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781.
增龄性记忆改变规律及影响因素的研究 总被引:3,自引:0,他引:3
本研究用多维记忆量表对280名50~91岁的老年人做了测查,同时收集了一般资料,以探讨增龄性记忆改变的规律和年龄、教育和职业等因素对增龄性记忆改变的影响。结果表明:随年龄增长,各记忆组合分和分测验成绩均呈下降趋势,外显记忆成绩在70岁后呈快速下降,内隐记忆和日常生活记忆在75岁后才有明显下降;记忆总分、外显记忆和日常生活记忆均受年龄和教育的影响,内隐记忆不受教育的影响。结果提示老年人记忆随年龄增长呈渐渐下降,不同记忆功能开始下降的年龄和下降速率不同,教育对增龄性记忆改变有保护作用。 相似文献
782.
Ming Li Liman Man Wai Li Ke Zhao Ding‐Guo Gao 《Scandinavian journal of psychology》2019,60(4):394-403
Group, which involves collective actions for achieving shared goals, can be conceptually understood as an important source of agency and control. The current research investigated whether group identity salience can enhance sense of agency within the individual. Specifically, we examined whether an activated cultural group identity, through presenting different types of cultural photographs in a predictable way, would facilitate people's sense of agency by using an implicit method, namely, intentional binding effect paradigm. Experiment 1a found that an activated cultural group identity enhanced the sense of agency. Next, Experiment 1b replicated the findings by recruiting a different ethnic group in the same society. Experiment 2 explored what may affect the intensity of induced sense of agency and found that perceived representativeness of the presented cultural stimuli was positively correlated with the intensity of induced sense of agency. Finally, Experiment 3 explored whether ethnic minority and majority groups would demonstrate different intensity of agency when their cultural identity was activated. The results showed that the sense of agency induced by the mainstream cultural stimuli was greater than that induced by the foreign cultural photographs. These patterns were not different between the two ethnic groups. Taken together, these findings reflected the dynamic nature of cultural identity construction in a multicultural society. 相似文献
783.
Transformational Leadership and Organisational Citizenship Behaviour: A Moderated Mediation Model of Leader‐Member‐Exchange and Subordinates' Gender 下载免费PDF全文
Rick D. Hackett An‐Chih Wang Zhijun Chen Bor‐Shiuan Cheng Jiing‐Lih Farh 《Psychologie appliquee》2018,67(4):617-644
Transformational leadership (TL) enhances follower Organizational Citizenship Behavior (OCB) as mediated by leader‐member exchange (LMX). However, the strength of the positive associations among TL, LMX and OCB is subject to significant variability. Accordingly, we draw on several theories (self‐identity, role congruency, self‐concept, and social exchange) to propose that followers' gender moderates the relationships between all three of these variables. We argue differences in societal expectations and/or underlying motivation combine to make leadership of lesser importance to OCB among females than males. Using 202 supervisor‐subordinate dyads from Taiwan, a moderated mediation model of TL‐LMX‐OCB, with subordinate gender as a moderator, was tested. As hypothesised, each of the positive associations among TL, LMX and OCB were weaker for females than for males, thus accounting for some of the variability in the strength of the associations typically observed. Relatedly, although LMX fully mediated the TL‐OCB relationship in the entire sample, this effect was not observed among female subordinates. Further research is required to assess the degree to which these findings apply beyond the Confucian Asian societal cluster. 相似文献
784.
785.
To examine the hypothesis that there is a metaphoric link between geometric shapes (square vs. circle) and moral traits (integrity vs. deviousness), we conducted three experiments in China. In Study 1, integrity-related words were classified faster when embedded in a square than in a circle. Conversely, deviousness-related words were classified faster in a circle than in a square. Study 2 found that a person who preferred squares was perceived as more righteous and that a person who preferred circles was perceived as more devious. Study 3 revealed that the participants were more likely to pair a square with integrity-related words and a circle with deviousness-related words in a memory task. Given the negation of square-integrity and circle-deviousness emotional congruence, the findings of this research show that shape-related information is a meaningful part of the mental representations of moral traits. 相似文献
786.
Elderly persons (N=310) attending outpatient psychiatric clinics were given an interview on the 30-item Geriatric Depression Scale (T. L. Brink et al., 1982; J. A. Yesavage et al., 1983) and received an independent psychiatric evaluation. A 3-step binary logistic regression showed that 2 items measuring positive affect and 2 others measuring negative affect combined to produce diagnostic performance comparable with the full scale. This result was cross-validated on a different sample (N=134). A hierarchical measurement model in which the 4 items tapped 2 first-order factors (positive and negative affect), which in turn tapped a higher order construct of depression, provided excellent fit to the data. 相似文献
787.
788.
Knight DC Smith CN Cheng DT Stein EA Helmstetter FJ 《Cognitive, affective & behavioral neuroscience》2004,4(3):317-325
Previous functional magnetic resonance imaging (fMRI) studies have characterized brain systems involved in conditional response
acquisition during Pavlovian fear conditioning. However, the functional neuroanatomy underlying the extinction of human conditional
fear remains largely undetermined. The present study used fMRI to examine brain activity during acquisition and extinction
of fear conditioning. During the acquisition phase, participants were either exposed to light (CS) presentations that signaled
a brief electrical stimulation (paired group) or received light presentations that did not serve as a warning signal (control
group). During the extinction phase, half of the paired group subjects continued to receive the same treatment, whereas the
remainder received light alone. Control subjects also received light alone during the extinction phase. Changes in metabolic
activity within the amygdala and hippocampus support the involvement of these regions in each of the procedural phases of
fear conditioning. Hippocampal activity developed during acquisition of the fear response. Amygdala activity increased whenever
experimental contingencies were altered, suggesting that this region is involved in processing changes in environmental relationships.
The present data show learning-related amygdala and hippocampal activity during human Pavlovian fear conditioning and suggest
that the amygdala is particularly important for forming new associations as relationships between stimuli change. 相似文献
789.
This research sought to extend the current conceptualization of self-monitoring by examining whether self-monitoring motives and behaviors can operate outside of conscious awareness. Two studies examined nonconscious mimicry among high and low self-monitors in situations varying in affiliative cues. Participants interacted with a confederate who shook her foot (Study 1) or touched her face (Study 2). In both studies, high self-monitors were more likely to mimic the confederate's subtle gestures when they believed the confederate to be a peer (Study 1) or someone superior to them (Study 2). Low self-monitors mimicked to the same degree across conditions. Thus, when the situation contains affiliative cues, high self-monitors use mimicry as a nonconscious strategy to get along with their interaction partner. 相似文献
790.
ERP correlates of form and rhyme letter tasks in impaired reading children: a critical evaluation. 总被引:1,自引:0,他引:1
Event-related potentials (ERPs) were obtained from 15 electrode sites in six average and six impaired reading children, 12 years of age, during visual letter discrimination tasks. Subjects responded to target letters with an enclosed area in the form task and to letters that rhymed with "e" in the rhyme task. Response accuracy was similar between the groups. Reaction time was relatively longer for the impaired group during the rhyme task. At lateral sites, condition differences were evident as greater negative shifts in the rhyme task than the form at 170 and 470 ms as well as a delayed late positivity for the rhyme. In terms of reading ability, the average readers' ERPs were more negative than those of the impaired group at 270 and 450 ms. Inter-hemispheric variations were also seen between the groups, with the average readers more negative than the impaired readers at right hemisphere sites. Contrary to expectations, group differences in the ERP did not vary substantially as a function of condition, and task demands were evaluated in view of these findings. 相似文献