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411.
Using functional magnetic resonance imaging (fMRI), we examined the process of language specialization in the brain by comparing developmental changes in two contrastive orthographies: Chinese and English. In a visual word rhyming judgment task, we found a significant interaction between age and language in left inferior parietal lobule and left superior temporal gyrus, which was due to greater developmental increases in English than in Chinese. Moreover, we found that higher skill only in English children was correlated with greater activation in left inferior parietal lobule. These findings suggest that the regions associated with phonological processing are essential in English reading development. We also found greater developmental increases in English than in Chinese in left inferior temporal gyrus, suggesting refinement of this region for fine‐grained word form recognition. In contrast, greater developmental increases in Chinese than in English were found in right middle occipital gyrus, suggesting the importance of holistic visual‐orthographic analysis in Chinese reading acquisition. Our results suggest that the brain adapts to the special features of the orthography by engaging relevant brain regions to a greater degree over development. 相似文献
412.
413.
Family boundary characteristics,work–family conflict and life satisfaction: A moderated mediation model
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Although work–family border and boundary theory suggest individuals' boundary characteristics influence their work–family relationship, it is largely unknown how boundary flexibility and permeability mutually influence work–family conflict and subsequent employee outcomes. Moreover, the existing work–family conflict research has been mainly conducted in the United States and other Western countries. To address these gaps in the work–family literature, the present study examines a moderated mediation model regarding how family boundary characteristics may influence individuals' work–family conflict and life satisfaction with a sample of 278 Chinese full‐time employees. Results showed that employees' family flexibility negatively related to their perceived work interference with family (WIF) and family interference with work (FIW), and both these two relationships were augmented by individuals' family permeability. In addition, WIF mediated the relationship between family flexibility and life satisfaction; the indirect effect of family flexibility on life satisfaction via WIF was stronger for individuals with higher family permeability. The theoretical and managerial implications of these findings are discussed. 相似文献
414.
Ruiming Wang Xiaoyue Fan Cong Liu Zhenguang G. Cai 《International journal of psychology》2016,51(2):93-101
Bilinguals have been shown to be less susceptible to Stroop interference in their first language than monolinguals, though the cause is currently being debated. In two experiments, we explored how cognitive control and word recognition contribute to the Stroop effect by contrasting cognitive control (via a Simon arrow task), word recognition speed (via a Chinese/English word recognition task) and Stroop susceptibility (via a verbal Stroop task) between proficient and non‐proficient Chinese–English bilinguals. Compared to non‐proficient bilinguals, proficient bilinguals showed better cognitive control at inhibiting irrelevant information, and they were slower at recognising Chinese words but quicker at recognising English words. Critically, we also showed that proficient bilinguals showed a smaller Stroop effect than non‐proficient bilinguals in Chinese but a comparable Stroop effect as non‐proficient bilinguals in English. The results cannot be accounted for by cognitive control or word recognition speed alone; instead, they are best accommodated by assuming that cognitive control and word recognition speed jointly determine the Stroop effect. Thus, we conclude that enhanced cognitive control and delayed word recognition combine to reduce Stroop effect in bilinguals as compared to monolinguals. 相似文献
415.
Guangzhan Fang Fan Jiang Ping Yang Jianguo Cui Steven E. Brauth Yezhong Tang 《Animal cognition》2014,17(2):483-494
Male–male vocal competition in anuran species is critical for mating success; however, it is also highly time-consuming, energetically demanding and likely to increase predation risks. Thus, we hypothesized that changes in the social context would cause male vocal competition to change in real time in order to minimize the costs and maximize the benefits of competition. To test this hypothesis, we assessed the effect of repeating playbacks of either white noise (WN) or male advertisement calls on male call production in the Emei music frog (Babina daunchina), a species in which males build mud-retuse burrows and call from within these nests. Previous studies have shown that calls produced from inside burrows are highly sexually attractive (HSA) to females while those produced outside nests are of low sexual attractiveness (LSA). Results showed that most subjects called responsively after the end of WN playbacks but before the onset of conspecific call stimuli although call numbers were similar, indicating that while males adjusted competitive patterns according to the biological significance of signals, their competitive motivation did not change. Furthermore, these data indicate that the frogs had evolved the ability of interval timing. Moreover, when the inter-stimulus interval (ISI) between playbacks was varied, the subjects preferentially competed with HSA calls when the ISI was short (<4 s) but responded equally to HSA and LSA calls if the ISI was long (≥4 s), suggesting that males allocate competitive efforts depending on both the perceived sexual attractiveness of rivals and the time available for calling. Notably, approximately two-thirds of male calls occurred in response to HSA calls, a preference rate comparable to that previously found for females in phonotaxis experiments and consistent with the idea that the mechanisms underlying both the male’s competitive responses to rivals and the female’s preferences toward potential mates coevolved under the same selective pressure. 相似文献
416.
