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51.
Previous research showed that handwriting production is mediated by linguistically oriented processing units such as syllables and graphemes. The goal of this study was to investigate whether French adults also activate another kind of unit that is more related to semantics than phonology, namely morphemes. Experiment 1 revealed that letter duration and inter-letter intervals were longer for suffixed words than for pseudo-suffixed words. These results suggest that the handwriting production system chunks the letter components of the root and suffix into morpheme-sized units. Experiment 2 compared the production of prefixed and pseudo-prefixed words. The results did not yield significant differences. This asymmetry between suffix and prefix processing has also been observed in other linguistic tasks. In suffixed words, the suffix would be processed on-line during the production of the root, in an analytic fashion. Prefixed words, in contrast, seem to be processed without decomposition, as pseudo-affixed words. 相似文献
52.
In investigations into perception-action systems, variability of observable behavior may be considered to (a) interfere with inquiry, (b) be neither detrimental nor particularly useful to inquiry, or (c) play a crucial role in inquiry. The authors underscore recent suggestions that alternative (c) is a preferred strategy for the study of many motor behaviors. In tutorial fashion, the authors review the concepts of variability and determinism with respect to postural and rhythmic movements. Study of the variability of those behaviors has revealed crucial features suggestive of underlying mechanisms and control, such as particular blends of noise and determinism (piecewise determinism). It has also revealed general lessons (for example, more variable does not mean more random and more controllable does not mean more deterministic) that may extend to other classes of perceptual-motor behavior. 相似文献
53.
The aim of the present study was to evaluate the usefulness of Barkley’s (1997a) model of inhibition and executive functioning in describing the deficits associated with Attention Deficit Hyperactivity Disorder (ADHD). Besides group differences, the present study addressed the question of independent effects of inhibition and the other executive functions in discriminating between children with ADHD and controls and how well, in terms of sensitivity and specificity, these measures can classify the children into the correct group. The results showed that children with ADHD differed significantly from controls with regard to measures of inhibition as well as all other executive function measures, except repetition of hand movements. In logistic regression models, three different measures tapping inhibition, working memory and emotion regulation were shown to be significant independent predictors of group membership. The sensitivity for these three variables as a set was 76.2, the specificity was 90.5, with a total of 86% of the sample correctly classified. When excluding the parental rating of emotion regulation, the overall classification rate decreased some, but was still relatively high in comparison with previous studies within this area of research. 相似文献
54.
55.
学习困难的ERP研究 总被引:1,自引:0,他引:1
事件相关脑电位(Event—related potentials,ERPs)是研究心理学和认知神经科学的重要技术手段,将该技术用于学习困难的脑机制的研究,有助于发现学习困难的神经机制。研究表明,学习困难者的P300波幅较小,潜伏期较长。学习困难者的MMN波幅比控制组小,在信息的自动加工方面存在缺陷。在单词命名任务中,学习困难者的N400较小,而且不同类型学习困难者的波幅和潜伏期存在明显差异。 相似文献
56.
Simple surveys are the predominant tool for course evaluations in most universities, but their validity has been questioned. They have been criticized for being a ritual way of complying with administrative regulations rather than a way of improving educational quality. Moreover, there is often a focus on student satisfaction, where the complexity of learning processes and the development of learner identities are lost. As an alternative approach, a qualitative course evaluation was tested that consisted of a single question: What could have been done in this course in order to better support your learning? Twenty-one second-year psychology students completed the evaluation at the end of a course. They provided rich answers describing learning activities and communication, and they described both teachers and students as agents. Going beyond merely reporting possible improvements, the students saw their learning processes in a context of academic demands and social mechanisms. It is argued that qualitative course evaluations can provide information about students’ understanding of their own learning that is difficult to uncover in a traditional survey. It is concluded that qualitative course evaluations would support the development of a student learner identity and help create a role for students as co-producers of knowledge. 相似文献
57.
An 11-year-old boy presented in an outpatient clinic with a vocal habit that occurred during reading and conversation. A brief reading assessment was conducted to determine an effective intervention to decrease the habit. A modified version of the word error-correction procedure resulted in positive changes and was implemented by his mother during home reading practices. Significant decreases in the rate of vocal habit were observed during home reading probes, generalization probes, and follow-up. 相似文献
58.
Used linguistic analysis of written narratives of caregivers of hospitalized youth with chronic illness to identify emotional and cognitive processes related to physical and psychological health outcomes following writing. Measures were administered at baseline and 4 months. Experimental group (n = 29) wrote about traumas whereas the control group (n = 24) wrote about summer activities for 20 min on three different days. Compared groups on negative emotion- and cognition-related word use. Tested change in negative emotion- and cognition-related word use as predictors of outcomes in experimental group. Consistent with hypotheses, experimental group used more negative emotion words [F(1, 53) = 77.55, p < .001] and cognition-related words than control group [F(1, 53) = 19.09, p < .001] and an increase in cognition words predicted Physical Health Summary Score on SF-36 (standardized = .37, p < .05). A decrease in negative emotion words was related to Physical Health Summary Score on SF-36 only when entered into regression with change in cognition words (standardized = –.31, p < .05). A decrease in negative emotion together with an increase in cognitive processing facilitated by written emotional disclosure has beneficial effects on physical health-related quality of life. 相似文献
59.
GENIA SCH
NBAUMSFELD 《Metaphilosophy》2010,41(5):649-668
Abstract: “Resolute readings” initially started life as a radical new approach to Wittgenstein's early philosophy, but are now starting to take root as a way of interpreting the later writings as well—a trend exemplified by Stephen Mulhall's Wittgenstein's Private Language (2007) as well as by Phil Hutchinson's “What's the Point of Elucidation?” (2007) and Rom Harré's “Grammatical Therapy and the Third Wittgenstein” (2008). The present article shows that there are neither good philosophical nor compelling exegetical grounds for accepting a resolute reading of the later Wittgenstein's work. It is possible to make sense of Wittgenstein's philosophical method without either ascribing to him an incoherent conception of “substantial nonsense” or espousing the resolute readers' preferred option of nonsense austerity. If the interpretation here is correct, it allows us to recognize Wittgenstein's radical break with the philosophical tradition without having to characterize his achievements in purely therapeutic fashion. 相似文献
60.
Engelen JA Bouwmeester S de Bruin AB Zwaan RA 《Journal of experimental child psychology》2011,110(4):659-675
We tested an embodied account of language proposing that comprehenders create perceptual simulations of the events they hear and read about. In Experiment 1, children (ages 7–13 years) performed a picture verification task. Each picture was preceded by a prerecorded spoken sentence describing an entity whose shape or orientation matched or mismatched the depicted object. Responses were faster for matching pictures, suggesting that participants had formed perceptual-like situation models of the sentences. The advantage for matching pictures did not increase with age. Experiment 2 extended these findings to the domain of written language. Participants (ages 7–10 years) of high and low word reading ability verified pictures after reading sentences aloud. The results suggest that even when reading is effortful, children construct a perceptual simulation of the described events. We propose that perceptual simulation plays a more central role in developing language comprehension than was previously thought. 相似文献