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411.
为考察不同行为激活系统/行为抑制系统下的个体在Iowa赌博任务反应模式下的决策行为,本研究采用人格问卷与行为实验相结合的方式,探讨了人格、冲动和行为决策间的关系。结果发现:(1)行为激活系统三个维度与行为决策存在显著负相关,行为激活系统低分组的IGT得分较高,行为激活系统高分组的IGT得分较低,而冲动特征与IGT得分相关不显著;(2)行为激活系统高、低分者在IGT任务上差异显著,且行为激活系统高分组者在收益-风险并存情境中表现出"即时收益优先"的决策模式。结果提示,在收益-风险并存情境中,高行为激活的人格特征者倾向风险决策模式。 相似文献
412.
In studies on auditory speech perception, participants are often asked to perform active tasks, e.g. decide whether the perceived sound is a speech sound or not. However, information about the stimulus, inherent in such tasks, may induce expectations that cause altered activations not only in the auditory cortex, but also in frontal areas such as inferior frontal gyrus (IFG) and motor cortices, even in the absence of an explicit task. To investigate this, we applied spectral mixes of a flute sound and either vowels or specific music instrument sounds (e.g. trumpet) in an fMRI study, in combination with three different instructions. The instructions either revealed no information about stimulus features, or explicit information about either the music instrument or the vowel features. The results demonstrated that, besides an involvement of posterior temporal areas, stimulus expectancy modulated in particular a network comprising IFG and premotor cortices during this passive listening task. 相似文献
413.
An experiment was conducted to determine whether children at different ages (3-5 vs 9-11) differ in their tendency to share the emotion of a television character. Subjects were shown a videotape of either a frightening stimulus alone or a character's fear in response to a threatening stimulus that was suggested rather than shown directly. Contrasting predictions were made based on a cognitive-developmental view of the process of empathy vs an automatic conception. Both self-reported emotional reactions and physiological responses were consistent with the cognitive-developmental approach: The younger children were less emotionally aroused by the character's fear than by the fear-provoking stimulus, while the older children responded emotionally to both versions of the videotape. The younger children's lack of empathy was not due to a failure to recognize the nature of the character's emotion. There was some evidence that the older children exhibited a greater tendency to role take than did the younger children. 相似文献
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The development of two types of reversible operations was examined in three tasks involving a two-armed balance scale. The first type of reversible operation, compensation between dimensions, was shown to undergo considerable development between eighth grade and college. Even eighth graders were inconsistent in applying compensation to those versions of the balance scale task that required it. Some subjects, primarily preschoolers, used the given information in a way that was the opposite of that required for correct answers, a result that has been reported for other tasks requiring compensation. A second type of reversible operation, termed “correspondence of patterns”, was also tested and it was tentatively concluded that the responses of the modal college student are not fully reversible in this sense. This finding is also similar to results obtained in judgments of time, speed, and distance and in social judgment studies with college students. 相似文献
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Second- and sixth-grade children were presented a list of paired associates (concrete nouns) either at a faster (6-second) or a slower (12-second) presentation rate, under either an instruction to generate an interactive image for the pairs or a no strategy, control instruction. The list was composed of two pair types: easy-to-imaginally relate and difficult-to-imaginally relate pairs, as determined from a prior norming study. At the faster presentation rate, 2nd graders were able to benefit from the imagery strategy with easy pairs, but not with difficult pairs. At the slower rate, however, they applied the imagery strategy equally well to both pair types. Older children benefited from the imagery strategy with both pair types at both rates. 相似文献
418.
Joel R Levin Elizabeth S Ghatala Thomas M DeRose Lois A Makoid 《Journal of experimental child psychology》1977,23(1):78-83
Previous research has shown that requiring children to trace from memory the correct member of a pictorial discrimination pair markedly facilitates performance. The experiment reported here offers support for a presumed component of this learning strategy, namely, “memory imagery.” In particular, subjects who traced directly on top of the correct picture did not perform as well as those who traced it from memory. Various theoretical explanations of the image-tracing phenomenon are considered, including depth of processing, dual coding, and frequency. 相似文献
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