Xiuyun Wen Qian Wu Jianhua Liu Zhenhua Xu Li Fan Xiaokai Chen 《Psychology, health & medicine》2018,23(4):375-390
The study was aimed to compare the effects of standard and augmented acupuncture on depressive symptoms and sleep disturbances in patients with depression. This is a randomized, single-blind, multicenter trial. 140 subjects with clinical insomnia (score of ≥ 7 on the Pittsburgh Sleep Quality Index (PSQI)) were randomized to the standard (LI4, LIV3, EX-HN3, and GV20) or augmented (LI4, LIV3, EX-HN3, GV20, LU7, and KID6, including intradermal needles for sustained treatment) acupuncture groups. Participants received two sessions weekly for six weeks. In trial, The primary outcomes were improvements in PSQI and the Hamilton Rating Scale (HAMD). Secondary outcomes were treatment credibility and adverse events. Outcomes were assessed at baseline, week 3, end of treatment, and 4-week follow-up. From the 105 randomized patients, 89 completed the trial and were included in the final analyses. Better efficacy was observed in the augmented group compared with the standard acupuncture to improve the PSQI and HAMD at week 3, end of treatment, and 4-week follow-up (all p < .05). The HAMD scores improved with time, except between end of treatment and 4-week follow-up, while in the standard group, HAMD scored improved from baseline to week 3, and stopped improving thereafter. The PSQI scores improved with time in the two groups, except between end of treatment and 4-week follow-up. Compared with the standard protocol, the augmented acupuncture protocol had a better efficacy to treat depression and to improve sleep quality of patients with depression. 相似文献
417.
The problem of penalized maximum likelihood (PML) for an exploratory factor analysis (EFA) model is studied in this paper. An EFA model is typically estimated using maximum likelihood and then the estimated loading matrix is rotated to obtain a sparse representation. Penalized maximum likelihood simultaneously fits the EFA model and produces a sparse loading matrix. To overcome some of the computational drawbacks of PML, an approximation to PML is proposed in this paper. It is further applied to an empirical dataset for illustration. A simulation study shows that the approximation naturally produces a sparse loading matrix and more accurately estimates the factor loadings and the covariance matrix, in the sense of having a lower mean squared error than factor rotations, under various conditions. 相似文献
418.
419.
在经典的空间—效价一致性范式的基础上,控制向上或向下看的动作趋向及幅度大小,探讨身体动作趋势对空间—效价一致性效应的影响。实验一分别在屏幕上方视野或下方视野进行词汇道德效价的判断。结果表明,在屏幕的上方视野和屏幕的下方视野不道德词汇都出现了空间—效价一致性效应,而道德词汇只在下方视野出现了一致性效应。实验二将注视点居于屏幕中央,改变词汇上下位置之间垂直距离的大小。发现在小间距条件下出现了显著的一致性效应,但是在大间距条件下一致性效应消失。综合两个实验表明,道德词的空间—效价一致性效应同时受到概念隐喻和极性相关的影响,当空间极性不明显时,概念隐喻的影响较大,而空间位置极性较明显时,空间位置极性会掩盖概念隐喻的作用。 相似文献
420.
Mengdan Sun Xuemin Zhang Lingxia Fan Luming Hu 《Attention, perception & psychophysics》2018,80(2):374-386
The visual distinctiveness between targets and distractors can significantly facilitate performance in multiple object tracking (MOT), in which color is a feature that has been commonly used. However, the processing of color can be more than “visual.” Color is continuous in chromaticity, while it is commonly grouped into discrete categories (e.g., red, green). Evidence from color perception suggested that color categories may have a unique role in visual tasks independent of its chromatic appearance. Previous MOT studies have not examined the effect of chromatic and categorical distinctiveness on tracking separately. The current study aimed to reveal how chromatic (hue) and categorical distinctiveness of color between the targets and distractors affects tracking performance. With four experiments, we showed that tracking performance was largely facilitated by the increasing hue distance between the target set and the distractor set, suggesting that perceptual grouping was formed based on hue distinctiveness to aid tracking. However, we found no color categorical effect, because tracking performance was not significantly different when the targets and distractors were from the same or different categories. It was concluded that the chromatic distinctiveness of color overrides category in determining tracking performance, suggesting a dominant role of perceptual feature in MOT. 相似文献