The combination of electroencephalogram (EEG) and functional magnetic resonance imaging(fMRI) is a very attractive aim in neuroscience in order to achieve both high temporal and spatial resolution for the non-invasive...The combination of electroencephalogram (EEG) and functional magnetic resonance imaging(fMRI) is a very attractive aim in neuroscience in order to achieve both high temporal and spatial resolution for the non-invasive study of cognitive brain function. In this paper, we record simultaneous EEG-fMRI of the same subject in emotional processing experiment in order to explore the characteristics of different emotional picture processing, and try to find the difference of the subjects' brain hemisphere while viewing different valence emotional pictures. The late positive potential(LPP) is a reliable electrophysiological index of emotional perception in humans. According to the analysis results, the slow-wave LPP and visual cortical blood oxygen level-dependent (BOLD) signals are both modulated by the rated intensity of picture arousal. The amplitude of the LPP correlate significantly with BOLD intensity in visual cortex, amygdala, temporal area, prefrontal and central areas across picture contents.展开更多
A novel slotted optical microdisk resonator, which significantly enhances light–matter interaction and provides a promising approach for increasing the sensitivity of sensors, is theoretically and numerically investi...A novel slotted optical microdisk resonator, which significantly enhances light–matter interaction and provides a promising approach for increasing the sensitivity of sensors, is theoretically and numerically investigated. In this slotted resonator, the mode splitting is generated due to reflection of the slot. Remarkably, effects of the slot width and angular position on the mode splitting are mainly studied. The results reveal that the mode splitting is a second function of the slot width, and the maximum mode splitting induced by the slot deformation is achieved with 2.7853 × 10~9Hz∕nm. Therefore, the slotted resonator is an excellent candidate for pressure and force sensing. Besides, the influence of the slot angular position on the mode splitting is a cosine curve with the highest sensitivity of 1.23 × 10^(11)Hz∕deg; thus, the optical characteristic demonstrates that the slotted resonator can be used for inertial measurements.展开更多
In this study, we investigated how an English-as-medium-of-instruction mathematics teacher in China and an English teacher in Nepal fell into and out of love with the teaching profession. A theoretical framework of lo...In this study, we investigated how an English-as-medium-of-instruction mathematics teacher in China and an English teacher in Nepal fell into and out of love with the teaching profession. A theoretical framework of love, which drew from the theorization of love in Barcelos and Coelho(2016) and Lanas and Zembylas(2015), was adopted to provide guidance for our understanding of the construct and our interpretation of the data. In this framework, love is conceptualized as being communicated through teachers’ attending to individual students, and building a mutually supportive learning environment. In addition, love is also seen as socially and historically constructed. Our data include interviews, teaching materials, and other curricular artifacts. Our findings revealed that teachers’ love toward the profession sustains their investment in teaching, and their love of their students helps them accept the students on the latter’s own terms. In addition, a loving relationship between teachers and students was also instantiated in the mutual understanding and support between both parties during classroom interactions. Finally, we also demonstrate how our two focal teachers’ love of the profession was either enhanced or worn out due to work-related sociopolitical factors.展开更多
基金The Open Project of the State Key Laboratory of Robotics and System at Harbin Institute of Technologygrant number:SKLRS-2010-2D-09,SKLRS-2010-MS-10+5 种基金National Natural Science Foundation of Chinagrant number:61201096Natural Science Foundation of Changzhou Citygrant number:CJ20110023Changzhou High-tech Reasearch Key Laboratory Projectgrant number:CM20123006
文摘The combination of electroencephalogram (EEG) and functional magnetic resonance imaging(fMRI) is a very attractive aim in neuroscience in order to achieve both high temporal and spatial resolution for the non-invasive study of cognitive brain function. In this paper, we record simultaneous EEG-fMRI of the same subject in emotional processing experiment in order to explore the characteristics of different emotional picture processing, and try to find the difference of the subjects' brain hemisphere while viewing different valence emotional pictures. The late positive potential(LPP) is a reliable electrophysiological index of emotional perception in humans. According to the analysis results, the slow-wave LPP and visual cortical blood oxygen level-dependent (BOLD) signals are both modulated by the rated intensity of picture arousal. The amplitude of the LPP correlate significantly with BOLD intensity in visual cortex, amygdala, temporal area, prefrontal and central areas across picture contents.
基金National Natural Science Foundation of China(NSFC)(61575014)Natural Science Foundation of Beijing Municipality(4162038)
文摘A novel slotted optical microdisk resonator, which significantly enhances light–matter interaction and provides a promising approach for increasing the sensitivity of sensors, is theoretically and numerically investigated. In this slotted resonator, the mode splitting is generated due to reflection of the slot. Remarkably, effects of the slot width and angular position on the mode splitting are mainly studied. The results reveal that the mode splitting is a second function of the slot width, and the maximum mode splitting induced by the slot deformation is achieved with 2.7853 × 10~9Hz∕nm. Therefore, the slotted resonator is an excellent candidate for pressure and force sensing. Besides, the influence of the slot angular position on the mode splitting is a cosine curve with the highest sensitivity of 1.23 × 10^(11)Hz∕deg; thus, the optical characteristic demonstrates that the slotted resonator can be used for inertial measurements.
文摘In this study, we investigated how an English-as-medium-of-instruction mathematics teacher in China and an English teacher in Nepal fell into and out of love with the teaching profession. A theoretical framework of love, which drew from the theorization of love in Barcelos and Coelho(2016) and Lanas and Zembylas(2015), was adopted to provide guidance for our understanding of the construct and our interpretation of the data. In this framework, love is conceptualized as being communicated through teachers’ attending to individual students, and building a mutually supportive learning environment. In addition, love is also seen as socially and historically constructed. Our data include interviews, teaching materials, and other curricular artifacts. Our findings revealed that teachers’ love toward the profession sustains their investment in teaching, and their love of their students helps them accept the students on the latter’s own terms. In addition, a loving relationship between teachers and students was also instantiated in the mutual understanding and support between both parties during classroom interactions. Finally, we also demonstrate how our two focal teachers’ love of the profession was either enhanced or worn out due to work-related sociopolitical factors.