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601.
认知控制是维持和调整多任务目标导向的加工策略,而基于多任务冲突的认知控制是一般领域上还是特定领域上,即一种冲突是否会影响另一种冲突的解决,已有研究并没有得到统一的结论。本研究运用事件相关电位(ERP)方法考察了同一任务中不同类型冲突(Stroop、Simon和Flanker冲突)驱动认知控制调节的脑机制。数据显示:各冲突都出现了一致性效应和冲突适应性效应;实验中每种冲突的上一个trial只与该类冲突的当前trial的交互效应显著,而与其他类型冲突的当前trial的交互效应不显著;几乎所有冲突都发现了P300、N450、SP成分一致性效应。结果表明:在不同类型冲突驱动条件下,人脑能够同时监控并解决不同类型的冲突;冲突驱动的认知控制系统以局部的控制方式工作;人脑是基于多冲突驱动的认知控制系统的灵活性和某类型冲突所特有的控制机制来解决冲突,且冲突解决机制是相互独立、互不干扰的。 相似文献
602.
Previous functional magnetic resonance imaging (fMRI) studies have identified activation in the prefrontal-parietal-sub-cortical circuit during feigned memory impairment when comparing with truthful telling. Here, we used fMRI to determine whether neural activity can differentiate between answering correctly, answering randomly, answering incorrectly, and feigned memory impairment. In this study, 12 healthy subjects underwent block-design fMRI while they performed digit task of forced-choice format under four conditions: answering correctly, answering randomly, answering incorrectly, and simulated feigned memory impairment. There were three main results. First, six areas, including the left prefrontal cortex, the left superior temporal lobe, the right postcentral gyrus, the right superior parietal cortex, the right superior occipital cortex, and the right putamen, were significantly modulated by condition type. Second, for some areas, including the right superior parietal cortex, the right postcentral gyrus, the right superior occipital cortex, and the right putamen, brain activity was significantly greater in feigned memory impairment than answering randomly. Third, for the areas including the left prefrontal cortex and the right putamen, brain activity was significantly greater in feigned memory impairment than answering incorrectly. In contrast, for the left superior temporal lobe, brain activity was significantly greater in answering incorrectly than feigned memory impairment. The results suggest that neural correlates of feigned memory impairment are distinguishable from answering randomly and answering incorrectly in healthy subjects. 相似文献
603.
604.
Based on Cheng's differential leadership theory, we investigated the relationship between a subordinate's loyalty to a supervisor (SLS) and the supervisor's benevolent leadership in Chinese organizations. We also explored two moderators of this relationship, the supervisor's altruistic personality and perceived organizational support (POS). Using survey research, we collected data from supervisor‐subordinate dyads in Taiwan and made 167 valid observations. The results showed that SLS positively relates to the supervisor's benevolent behaviours; however, this relationship is diminished by the supervisor's altruistic personality and POS. That is, when the supervisor has a high level of altruistic personality or POS, the association of SLS with the supervisor's benevolent leadership is weaker. 相似文献
605.
Zhikang Peng Zhiguo Hu Xinyu Wang Hongyan Liu 《Scandinavian journal of psychology》2020,61(5):690-697
The aim of the present study was to determine whether the self-enhancement effect of voice attractiveness evaluation is due to general self-positivity bias and/or the familiarity effect. The participants were asked to rate the attractiveness of their own voice, a friend's voice and strangers' voices. In addition, a self-reference valence (SR-valence) task was adopted in the experiment. Significant self-enhancement effects in voice attractiveness ratings were demonstrated, regardless of whether the participants recognized their self-voice or not. However, the friend-enhancement effect was found in only those participants who successfully recognized their friend's voice. Moreover, a significant correlation was found between self-positivity bias in the SR-valence task and the self-enhancement effect (but not the friend-enhancement effect). Our findings suggest that both the familiarity effect and self-positivity bias account for the vocal self-enhancement effect, and the influence of self-positivity bias could be implicit. The present study thus provides empirical evidence to clarify the potential explanations for the self-enhancement of voice attractiveness assessment. 相似文献
606.
607.
生态园林与城市建设——以淮安市的城市建设为例 总被引:1,自引:0,他引:1
生态园林不同于传统的园林,而是一种现代园林,它重视因地制宜,关注城市与自然的谐和,是大众共享的而不是小众独享的,它不一定具有普适性,其意义只在于提醒人们,在现在城市的建设中,不能只讲技术,从而使千城一律,而应因地制宜,拯救(自然与文化的)差异,使建筑更适宜人"去居住". 相似文献
608.
The contribution of genetic factors to the memory is widely acknowledged. Research suggests that these factors include genes involved in the dopaminergic pathway, as well as the genes for brain-derived neurotrophic factor (BDNF) and methylenetetrahydrofolate reductase (MTHFR). The activity of the products of these genes is affected by single nucleotide polymorphisms (SNPs) within the genes. This study investigates the association between memory and SNPs in genes involved in the dopaminergic pathway, as well as in the BDNF and MTHFR genes, in a sample of healthy individuals. The sample includes 134 Taiwanese undergraduate volunteers of similar cognitive ability. The Chinese versions of the Wechsler Memory Scale (WMS-III) and Wechsler Adult Intelligence Scale (WAIS-III) were employed. Our findings indicate that the BDNF Met66Val polymorphism and dopamine receptor D3 (DRD3) Ser9Gly polymorphism are associated significantly with long-term auditory memory. Further analysis detects no significant associations in the other polymorphisms and indices. Future replicated studies with larger sample sizes, and studies that consider different ethnic groups, are encouraged. 相似文献
609.
AbstractThe effects of abusive supervision may be more intricate than what reason would suggest. To examine why individuals may respond differently to perceptions of supervisor abusive, this study relies on goal-setting theory to present a model that accounts for the influence of abusive supervision on job performance and organizational deviance. To be precise, motivation control and self-defeating cognition are proposed to mediate the interaction of perceived abusive supervision with goal commitment in predicting organizational deviance and job performance. In particular, the extent to which goal commitment alleviates the deleterious effects of abusive supervision is examined such that when goal commitment is high, the indirect effects of perceived abusive supervision on job performance and organizational deviance via motivation control and self-defeating cognition were predicted to be weaker. The proposed model was supported by multisource and multiwave data. The understanding of when the deleterious effects of supervisor abuse as perceived by followers are likely might help the human resource personnel to adopt measures that buffer against such outcomes. 相似文献
610.
高层管理者的心智模式对企业经营及绩效有着非常重要的影响.本文首先对不同学派关于心智模式的定义进行了简要的回顾,在此基础上,对高层管理者心智模式的内涵进行了界定.其次,从知识的视角,进一步把高层管理者心智模式的构成要素分为知识体系、信念体系和改善体系等三类.最后,从企业决策、企业文化与管理风格、组织设计、战略决策等四个方面阐述了高层管理者心智模式对企业管理活动的影响. 相似文献