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41.
Jeesun Kim 《Visual cognition》2013,21(7):1017-1033
The study examined the effect that auditory information (speaker language/accent: Japanese or French) had on the processing of visual information (the speaker's race: Asian or Caucasian) in two forced-choice tasks: Classification and perceptual judgement on animated talking characters. Two (male and female) sets of facial morphs were constructed such that a 3-D head of Caucasian appearance was gradually morphed (in 11 steps) into one of Asian appearance. Each facial morph was animated in association with spoken French/Japanese or English with a French/Japanese accent. To examine the auditory effect, each animation was played with or without sound. Experiment 1 used an Asian or Caucasian classification task. Results showed that faces heard in conjunction with Japanese or a Japanese accent were more likely to be classified as Asian compared to those presented without sound. Experiment 2 used a same or different judgement task. Results showed that accuracy was improved by hearing a Japanese accent compared to without sound. These results were discussed in terms of the voice information acting as a cue to assist in organizing and attending to face features. 相似文献
42.
Eduardo Fernández-Jiménez María Ángeles Pérez-San-Gregorio Graeme J. Taylor R. Michael Bagby Lindsay E. Ayearst Guillermo Izquierdo 《International Journal of Clinical and Health Psychology》2013,13(3):226-234
There have been a small number of investigations of alexithymia in multiple sclerosis (MS) using the 20-item Toronto Alexithymia Scale (TAS-20). However, the TAS-20 factor structure has not yet been evaluated in a MS patient sample, and earlier Spanish translations of this instrument require some improvement. We aimed to evaluate the factorial validity and reliability of an improved Spanish translation of the TAS-20 (the TAS-20-S). The TAS-20-S was completed by 221 MS patients. Confirmatory factor analysis was used to compare the fit of six different factor models. Internal consistency and retest reliability coefficients were also computed. The correlated three-factor model and the higher-order factor model made up of Difficulty Identifying Feelings, Difficulty Describing Feelings, and Externally Oriented Thinking achieved the best fit. Alpha coefficients ranged between .87 and .67; mean inter-item correlations ranged between .48 and .20; and retest correlations after 6 months ranged between .61 and .52. A high degree of alexithymia was present in 18.1% of the sample. Reliability and the traditional three-factor structure were demonstrated for the TAS-20-S, which can now be recommended for assessing an aspect of emotional processing in MS patients. 相似文献
43.
《Quarterly journal of experimental psychology (2006)》2013,66(11):2155-2168
In naming a picture at the basic level, a semantically related distractor word induces interference in comparison to an unrelated word. When the task is changed from basic-level naming to categorization, however, this effect reverses to semantic facilitation. In previous studies, this semantic facilitation effect was attributed to “message congruency” at the conceptual level. The present study examines the nature of this message congruency effect: Is it due to competition between two activated category concepts in the incongruent condition or is it due to convergence of activity on a single category concept in the congruent condition? Two experiments show that neither the strength with which the context stimulus activates an incongruent category concept nor the semantic distance between the category concepts activated by target and distractor affect target categorization speed. We conclude that the message congruency effect is most likely due to convergence on a single category concept in the category-congruent condition. 相似文献
44.
The aim of the present study was to show that the probability of an item being retrieved is proportional to its spatial distinctiveness, and that this distinctiveness effect can be obtained in an implicit memory task. The participants were presented with two phases in which they had to categorise pictures of objects as either “kitchen utensils” or “do-it-yourself tools”. In our encoding phase, the pictures were successively presented in different positions on the screen. The positions were arranged in one of two different configurations: a “distinctive condition” in which the pictures were placed in two circles, one central and one peripheral, such that the distance between the pictures was greater when they were in a peripheral position than in a central position, and a “nondistinctive” condition, in which the distance between the pictures was constant irrespective of their central or peripheral position. In the test phase, the same pictures were presented for categorisation, mixed with new pictures at the centre of the screen. The results clearly confirmed our expectations. 相似文献
45.
Varieties of Anger: The Relation Between Emotion Terms and Components of Anger Expressions 总被引:1,自引:0,他引:1
Component theory (C. Smith & H. Scott, 1997) predicts that presence of component movements (action units) alters the decoded meaning of a basic emotional expression. We tested whether the meaning of the basic expression of anger varied when different components were present in the expression. Participants were asked to label variants of anger from Ekman and Friesen's Pictures of Facial Affect using 15 anger terms, and invariance of labeling was tested by manipulating the judgment task. Data were analyzed using consensus analysis, multidimensional scaling, and numerical scaling. Components did not result in consensus about fine distinctions in the meanings of the anger expressions. Varying the type of task strongly affected results. We believe this occurred because language elicits different categorization processes than evaluation of facial expressions nonverbally. 相似文献
46.
