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71.
基于拓展思维的社会互动主义视角, 采用流行病学研究思路, 记忆的形成与维护构成了集体记忆心理学研究的核心问题。相关研究一方面以“对话”为研究语境, 系统阐释了集体记忆形成中的社会传染、检索诱发遗忘、共享现实和网络聚合等心理机制; 另一方面, 聚焦于既存的记忆, 阐释了集体记忆有效性的心理原则, 同时, 记忆的身份关联性得到了确证。集体记忆心理学研究仍需拓展视野, 加强对文化记忆的有效性研究, 密切关注媒介技术变革引发的记忆变化, 积极推进本土化研究。 相似文献
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采用与食物图片相关的点探测任务和学习—再认范式考察超重女性对不同热量食物信息的注意偏向和记忆偏向。结果发现:(1) 超重女性对高热量食物信息存在注意警觉—注意脱离困难模式,对低热量食物信息仅表现为注意回避模式。(2) 超重组女性对高热量食物信息的再认正确率显著高于正常体重组,而对低热量食物信息的再认成绩组间差异不显著。研究结果证实了超重女性对高热量食物信息投入更多的认知资源,存在注意偏向和记忆偏向。 相似文献
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Alice van de Walle de Ghelcke Xanthi Skoura Martin Gareth Edwards Patrick Quercia Charalambos Papaxanthis 《Journal of Neuropsychology》2021,15(2):215-234
Developmental dyslexia (DD), a severe and frequent disorder of reading acquisition, is characterized by a diversity of cognitive and motor deficits whose interactions still remain under debate. Although deficits in the automatization of sensorimotor control have been highlighted, internal action representation allowing prediction has never before been investigated. In this study, we considered action representation of 18 adolescents with pure DD and 18 age-matched typical readers. Participants actually and mentally performed a visually guided pointing task involving strong spatiotemporal constraints (speed/accuracy trade-off paradigm). While actual and mental movement times of typical readers were isochronous and both conformed to Fitts’ law, the movement times of dyslexics differed between conditions, and only the actual movement times conformed to Fitts’ law. Furthermore, the quality of motor imagery correlated with word reading abilities. This suggests that the process of action representation is impaired in pure DD and supports the sensorimotor perspective of DD. Theoretical implications are discussed. 相似文献
76.
Recent studies have increasingly acknowledged the dynamic relationship between emotions and space in social movements. They, however, have seldom tied emotions and space to time when discussing activists’ emotions and their tactical choices. This paper studies the 2014 Umbrella Movement in Hong Kong and explores how collective memory and generational experiences—two intertwined notions of time—shaped how activists felt and how they designed and deployed a spatial tactic. The Umbrella Movement was characterized by miscellaneous emotions and intense disputes among activists regarding how to best use spatial occupation to fight for democratization before and during the struggle. Using a qualitative dataset that contains textual and interview data, I argue that while emotions and the political-cultural characteristics of contentious space were two factors in informing tactical choices, collective memory and generational experiences were key to understanding the rise of the movement and its characteristics. Experiencing different political events in their years of early adulthood, young and veteran activists felt differently in the context of 2013–2014, which led them to embrace disjunctive views on the pace, sequence, and bodily action for the same tactic of spatial occupation and dissimilar emotional management strategies. This created ongoing internal clashes before and during the movement. 相似文献
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Electrical stimulation of the region of the lateral hypothalamus produced a consistent form of quiet-biting attack behavior in cats. In one series of experiments, cats, implanted with electrodes from which attack had been elicited, were anesthetized and then were injected with a bolus of 14C-2-deoxyglucose at the same time as electrical stimulation was delivered through the attack electrodes. Brains prepared for X-ray autoradiography revealed that lateral hypothalamic stimulation activated the classical medial forebrain bundle pathway supplying the septal region, diagonal band, lateral preoptic area, and ventral tegmental region. Stimulation of quiet-attack sites in perifornical hypothalamus resulted in the activation of a much more extensive projection system which included the central and lateral tegmental fields of the midbrain and pons, and central gray region, as well as the structures described above. In a second series of experiments, 3H-leucine was placed into the region of the electrode tip from which attack was elicited in order to identify more precisely the pathways arising from that site. In general, tritiated amino acid radioautography replicated the 14C-2-deoxyglucose findings. In addition, the amino acid radioautographic data revealed the presence of extensive projections from perifornical hypothalamus to such pontine structures as the nucleus locus coeruleus, motor nucleus of NV , and the lateral pontine tegmental field. The functional connections between the lateral hypothalamic “attack region” and lateral preoptic zone were also confirmed by electrophysiological methods. 相似文献
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The automatic skeletal motor responses of 20 male and 20 female student subjects (aged 20–36) receiving a painful stimulation (electric shock) were studied by examining voluntary concomitant extensions and flexions of the arm. These movements were either of long duration, allowing for an on-line control of their execution or, of short duration, requiring extensive pre-programming. Subjects were instructed either to push or to pull a lever upon receipt of an acoustic signal, which was paired or unpaired with an electric shock. Latencies for long duration movements (regardless of direction) were reduced by reception of painful stimulation. Latencies of short duration extensions and flexions were respectively reduced and increased by painful stimulation. Latencies of short duration movements were larger for females than males, regardless of movement direction. These data suggest that painful stimulation elicits automatic movements which affect programming of the termination of simultaneous voluntary movements. Implications of these findings for the study of aggressive behavior are discussed. © 1994 Wiley-Liss, Inc. 相似文献