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121.
探讨慢性应激对大鼠海马Akt/FKHRL1信号通路活性的影响,及其应激源特异性。将24只雄性SD大鼠随机分为心理应激组、束缚应激组和正常对照组(n=8)。用Western-blotting方法测定28天应激后海马Akt、FKHRL1蛋白含量及其磷酸化水平。结果表明,应激后三组大鼠海马磷酸化Akt、FKHRL1含量差异有统计学意义(p < 0.01;p < 0.001),束缚应激组低于正常对照组(p < 0.01)。提示慢性应激能导致海马磷酸化Akt、FKHRL1表达水平降低,但其影响程度与应激源特异性有关 相似文献
122.
成人依恋的测量:亲密关系经历量表(ECR)中文版 总被引:58,自引:0,他引:58
为了促进在中国开展有关成人依恋的研究,对目前国外该领域中广泛采用的“标准”成人依恋量表——“亲密关系经历量表(ECR)”——进行了中文版修订。371名中国大学生接受了测试,并用自尊量表,他人观量表等作为检验效度的依据。其中59人在四周后进行了重测。对其中的231名正处于恋爱中的被试的结果进行了统计分析,包括采用项目反应理论进行项目分析、信效度检验。结果表明,该量表的中文版具有较好的信度(内部一致性、和重测信度)以及效度(构想效度和效标效度) 相似文献
123.
Recent studies have suggested that closing the eyes helps memory retrieval in recall tests for audiovisual clips that contain multimodal information. In two experiments, we examined whether eye-closure improves recognition memory performance for word lists presented unimodally (i.e., visually or aurally). In the encoding phase, participants saw or heard a list of unrelated, meaningful word items. After a fixed retention interval of 1 week (Experiment 1, n = 110) and 5 min (Experiment 2, n = 44), the participants were asked to mentally rehearse the items with their eyes open or closed, and then they performed a recognition test. The results revealed no effect of eye-closure rehearsal on recognition performance. We discuss the possible reasons why no eye-closure benefit was found in recognition memory tests for unrelated word items. 相似文献
124.
Michitaka Funayama Akihiro Koreki Taro Muramatsu Masaru Mimura Motoichiro Kato Takayuki Abe 《Journal of Neuropsychology》2019,13(3):550-563
Although neuroimaging studies have provided evidence for an association between moral emotions and the orbitofrontal cortex, studies on patients with focal lesions using experimental probes of moral emotions are scarce. Here, we addressed this topic by presenting a moral emotion judgement task to patients with focal brain damage. Four judgement tasks in a simple pairwise choice paradigm were given to 72 patients with cerebrovascular disease. These tasks consisted of a perceptual line judgement task as a control task; the objects’ preference task as a basic preference judgement task; and two types of moral emotion judgement task, an anger task and a guilt task. A multiple linear regression analysis was performed on each set of task performance scores to take into account potential confounders. Performance on the guilt emotion judgement task negatively correlated with the orbitofrontal cortex damage, but not with the other variables. Results for the other judgement tasks did not reach statistical significance. The close association between orbitofrontal cortex damage and a decrease in guilt emotion judgement consistency might suggest that the orbitofrontal cortex plays a key role in the sense of guilt, a hallmark of morality. 相似文献
125.
We investigated how motion lines drawn in the background of a running human silhouette affect motion impressions of a runner in a static image. Observers evaluated the strength and direction of motion impression. The results show that parallel lines do not enhance frontoparallel motion impressions, while converging lines do so in an in-depth direction. This is a counter-example to the hypothesis that motion lines in the background represent motion streaks of the background when one visually tracks a moving object. 相似文献
126.
A developmental shift from similar to language-specific strategies in verb acquisition: A comparison of English,Spanish, and Japanese 总被引:1,自引:0,他引:1
Mandy J. Maguire Kathy Hirsh-Pasek Roberta Michnick Golinkoff Mutsumi Imai Etsuko Haryu Sandra Vanegas Hiroyuki Okada Rachel Pulverman Brenda Sanchez-Davis 《Cognition》2010,114(3):299-319
The world’s languages draw on a common set of event components for their verb systems. Yet, these components are differentially distributed across languages. At what age do children begin to use language-specific patterns to narrow possible verb meanings? English-, Japanese-, and Spanish-speaking adults, toddlers, and preschoolers were shown videos of an animated star performing a novel manner along a novel path paired with a language-appropriate nonsense verb. They were then asked to extend that verb to either the same manner or the same path as in training. Across languages, toddlers (2- and 2.5-year-olds) revealed a significant preference for interpreting the verb as a path verb. In preschool (3- and 5-year-olds) and adulthood, the participants displayed language-specific patterns of verb construal. These findings illuminate the way in which verb construal comes to reflect the properties of the input language. 相似文献
127.
Features are also important: contributions of featural and configural processing to face recognition 总被引:3,自引:0,他引:3
It has been suggested that face recognition is primarily based on configural information, with featural information playing little or no role. We investigated this idea by comparing the prototype effect for face prototypes that emphasized either featural or configural processing. In Experiment 1, participants showed a tendency to commit false alarms in response to nonstudied prototypes, and this tendency was equivalent for featural and configural prototypes. Experiment 2 replicated this finding, and provided support for the assumption that the two types of prototypes differed in terms of featural and configural processing: Face inversion eliminated the prototype effect for configural prototypes but not for featural prototypes. These results suggest that both featural and configural processing make important contributions to face recognition, and that their effects are dissociable. 相似文献
128.
The Road-Map Test (RMT) is a popular neurological assessment of left-right orientation, using a simplified road map. Inspired
by the RMT, we developed a new computerized navigation test, the Random Walker Test (RWT), for further quantitative assessment
of left-right orientation ability. RWT provides verbal or nonverbal instructions for the direction (left, right, or front)
in which to proceed, and participants must judge the spatially correct direction. Perspectives rotate by 90° during navigation.
Verbal judgments demand verbal-to-spatial mapping of left/right/front and, if necessary, egocentric perspective rotation.
Using the RWT, we evaluated the left-right orientation of normal male participants. The RWT reliably recorded the response
times and error rates for participant performance and also revealed egocentric perspective rotation as an unreliable mental
process with large intra- and interpersonal variability. These results indicate that the RWT may be useful in investigating
left-right orientation and/or egocentric perspective rotation in both normal participants and neuropathological patients. 相似文献
129.
Some words are sound-symbolic in that they involve a non-arbitrary relationship between sound and meaning. Here, we report that 25-month-old children are sensitive to cross-linguistically valid sound-symbolic matches in the domain of action and that this sound symbolism facilitates verb learning in young children. We constructed a set of novel sound-symbolic verbs whose sounds were judged to match certain actions better than others, as confirmed by adult Japanese- as well as English speakers, and by 2- and 3-year-old Japanese-speaking children. These sound-symbolic verbs, together with other novel non-sound-symbolic verbs, were used in a verb learning task with 3-year-old Japanese children. In line with the previous literature, 3-year-olds could not generalize the meaning of novel non-sound-symbolic verbs on the basis of the sameness of action. However, 3-year-olds could correctly generalize the meaning of novel sound-symbolic verbs. These results suggest that iconic scaffolding by means of sound symbolism plays an important role in early verb learning. 相似文献
130.