应冲突或错误时提供信号,以便能及时调整与分配注意资源,因此可能是一个行为规划与执行的高级调控结构。这两年来的新发现提示,ACC的执行监控作用可能是基于动机与奖赏期待做出的对“意志行动”的整合性控制,并可能具有对行动结果的情绪评价意义。 相似文献
86.
Findings on both attractiveness and memory for faces suggest that people should perceive more similarity among attractive
than among unattractive faces. A multidimensional scaling approach was used to test this hypothesis in two studies. In Study
1, we derived a psychological face space from similarity ratings of attractive and unattractive Caucasian female faces. In
Study 2, we derived a face space for attractive and unattractive male faces of Caucasians and non-Caucasians. Both studies
confirm that attractive faces are indeed more tightly clustered than unattractive faces in people’s psychological face spaces.
These studies provide direct and original support for theoretical assumptions previously made in the face space and face memory
literatures. 相似文献
87.
Corneille, Huart, Becquart, & Brédart (2004) found that people remember ambiguous race faces as closer to a race prototype than they actually are. In three studies, we examined whether this memory bias generalizes to voice memory. In Studies 1 and 2, participants listened to synthesized male and female speech samples (high, moderate, or low pitch) and were asked to identify a voice target when paired against distracters higher or lower in pitch. The results showed that pitch distortions occurred, with the pattern consistent with assimilation toward low and high ends of the pitch continuum. Study 3 replicated this result with a wider voice pitch range. The results parallel those of Corneille et al. (2004). The implications of this work are discussed. 相似文献
88.
神经科学家F.Pulvermüller根据Hebb的“细胞群集”学说和相关性学习原理构建的“语言表征的神经生物学理论”首次试图基于皮层功能网络来解释语音、词汇和句法在大脑皮层的表征机制,不仅能较好地描述语言活动中经典语言脑区与其它参与活动脑区的相互关系,也对语言加工的大脑功能偏侧化与整合现象作了合适的说明。本文介绍了这一理论的主要观点和研究资料,并提出了一些尚需进一步研究的问题。 相似文献
89.
In this research, we investigated the psychometrical properties of the Trait Emotional Intelligence Questionnaire (TEIQue, Petrides & Furnham, 2003) in a French-speaking population. In summary, we found that (a) TEIQue scores were globally normally distributed and reliable; (b) the United Kingdom four-factor structure (well-being, self-control, emotionality, sociability) replicated in our data; (c) TEIQue scores were dependent on gender but relatively independent of age; (d) there was preliminary evidence of convergent/discriminant validity, with TEIQue scores being independent of nonverbal reasoning (Raven's [1976] matrices) but positively related to some personality dimensions (optimism, agreeableness, openness, conscientiousness) as well as inversely related to others (alexithymia, neuroticism); (e) there was also preliminary evidence of criterion validity, with TEIQue scores predicting depression, anxiety, and social support as well as future state affectivity and emotional reactivity in neutral and stressful situations; (f) TEIQue scores were susceptible to socially desirable responding; however, (g) TEIQue scores had incremental validity to predict emotional reactivity over and above social desirability, alexithymia, and the Five-factor model of personality. Such results constitute encouraging preliminary findings in favor of the use of the TEIQue. 相似文献
90.
Recent models of the conceptual system hold that concepts are grounded in simulations of actual experiences with instances of those concepts in sensory-motor systems (e.g., Barsalou, 1999, 2003; Solomon & Barsalou, 2001). Studies supportive of such a viewhave shown that verifying a property of a concept in one modality, and then switching to verify a property of a different concept in a different modality generates temporal processing costs similar to the cost of switching modalities in perception. In addition to non-emotional concepts, the present experiment investigated switching costs in verifying properties of positive and negative (emotional) concepts. Properties of emotional concepts were taken from vision, audition, and the affective system. Parallel to switching costs in neutral concepts, the study showed that for positive and negative concepts, verifying properties from different modalities produced processing costs such that reaction times were longer and error rates were higher. Importantly, this effect was observed when switching from the affective system to sensory modalities, and vice-versa. These results support the embodied cognition view of emotion in humans. 相似文献