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41.
Wallet G Sauzéon H Pala PA Larrue F Zheng X N'Kaoua B 《Cyberpsychology, behavior and social networking》2011,14(7-8):417-423
The purpose of this study was to evaluate the effect the visual fidelity of a virtual environment (VE) (undetailed vs. detailed) has on the transfer of spatial knowledge based on the navigation mode (passive vs. active) for three different spatial recall tasks (wayfinding, sketch mapping, and picture sorting). Sixty-four subjects (32 men and 32 women) participated in the experiment. Spatial learning was evaluated by these three tasks in the context of the Bordeaux district. In the wayfinding task, the results indicated that the detailed VE helped subjects to transfer their spatial knowledge from the VE to the real world, irrespective of the navigation mode. In the sketch-mapping task, the detailed VE increased performances compared to the undetailed VE condition, and allowed subjects to benefit from the active navigation. In the sorting task, performances were better in the detailed VE; however, in the undetailed version of the VE, active learning either did not help the subjects or it even deteriorated their performances. These results are discussed in terms of appropriate perceptive-motor and/or spatial representations for each spatial recall task. 相似文献
42.
Sharma A 《The Journal of general psychology》2000,127(4):383-396
The effect of the congruity between the involvement types of advertising commercial and a television program on the effectiveness of the commercial was studied. Participants (N = 103) viewed either a cognitive or an affective commercial for a product, which was embedded in either a cognitive or an affective television program. The results showed that the effects of the congruence influence the impact on memory. Free recall and cued recall were significantly influenced by the program-commercial congruity. Free recall and cued recall were significantly higher for the cognitively involving commercial in the cognitively involving program context than in the affectively involving program context. Similarly, free recall and cued recall were significantly higher for the affectively involving commercial in the affectively involving program context than in the cognitively involving program context. 相似文献
43.
The roles of MAPK cascades in synaptic plasticity and memory in Aplysia: facilitatory effects and inhibitory constraints 总被引:2,自引:0,他引:2
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Synaptic plasticity is thought to contribute to memory formation. Serotonin-induced facilitation of sensory-motor (SN-MN) synapses in Aplysia is an extensively studied cellular analog of memory for sensitization. Serotonin, a modulatory neurotransmitter, is released in the CNS during sensitization training, and induces three temporally and mechanistically distinct phases of SN-MN synaptic facilitation. The role of protein kinase A and protein kinase C in SN-MN synaptic facilitation is well documented. Recently, it has become clear that mitogen-activated protein kinase (MAPK) cascades also play a critical role in SN-MN plasticity. Here, we summarize the roles of MAPK cascades in synaptic plasticity and memory for sensitization in Aplysia. 相似文献
44.
How does the attentional system coordinate the processing of stimuli presented simultaneously to different sensory modalities? We investigated this question with individuals with neurological damage who suffered from deficits of attention. In these individuals, we examined how the processing of tactile stimuli is affected by the simultaneous presentation of visual or auditory stimuli. The investigation demonstrated that two stimuli from different modalities are in competition when attention is directed to the perceptual attributes of both, but not when attention is directed to the perceptual attributes of one and the semantic attributes of the other. These findings reveal a differentiated attentional system in which competition is modulated by the level of stimulus representation to which attention is directed. 相似文献
45.
46.
Arvind Sharma 《亚洲哲学》1999,9(2):93-105
Jivanmukti or ‘living liberation’ has been identified as a distinguishing feature of Indian thought; or, upon drawing a narrower circle, of Hindu thought; and upon drawing an even narrower cocentric circle of Vedānta—of Advaita Vedānta. In some recent studies the cogency of its formulation within Advaita Vedānta has been questioned—but without reference to the testimony of its major modem exemplar, Ramana Maharsi (1879–1950). This paper examines the significance of the life and statements of Ramana Maharsi for the current debate in the context of neo‐Hinduism 相似文献
47.
Accuracy and Confidence in Person Identification: The Relationship Is Strong When Witnessing Conditions Vary Widely 总被引:7,自引:0,他引:7
We hypothesized that both accuracy and confidence in suspect identifications depend, in part, on participants' ability to identify the target, and that both accuracy and confidence therefore tend to be higher under conditions that lead to good memory for the target than under conditions that lead to poor memory for the target. Furthermore, we hypothesized that a substantial correlation between accuracy and confidence will be observed if, because of variations in conditions, there is considerable variability across participants in ability to identify the target. Consistent with these hypotheses, manipulations that affected accuracy also affected confidence in the same direction, and when data were collapsed across conditions the accuracy-confidence correlation was substantial (mean r = .59). 相似文献
48.
49.
This report describes results of an experimental study of the differences in response time between 10 male and 10 female undergraduate operators performing a combined manual and decision task. Analysis indicated that the performance times of women on such tasks were shorter than those of the men as expected. 相似文献
50.
Summary A connectionist model is described, which accounts for data showing a mask appropriateness effect in word and letter recognition. In a backward-masking paradigm, if the letter fragment masks that are used are of a similar size to the word or word fragment they are masking, performance is better than if the masks are longer or discontinuous (Jordan, 1990). The model simulates these effects by adding to the familiar architecture of the interactive activation model length units, which are stimulated whenever word units of a particular letter length are active, and mask units, which are stimulated by masks of particular sizes and in turn stimulate length units. Detailed predictions of the model are examined for both forward and backward masking, and are found to be in good accord with the data. 相似文献