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651.
BackgroundAdding haptic input by lightly touching a railing or using haptic anchors may improve walking balance control. Typical use of the railing(s) and haptic anchors requires the use of one and two arms in an extended position, respectively. It is unclear whether it is arm configuration and/or the number of arms used or the addition of sensory input that affects walking balance control.Research questionThis study examined whether using one arm or two arms to add haptic input through light touch on a railing or using the haptic anchors affects walking balance control.MethodsIn this study, young adults (n = 24) walked while using (actual use) or pretending to use (pretend use) the railing(s) and haptic anchors with one or two arms. Inertial-based sensors (Mobility Lab, APDM) were used to measure stride velocity, relative time spent in double support (%DS), and peak normalized medio-lateral trunk velocity (pnMLTV).ResultsUsing two arms lead to a decrease in pnMLTV compared to using one arm and pnMLTV was lower in the actual use trials compared to the pretend use trials for the anchors only. Stride velocity and %DS did not change between trials when one or two arms were used or when participants actually or pretended to use the haptic tools. Participants walked slower when using the railing compared to the anchors.SignificanceThe importance of considering the number of arms is highlighted in the improved balance control when using two arms with either tool. The augmented sensory input adds to the stabilizing effect of arm configuration for the anchors but not the railings. These results have implications for future research and rehabilitation efforts emphasizing sensorimotor integration to improve walking balance control. 相似文献
652.
C. Peeper McDonald Catherine Y. Chang Franco Dispenza Caroline OHara 《Journal of counseling and development : JCD》2019,97(1):75-85
Because of the expansive multiracial population growth in the United States, the authors explored multiracial identity integration (MII), color‐blind racial ideology (CBRI), and discrimination using regression analyses with 288 individuals. CBRI and discrimination significantly correlated and predicted MII, with 15.3% of the variance explained by discrimination and CBRI. Moderation analysis revealed that CBRI did not moderate the relationship between discrimination and MII. Continued research among multiracial individuals is recommended to better understand the CBRI and racial identity link. 相似文献
653.
Text–picture integration is one of the most important cognitive processes when reading illustrated text. There is empirical evidence that text‐picture integration takes place when learning with pictures combined with single sentences. The present experiment investigated whether text–picture integration also takes place when the single sentences are embedded into longer text segments and hence when materials become more complex. In a within‐subjects design, 43 participants read an illustrated story, in which the different combinations of general and specific sentences and pictures, respectively, were embedded. In line with previous findings, participants were more likely to falsely recognize specific versions of the sentences after having studied their general versions combined with specific pictures. Thus, the experiment shows that text–picture integration also occurs when learners have to read longer text passages combined with pictures. 相似文献
654.
The study of multi‐cue judgment investigates how decision makers aggregate cues to predict the value of a criterion variable. We consider a multi‐cue judgment task in which decision makers have prior knowledge of inter‐cue relationships but are ignorant of how the cues correlate with the criterion. In this setting, a naive judgment strategy prescribes weighting the cues equally. Although many participants are well described via an equal weighting scheme, we find that a substantial minority of participants make predictions consistent with a weighting scheme based on a low‐dimensional projection of the cue space that optimally takes into account inter‐cue correlations. The use of such a weighting scheme is consistent with minimizing maximal error in prediction when the cue‐criterion relationships are unknown. 相似文献
655.
采用个别测试和集体测试相结合的方法, 辅以个别访谈等技术, 运用自编的实验测试材料, 通过两个实验探索市场信息的量、关键启发信息的突出性等对商业投资问题的思维决策结果的影响, 初步探讨了市场信息整合的创造性思维过程和机制。实验结果发现, 提供给被试的市场信息越多, 信息整合的问题空间越大, 其整合过程难度越大; 在问题空间进行搜索时, 被试需要抓住关键启发信息形成一个初始意向, 明确进一步搜索的思维方向; 初始意向形成后, 被试须筛选必要信息、排除冗余信息, 并进一步整合有用信息, 使初始意向更加精致化, 最终形成一个“可盈利的完善的投资方案”。 相似文献
656.
657.
John Zimmerman Amy K. Hurst Michel M. R. Peeters 《Knowledge, Technology, and Policy》2007,20(1):51-57
Traditionally, designers have explored the aesthetics of interaction through the relationship between the product form and
the activity people use it for. However, in the increasing complexity of interconnected and multi-activity devices in the
home, aesthetics have been sacrificed in a move to increase usability. In this paper, we present an emerging theory that interaction
designs that take a contextual integration approach can draw interaction aesthetics from the context instead of the activity
to address the increased complexity. In addition, we present a conceptual interaction widget called the fabric-circle-slider
that draws its interaction aesthetic from a lounge chair – the context of use – and supports interaction with many devices. 相似文献
658.
NLP简快心理疗法于20世纪70年代创立于美国,80~90年代得到完善、发展和逐步推广。它吸取了精神分析、行为主义及人本主义流派的理论和治疗方法并加以整合优化,形成了以检定语言模式、思考与暗示语言模式、激发潜意识与自我暗示模式为优势和特点的心理咨询与治疗的方法,对心理咨询和治疗理论与实践的发展起到了积极的作用。 相似文献
659.
It is well established that the dorsal hippocampal formation is crucial for spatial memory in rats. However, little is known about the distinct functions of the dorsal hippocampus and the dorsal subiculum. To examine the role of the dorsal hippocampus and the dorsal subiculum, Long-Evans rats with excitotoxic lesions (NMDA) of the dorsal hippocampus (DH), the dorsal subiculum (DS), or both (DHDS), and controls were trained on a nonmatching-to-place task. Then, to identify the strategy used by each group, they were tested on the same task in the dark with the T-maze being rotated between the sample and the test runs. In the light, rats with combined lesions were impaired. In the dark, groups DH, DS, and controls performed near chance level except in trials without rotation, suggesting the use of a sense of direction. The same rats were trained on a radial-arm maze task. In the light, where proximal visual cues were accessible, combined lesions affected performance whereas in the dark, it was impaired by all lesions. This experiment demonstrated that the dorsal subiculum and the dorsal hippocampus play a crucial role in processing idiothetic information and/or in maintenance of this information in memory. 相似文献
660.