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Yao WX DeSola B Zunker W Zhong CB Wallace SA Ding Y 《Perceptual and motor skills》2007,104(2):611-620
Subtended angle has been assumed to be an important factor in both response programming time and kinematic characteristics of aiming movements. Support for this assumption has come mainly from studies in which circular targets have been used. However, with circular targets, the subtended angle covaries with the size of the target in the principal direction of the movement (tolerance width). The purpose of this study was to examine the effects of tolerance width and subtended angle on aiming movement with multiple targets. Participants first hit a 5-cm-diameter circular target located 8 cm to the left of a starting position and then moved another 8 cm left to hit either a 5-cm diameter circular target or a 5- x 1-cm rectangular target oriented either horizontally or vertically, depending on the condition. Analysis showed that reaction times and movement times were longer for the vertical rectangular target, which had a smaller tolerance width than the other two targets. In addition, the vertical rectangular target also showed a greater percentage of secondary-submovement trials, lower movement velocity, and higher peak vertical displacement. Overall, the results indicate that the tolerance width of the target may impose more constraints on aiming movements than subtended angle. 相似文献
123.
党的十九届五中全会通过了《中共中央关于制定国民经济和社会发展第十四个五年计划和二〇三五年远景目标的建议》,开启了全面建设社会主义现代化国家新征程。会议鼓舞人心,引人深思,催人奋进。由教育部人文社会科学重点研究基地李萍所长倡议,中山大学马克思主义哲学与中国现代化研究所暨哲学系、广东哲学学会、广东伦理学学会、广东马克思主义学会、现代哲学杂志社,联合组织了以“新时代·新理念·新格局”为主题的“学习贯彻党的十九届五中全会精神”的视频会议,哲学界尤其是马克思主义哲学专业近二十位专家与会,交流学习心得,共商学术大是。这里刊登部分发言。本刊后续还将组织此一主题的专栏文章。 相似文献
124.
王重阳创立的以"全真而仙"为核心的修道论,远承老庄之学,融贯儒佛思想,分别从"全真"、"修心"、"真行"等不同层面,把老庄道家的"见素抱朴""法贵天真"思想,自然超脱的养心论和老子"不善者吾亦善之"的慈善济世思想推向了一个新的高度,实现了对老庄思想的复归与超越,增强了道教的普世性,提升了道教的思想水平。 相似文献
125.
Jian Yang Ning Zhong Peipeng Liang Jue Wang Yiyu Yao Shengfu Lu 《Cognitive Systems Research》2010,11(1):16-24
Brain activation detection is an important problem in fMRI data analysis. In this paper, we propose a data-driven activation detection method called neighborhood one-class SVM (NOC-SVM). Based on the probability distribution assumption of the one-class SVM algorithm and the neighborhood consistency hypothesis, NOC-SVM identifies a voxel as either an activated or non-activated voxel by a weighted distance between its near neighbors and a hyperplane in a high-dimensional kernel space. The proposed NOC-SVM are evaluated by using both synthetic and real datasets. On two synthetic datasets with different SNRs, NOC-SVM performs better than K-means and fuzzy K-means clustering and is comparable to POM. On a real fMRI dataset, NOC-SVM can discover activated regions similar to K-means and fuzzy K-means. These results show that the proposed algorithm is an effective activation detection method for fMRI data analysis. Furthermore, it is stabler than K-means and fuzzy K-means clustering. 相似文献
126.
In the paper, we present a multi-aspect data analysis approach for investigating human computation mechanism. Multi-aspect analysis in multiple human brain data sources is an important methodology in Brain Informatics, which emphasizes on a systematic way for investigating human information processing mechanisms, including measuring, collecting, modeling, transforming, managing, and mining multiple human brain data obtained from various cognitive experiments by using powerful equipments, such as fMRI and EEG. After giving an outline of Brain Informatics methodology, we describe how to design cognitive experiments of mental arithmetic task with multiple difficulty levels for obtaining multiple EEG and fMRI data sources, and how to analyze such data for investigating the spatiotemporal characteristics and flow of human computation processing. Such an investigation can be regarded as a case study using Brain Informatics methodology. Experimental results show the usefulness of our approach. 相似文献
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128.
Weiguo Yang Yanjun Guan Xin Lai Zhuolin She Andrew John Lockwood 《Journal of Vocational Behavior》2015
Based on career construction theory, the current research examined the relationship between career adaptability and perceived overqualification among a sample of Chinese human resource management professionals (N = 220). The results of a survey study showed that career adaptability predicted perceived overqualification through a dual-path model: On the one hand, career adaptability positively predicted employees' perceived delegation, which had a subsequent negative effect on perceived overqualification. At the same time, career adaptability also positively predicted career anchor in challenge, which in turn positively predicted overqualification. This dual-path mediation model provides a novel perspective to understand the mechanisms through which career adaptability affects perceived overqualification, and demonstrates the coexistence of opposite effects in this process. In addition, the results also showed that the effects of perceived delegation and career anchor in challenge on perceived overqualification were stronger among employees with a higher (vs. lower) level of organizational tenure. These findings carry implications for both career development theories and organizational management practices. 相似文献
129.
Resource availability hypothesis: Perceived financial and caloric status affect individuals' height preferences for potential partners
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Qingzhou Sun Liandi Lou Jingyi Lu Xiaoming Wang Jun Zhong Xuyun Tan Yanxia Li Yongfang Liu 《International journal of psychology》2016,51(5):340-347
Height is an important concern in human mate choices. Prior research indicates that people who live in areas with abundant resources differ from those who live in areas with scarce resources regarding height preferences. Based on a health‐maximizing principle, we propose a resource availability account for such differences. Compared with women's height preferences, men's height preferences are hypothesized to be more dependent on either financial or caloric resource availability. Specifically, taller females would be more preferred by males who are poor in resources than those who are rich in resources. Results from three studies supported these hypotheses. In Study 1, men from remote areas of China who had lower family income preferred taller women more than those from eastern China who had higher family income. In Study 2, men who were financially dissatisfied preferred taller women more than those who were financially satisfied. In Study 3, men with low caloric status preferred taller women more than men with high caloric status. In addition, women's height preferences in Studies 1, 2 and 3 were less determined by resource availability. These findings suggest that height preferences are changeable, depending on financial or caloric status. 相似文献
130.
客体化理论提出,女性在成长过程中经历了被他人凝视、在人际交往中被强调外表的重要,以及媒体信息对女性性吸引力的突出等信息,这些直接或者间接的因素导致了部分女性接受以“第三者”的观察视角来看待自己,看重自身的生理功能而忽视了个人能力。当这种性客体化内化之后,其结果就是自我客体化。自我客体化会造成如抑郁、焦虑、身体羞耻感等情绪问题; 进食障碍以及与性行为相关的行为障碍。最新的研究在此基础上对研究对象以及研究范围进行了扩展:在研究对象上,从女性群体扩展到男性群体,从异性恋群体扩展到同性恋群体; 在研究范围上,从性客体化扩展到去人性的工具客体化。未来的研究需要从文化差异、性别趋同和配对研究三个方向进一步探讨亲密关系中的客体化形成的内在机制及其影响因素。 相似文献