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111.
Yajing Pang Qian Cui Xujun Duan Heng Chen Ling Zeng Zhiqiang Zhang Guangming Lu Huafu Chen 《Journal of Neuropsychology》2017,11(3):347-361
Personality dimension extraversion describes individual differences in social behaviour and socio‐emotional functioning. The intrinsic functional connectivity patterns of the brain are reportedly associated with extraversion. However, whether or not extraversion is associated with functional hubs warrants clarification. Functional hubs are involved in the rapid integration of neural processing, and their dysfunction contributes to the development of neuropsychiatric disorders. In this study, we employed the functional connectivity density (FCD) method for the first time to distinguish the energy‐efficient hubs associated with extraversion. The resting‐state functional magnetic resonance imaging data of 71 healthy subjects were used in the analysis. Short‐range FCD was positively correlated with extraversion in the left cuneus, revealing a link between the local functional activity of this region and extraversion in risk‐taking. Long‐range FCD was negatively correlated with extraversion in the right superior frontal gyrus and the inferior frontal gyrus. Seed‐based resting‐state functional connectivity (RSFC) analyses revealed that a decreased long‐range FCD in individuals with high extraversion scores showed a low long‐range functional connectivity pattern between the medial and dorsolateral prefrontal cortex, middle temporal gyrus, and anterior cingulate cortex. This result suggests that decreased RSFC patterns are responsible for self‐esteem, self‐evaluation, and inhibitory behaviour system that account for the modulation and shaping of extraversion. Overall, our results emphasize specific brain hubs, and reveal long‐range functional connections in relation to extraversion, thereby providing a neurobiological basis of extraversion. 相似文献
112.
Ying Wei 《Journal of motor behavior》2017,49(4):422-428
The authors' purpose was to test the effect of asymmetric hand lifting on muscular activation patterns of 3 bilateral extensors. Eighteen male university students without back pain were volunteered. Each performed flexion–extension randomly with conditions of right lifting, left lifting, and nonlifting. Surface electromyography from bilateral thoracic, lumbar erector spinae, and hamstring was recorded. The cross-correlation and relative intensity in paired muscles of bilateral extensors was calculated in flexion as well as extension period. The results showed that the cross-correlation coefficient was decreased and the phase lag as well as the relative intensity of bilateral extensors was increased significantly in thoracic level. The phase lag as well as the relative intensity of bilateral extensors was increased significantly in lumbar level. It was concluded that asymmetric lifting has a significant effect on muscular activation of bilateral extensors in thorax level, which causes the ipsilateral extensor to activate larger and longer. Asymmetric lifting also has some effect on muscular activation of bilateral extensors in lumbar level but with less extent than in thorax level, which causes contralateral extensor to activate larger and longer. Asymmetric lifting seems to have no significant effect on muscular activation of bilateral hamstring. 相似文献
113.
Guohua Fan Lin Geng Zhenzhu Zheng Xiping Cui Dong Hu 《Philosophical Magazine Letters》2017,97(6):241-248
The aim of the present study is to reveal the most critical underlying factor influencing the mechanical properties of metal matrix composites (MMCs). It is shown that the mechanical properties of MMCs are essentially governed by the degree of strain localisation during plastic deformation. In other words, the MMCs exhibit superior mechanical performance only if the strain localisation is obviously inhibited and the accumulated stresses can be effectively transferred out. The work provides a new perspective in guiding the design of next-generation high-performance MMCs by suppressing the strain localisation as far as possible. 相似文献
114.
115.
通过3个实验探讨情绪概念加工与情绪面孔知觉是否存在相互影响, 以及加工深度对两者关系的影响。实验1采用情绪面孔启动范式, 探讨较深的情绪概念加工层面对情绪概念与情绪面孔的关系的影响。实验2更改概念任务, 探讨较浅的概念加工层面对两者关系的影响。实验3缩短启动面孔呈现时间, 探讨较浅的面孔知觉层面对两者关系的影响。通过研究主要得出以下结论:(1)情绪概念加工与情绪面孔知觉确实存在相互影响; (2)概念加工深度影响两者关系的方向性, 在较深的概念加工层面, 两者的关系是双向的, 在较浅的概念加工层面, 两者的关系是单向的; (3)知觉加工深度也影响两者关系的方向性, 在较深的知觉加工层面, 两者的关系是双向的, 在较浅的知觉加工层面, 没有发现两者的相互影响。本研究为抽象概念的具身表征提供了实证支持。 相似文献
116.
以北京市通州区一所普通中学的228名初一和初二学生为被试,采用领悟社会支持量表、数学自我效能感和数学学习坚持性问卷,考察在中学生数学学习中不同来源的社会支持对数学学习坚持性的影响,并检验数学自我效能感在其中的中介作用。结果发现:(1)社会支持中的教师支持和同伴支持能够显著正向预测数学学习坚持性水平,而父母支持的预测作用不显著;(2)数学自我效能感在同伴支持和数学学习坚持性之间起完全中介作用,在教师支持和数学学习坚持性之间起部分中介作用。 相似文献
117.
118.
Rita Chi‐Ying Chung 《Journal of counseling and development : JCD》2005,83(3):262-268
As the world becomes more globalized, psychological and counseling issues have become more pronounced. As social justice issues become illuminated on a global scale, there is increased attention to women as identified victims of social injustices and human rights violations. This article examines the role of professional counselors working with women from an international perspective with the intention to heighten awareness and understanding of the interrelationship of global women's issues and effective counseling interventions. 相似文献
119.
付翠 《医学与哲学(人文社会医学版)》2005,26(2):71-72
弗洛伊德关于家庭和心理性别发展的论述给神经性厌食症的理解、分析与治疗带来了新的关注焦点,在其之后的学者将他的思想进一步继承和发展,创造出了以家庭为关注对象的且在当代得到广泛应用的系统家庭疗法,并将该疗法应用到了神经性厌食症的诊断与治疗中,取得了开创性的成果. 相似文献
120.
Measuring the personality of Chinese: QZPS versus NEO PI-R 总被引:13,自引:0,他引:13
The response patterns of Chinese subjects to the items and facets of NEO Personality Inventory Revised (NEO PI-R) were investigated. The Big Five-factor structure underlying this instrument was not found, while a seven-factor structure, more recently proposed to represent the Chinese personality, emerged. A cross-cultural strategy was adopted to analyze these results and mechanisms through which culture influences personality, behavioral categories and specific behaviors were proposed. The results showed that the Big Seven model of Chinese personality was stable and Western personality questionnaires could not accurately measure the personality characteristics of the Chinese. 相似文献