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51.
This paper investigated how implicit and explicit knowledge is reflected in event-related potentials (ERPs) in sequence learning. ERPs were recorded during a serial reaction time task. The results showed that there were greater RT benefits for standard compared with deviant stimuli later than early on, indicating sequence learning. After training, more standard triplets were generated under inclusion than exclusion tests and more standard triplets under exclusion than chance level, indicating that participants acquired both explicit and implicit knowledge. However, deviant targets elicited enhanced N2 and P3 components for targets with explicit knowledge but a larger N2 effect for targets with implicit knowledge, revealing that implicit knowledge expresses itself in relatively early components (N2) and explicit knowledge in additional P3 components. The results help resolve current debate about the neural substrates supporting implicit and explicit learning.  相似文献   
52.
The crack-tip deformation behavior during a single overload, fatigue test of ferritic stainless steel, and Ni-based HAYNES 230 superalloy is studied at different structural levels using (1) neutron-diffraction, from which both the elastic-lattice strain and volume-averaged total dislocation densities are obtained, (2) polychromatic X-ray microdiffraction to probe the geometrically necessary dislocations and boundaries distribution, and (3) an irreversible and hysteretic cohesive interface model which has been implemented into a finite element framework to simulate the stress/strain evolution near the fatigue crack tip. Neutron strain measurements and finite element simulations are in qualitative agreement on the macroscopic length scale. Large plastic deformation induced by the overload and the resulting compressive residual strains are observed in front of the crack tip after the overload, and are the principal reason for the fatigue-crack-growth retardation. Strong strain gradients surrounding the crack propagation result in the formation of a high density of geometrically necessary dislocations near the fractured surface and cause local lattice rotations on the submicron level.  相似文献   
53.
Eye-tracking technique and visual search task were employed to examine the cognitive advantage for one’s own name and the possible effect of familiarity on this advantage. The results showed that fewer saccades and an earlier start time of first fixations on the target were associated with trials in which participants were asked to search for their own name, as compared to search for personally familiar or famous names. In addition, the results also demonstrated faster response times and higher accuracy in the former kind of trials. Taken together, these findings provide important evidence that one’s own name has the potential to capture attention and that familiarity cannot account for this advantage.  相似文献   
54.
Although attentional biases toward body-related information contribute to the etiology and maintenance of body dissatisfaction (BD) and eating disorders (EDs), attentional disengagement in women with BD and EDs is not clear. The present study investigated the association between weight dissatisfaction and attentional disengagement from body-related pictures and the possible moderating effect of body mass index (BMI) on this relation. Two hundred and four undergraduate women engaged in an experiment using a pictorial spatial cueing paradigm including fat/thin bodies and neutral household photos. Partial correlations and simple slopes regression analyses were conducted with attentional disengagement index scores of each category of cues. Findings suggested that independent of BMI, weight dissatisfaction was directly associated with attentional disengagement from both fat and thin pictures. In addition, among women with low and medium BMIs, the more they were dissatisfied with their bodyweight, the more difficulty they had disengaging their attention from fat body pictures.  相似文献   
55.
本文从宗教的社会性及其特性来强调宗教社会学是一门独立的社会科学,并再次论述了这门学科的研究方法。宗教社会学近两年来在中国的发展,可谓"异军突起",本文从四个方面评述了这种"异",并提出随着学科的发展,学科界线的走向问题。  相似文献   
56.
IAT效应在不同目标概念水平上的差异研究   总被引:6,自引:0,他引:6  
采用IAT实验设计,考察大学生对不同概念词的内隐态度之间的差别。结果发现,八组实验材料都产生了显著的IAT效应;不同性别的测验材料的IAT效应间不存在显著差异,不同喜好程度的测验材料的IAT效应间存在显著差异,且两个因素存在显著的交互作用。研究表明,IAT效应既可在上位概念水平上产生,亦可在下位概念水平上产生。  相似文献   
57.
Working memory (WM) and empathy are core issues in cognitive and social science, respectively. However, no study so far has explored the relationship between these two constructs. Considering that empathy takes place based on the others’ observed experiences, which requires extracting the observed dynamic scene into WM and forming a coherent representation, we hypothesized that a sub-type of WM capacity, i.e., WM for biological movements (BM), should predict one’s empathy level. Therefore, WM capacity was measured for three distinct types of stimuli in a change detection task: BM of human beings (BM; Experiment 1), movements of rectangles (Experiment 2), and static colors (Experiment 3). The first two stimuli were dynamic and shared one WM buffer which differed from the WM buffer for colors; yet only the BM conveyed social information. We found that BM-WM capacity was positively correlated with both cognitive and emotional empathy, with no such correlations for WM capacity of movements of rectangles or of colors. Thus, the current study is the first to provide evidence linking a specific buffer of WM and empathy, and highlights the necessity for considering different WM capacities in future social and clinical research.  相似文献   
58.
Family expressiveness, a reflection of a family’s emotional environment, has been identified as a critical factor that influences children’s emotion regulation, yet research on this topic is limited, especially in varying cultural contexts. The present study addresses this research gap and expands on the extant literature by examining the influence of family expressiveness on children’s emotional development in the context of cumulative risks (e.g., low annual household income, parental psychological distress, parents’ education level, marital dissatisfaction and the family’s housing situation). Our final sample included one hundred and seventy-eight school-aged children (84 boys and 94 girls) and their biological parents. Results showed that higher scores on the familial risk index were related to increased emotion dysregulation and decreased adaptive emotion regulation, through the mediated effects of positive family expressiveness. Negative expressiveness, however, did not mediate the aforementioned links. Reasons for the different findings regarding positive expressiveness and negative expressiveness were discussed. These findings highlight the importance of cumulative risk on children’s emotional development in the Chinese cultural context and offer potential avenues to promote adaptive emotional development in the context of cumulative risks.  相似文献   
59.
高旭 《管子学刊》2013,(1):44-50
《淮南子》对墨子持有复杂的政治认识与态度,这在秦汉思想史上具有一定的代表性。从黄老道家的根本立场出发,“批墨”是《淮南子》政治思想的基本主张,但与此同时,《淮南子》也内在地显示出“尊墨”的政治情怀,进而试图对墨子政治思想有所借鉴和汲取,达到“融墨”之理论目的。对待墨子及其政治思想的历史态度,既凸显出《淮南子》立足黄老,融通诸子的博大精神,也彰显出墨子在秦汉政治思想发展中独特的历史影响。  相似文献   
60.
通过运用参与观察法和个案访谈法在H市开展关于大学生基督教组织发展情况的调研,发现大学生基督教组织的组织化程度在逐步提高,有组织的传教活动频繁,传教意愿强烈,社会联系广泛,善于结合大学生特点开展宗教活动。大学生基督教组织的活跃对高校校园管理和人才培养工作造成一定干扰,构成社会稳定的潜在隐患。因此,高校及主管部门需要创新社会治理方法,构建多方联动机制,直面大学生信教问题,通过多种渠道协同加强高校思想政治工作,积极应对大学生基督教组织的不断发展。  相似文献   
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