Gary D. Levy 《Infant and child development》2003,12(2):197-203
Thirty‐two 10‐month‐olds were habituated to stimuli containing an African–American female face or a white female face paired with a specific object. Test stimuli maintained or violated habituation stimuli pairings (i.e. categories). Results add to an emerging literature showing that 10‐month‐olds perceive categories of social information based on detection of correlated attributes. Copyright © 2003 John Wiley & Sons, Ltd. 相似文献
47.
Jianhong Shen 《Visual cognition》2016,24(3):260-283
Recent years has seen growing interest in understanding, characterizing, and explaining individual differences in visual cognition. We focus here on individual differences in visual categorization. Categorization is the fundamental visual ability to group different objects together as the same kind of thing. Research on visual categorization and category learning has been significantly informed by computational modelling, so our review will focus both on how formal models of visual categorization have captured individual differences and how individual difference have informed the development of formal models. We first examine the potential sources of individual differences in leading models of visual categorization, providing a brief review of a range of different models. We then describe several examples of how computational models have captured individual differences in visual categorization. This review also provides a bit of an historical perspective, starting with models that predicted no individual differences, to those that captured group differences, to those that predict true individual differences, and to more recent hierarchical approaches that can simultaneously capture both group and individual differences in visual categorization. Via this selective review, we see how considerations of individual differences can lead to important theoretical insights into how people visually categorize objects in the world around them. We also consider new directions for work examining individual differences in visual categorization. 相似文献
48.
Hazard perception is one of the few quantifiable components of driving competency that can explain the high crash risk of novice drivers (see Horswill & McKenna, 2004). Some studies focused on investigating the stimulus part of hazard perception items by comparing several design features of the displayed traffic scenarios (e.g. Malone et al., 2012; Scialfa et al., 2013). Other empirical studies have been conducted to address the reaction part of hazard perception items (e.g. Vlakveld, 2014). Among others, existing hazard perception tests differ with respect to the ecological validity – the similarity to real-world demands – of the task that has to be completed by the participants (simple reaction, hazard localization, simulated driving, etc.). Based on the findings of general expertise research (see Glaser & Chi, 1988), the hypothesis of the present experiment was that an increased ecological validity of a hazard perception task has a positive effect on the magnitude of performance differences between more and less experienced drivers. 104 learner drivers and 51 experienced drivers were randomly assigned either to a less ecological valid version (multiple choice task) or a higher ecological valid version (reaction task) of a hazard perception test. In both conditions, the same 20 animated hazardous or non-hazardous traffic scenarios were presented. Overall, the experienced drivers outperformed the learner drivers. Principally, both of the applied versions of the test provided a criterion valid measure of driving expertise. However, increasing the ecological validity of the test by using a reaction task was especially beneficial for certain types of scenarios, leading to higher expertise-related differences. In addition, the reaction task provides response time measure as a further valid performance indicator. This allows the identification of those participants who are indeed able to detect a hazard in a certain scenario, but still have deficits in response time, compared to more experienced drivers. According to the present study, it is recommended to choose the reaction task over the multiple choice task to test hazard perception. Whether a further increase in ecological validity of the task would be useful, should be tested empirically in future research. 相似文献
49.
118名儿童、少年、青年、中年和老年被试参加"位置法"记忆训练,在训练前后对被试进行了一些认知功能的测查,以探讨被试的年龄及认知能力诸因素对记忆训练效果的影响及其预测性。结果表明:①训练前字词和图形记忆成绩、"数字符号"测验成绩与训练后记忆成绩相关极其显著,"词汇"测验成绩和想象力与训练后记忆成绩的相关也达到显著性水平;②年龄与训练后记忆效果的关系是非线性的;③除"词汇"成绩外,各项认知成绩均可预测训练后字词记忆成绩,训练后的图形记忆迁移效果可由"数字符号"测验成绩预测。 相似文献
50.
Background & objectives: Social anxiety disorder (SAD) is a debilitating condition, and approximately half of adults who stutter have SAD. Cognitive-behavioral therapy (CBT) has shown promise in decreasing social anxiety symptoms among adults who stutter, but exposure, arguably the essential component for successful CBT for SAD, has been understudied and underemphasized. Aims of this study were to develop an exposure therapy protocol designed specifically for people who stutter and have SAD and evaluate its potential efficacy in reducing social anxiety and stuttering severity using a multiple baseline design.Methods: Six participants received ten sessions of exposure therapy. Participants reported daily social anxiety, and social distress and stuttering severity were evaluated at major assessment points.Results: There were substantial reductions in social anxiety and considerable improvements in affective, behavioral, and cognitive experiences of stuttering. No consistent change was observed for stuttering frequency. Gains were mostly maintained after six-months.Conclusions: Results suggest that the novel exposure approach may decrease social distress, but not necessarily influence speech fluency. These findings underscore the importance of the assessment and treatment of SAD among adults who stutter and suggest that the integration of care between clinical psychologists and speech-language pathologists may prove beneficial for this population. 相似文献