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31.
本研究以词图匹配材料为学习材料,以“大多数人选择的情况”为社会性线索,通过分析行为表现和眼动指标,探讨了社会性线索对内隐和外显元认知监控的影响。结果显示:(1)第一次信心判断时,外显信心判断显著高估,内隐信心判断较为准确。第二次信心判断时,在线索一致条件下,外显信心判断等级显著高于内隐信心判断。(2)在提供社会性线索阶段和第二次再认阶段,与线索一致条件相比,线索不一致条件下被提示项的注视时间更短,而未提示项的注视时间更长,且个体改变选择的次数显著增多。结果表明:内隐和外显元认知监测存在分离,内隐监测的准确性更高,外显监测受社会性线索的影响更大;而内隐和外显的元认知控制受社会性线索的影响趋同。 相似文献
32.
There is growing interest in the use of consumer level exergames in movement skill acquisition. The purpose of this study was to investigate the relationship between movement proficiency and performance in virtual exergaming. Twenty seven children, aged 10–15 years participated in an experiment completing the Movement Assessment Battery for Children 2 (MABC-2) and a series of XBOX360 Kinect Sports exergaming tasks. Significant correlations were observed between MABC-2 aiming and catching percentile and exergame javelin and target kick, where the more proficient movers tended to perform better in the exergame. Statistically significant correlations were observed between MABC-2 balance percentile and exergaming sprint and target kick performance. In this study children who scored better in real life gross motor movement tasks performed better in most related exergaming activities. This suggests current exergaming technology has advanced to a point where body movement unencumbered by a physical or remote game device tether can extract movements resembling real life tasks, translate them into game play and reward proficient movers with higher in-game performance. It is possible that benefit gained in an exergaming environment by more proficient movers was a result of either their more proficient movement, or a greater ability to adapt to the exergame. 相似文献
33.
Faridullah Bezhan 《Islam & Christian-Muslim Relations》2014,25(2):193-210
The idea of pan-Islamism in Afghanistan emerged after the foundation of the Constitutional Party in the early 1900s. The party was an underground organization which had cells in an educational institution, the royal court and among the foreign group (Indians) employed in government departments. Pan-Islamism served to unite various political forces toward certain political and cultural goals. After the accession of Amanullah to the throne in 1919, pan-Islamism became a state policy. It served as the key to the government's foreign policy, especially towards the two imperial powers in the region, Britain and Russia. Amanullah used it as a means to fulfil his political expansionist ambitions. This article examines what pan-Islamism meant to the Constitutional Party and to King Amanullah, the reasons behind their approaches, and the political context that made pan-Islamism the most appealing ideological and political strategy for them. The article also explores the means the party and Amanullah used to propagate pan-Islamism. 相似文献
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Religious settlers exhibit a strong desire to settle the entire Land of Israel despite resistance among the local Palestinian population and among opposition within Israel. The return to the Promised Land and the establishment of settlements elicit strong emotions that are connected to the socio-spatial identities of the settlers. Introducing the concept of emotion work the article focuses on the collective construction of emotions inside the movement and on active practices directed at the Israeli audience at large. Emotions are elicited and regulated in the political process in order to make and defend territorial claims. After discussing the concepts of emotional geographies, emotion regulation, and emotion work, the article analyzes the multi-layered passions of the settlers and strategies of creating an emotional attachment to the conquered territories in the Israeli public. Finally, the Second Intifada revealed tensions between the desire for the land and a contracting geography of fear. The article discusses how the settlers dealt with violence, threats, and experiences of conjoint emotions. 相似文献
37.
JEREMY ELKINS 《The Psychoanalytic quarterly》2015,84(4):943-973
Among the central ideas associated with the name of Winnicott, scant mention is made of motility. This is largely attributable to Winnicott himself, who never thematized motility and never wrote a paper specifically devoted to the topic. This paper suggests both that the idea of motility is nonetheless of central significance in Winnicott's thought, and that motility is of central importance in the development and constitution of the bodily I. In elaborating both these suggestions, the paper gives particular attention to the connections between motility, continuity, aggression, and creativity in Winnicott's work. 相似文献
38.
Two types of adaptive processes involved in prism adaptation have been identified: slower spatial realignment among the several unique sensorimotor coordinate systems (spatial maps) and faster strategic motor control responses (including skill learning and calibration) to spatial misalignment. One measures the 1st process by assessing the aftereffects of prism exposure, whereas direct effects of the prism during exposure are a measure of the 2nd process. A model is described that relates those adaptive processes and distinguishes between extraordinary alignment and ordinary calibration. A conformal translation algorithm that operates on the hypothesized circuitry is proposed. The authors apply the model to explain the advantage of visual calibration when the limb is seen in the starting position prior to movement initiation. Implications of the model for the use of prism adaptation as a tool for investigation of motor control and learning are discussed. 相似文献
39.
In this study, the authors examined the interplay between biomechanics and control strategies in the resolution of excess degrees of freedom at the joint level. Seven participants made aimed arm movements from 30 starting points and several starting postures to targets. Final arm postures for movements to a target exhibited substantial joint angle variation. Through regression modeling and by comparing observed final arm postures with biomechanically plausible postures, the authors identified 3 kinematic strategies: (a) Maintain deviations from the average angle at the starting point to the joint's final posture; (b) make torso rotations that are a fixed proportion of shoulder rotations; and (c) adopt a characteristic combination of 4 wrist-positioning approaches. The results demonstrated that kinematic strategies can account for substantial variance in final arm postures, if one takes into account 2 types of individual differences—those that arise inevitably from biomechanical constraints and those that reflect choices in movement strategy. 相似文献
40.
In visuomotor tasks that involve accuracy demands, small directional changes in the trajectories have been taken as evidence of feedback-based error corrections. In the present study variability, or intermittency, in visuomanual tracking of sinusoidal targets was investigated. Two lines of analyses were pursued: First, the hypothesis that humans fundamentally act as intermittent servo-controllers was re-examined, probing the question of whether discontinuities in the movement trajectory directly imply intermittent control. Second, an alternative hypothesis was evaluated: that rhythmic tracking movements are generated by entrainment between the oscillations of the target and the actor, such that intermittency expresses the degree of stability. In 2 experiments, participants (N = 6 in each experiment) swung 1 of 2 different hand-held pendulums, tracking a rhythmic target that oscillated at different frequencies with a constant amplitude. In 1 line of analyses, the authors tested the intermittency hypothesis by using the typical kinematic error measures and spectral analysis. In a 2nd line, they examined relative phase and its variability, following analyses of rhythmic interlimb coordination. The results showed that visually guided corrective processes play a role, especially for slow movements. Intermittency, assessed as frequency and power components of the movement trajectory, was found to change as a function of both target frequency and the manipulandum's inertia. Support for entrainment was found in conditions in which task frequency was identical to or higher than the effector's eigenfrequency. The results suggest that it is the symmetry between task and effector that determines which behavioral regime is dominant. 相似文献