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52.
Auditory language comprehension: an event-related fMRI study on the processing of syntactic and lexical information 总被引:1,自引:0,他引:1
The functional specificity of different brain regions recruited in auditory language processing was investigated by means of event-related functional magnetic resonance imaging (fMRI) while subjects listened to speech input varying in the presence or absence of semantic and syntactic information. There were two sentence conditions containing syntactic structure, i.e., normal speech (consisting of function and content words), syntactic speech (consisting of function words and pseudowords), and two word-list conditions, i.e., real words and pseudowords. The processing of auditory language, in general, correlates with significant activation in the primary auditory cortices and in adjacent compartments of the superior temporal gyrus bilaterally. Processing of normal speech appeared to have a special status, as no frontal activation was observed in this case but was seen in the other three conditions. This difference may point toward a certain automaticity of the linguistic processes used during normal speech comprehension. When considering the three other conditions, we found that these were correlated with activation in both left and right frontal cortices. An increase of activation in the planum polare bilaterally and in the deep portion of the left frontal operculum was found exclusively when syntactic processes were in focus. Thus, the present data may be taken to suggest an involvement of the left frontal and bilateral temporal cortex when processing syntactic information during comprehension. 相似文献
53.
Friedrich von Halem 《Studies in East European Thought》2000,52(4):335-335
Other Index
Key Word Index to Volume 52 相似文献54.
This research investigated mothers' affect in the context of children's homework. Mothers (N = 109) of children 8 to 12 years old were interviewed daily about their affect while interacting with children, their assistance with children's homework, and children's behavior while completing homework. At this time and 6 months later, children's motivational and emotional functioning was assessed. Although mothers' negative affect was lower than their positive affect, it was elevated on days their assistance with homework was high. This was accounted for by mothers' perceptions of children as helpless on days they provided heightened assistance. Mothers' positive affect in the homework context buffered children's motivational and emotional functioning against mothers' negative affect as well as children's helplessness. 相似文献
55.
One of the most frequently reported changes across the transition to parenthood is a decline in marital quality after the birth of a first baby. Experiences in the family of origin may influence the trajectory of marital quality. Our study aimed to investigate the impact of recollections of family-of-origin marriage on marital quality (self-reports and clinical evaluation) from pregnancy to 1 year after the birth of a first child. A total of 62 first-time parents completed questionnaires (self-reported marital satisfaction) and clinical interviews (clinical evaluation of couples' dialogue quality). Although self-reported marital satisfaction and observed dialogue quality were highly associated, only self-reported marital satisfaction declined from pregnancy to 1 year after birth. This decrease was partly due to very high marital satisfaction during pregnancy. Different trajectories for self-reported marital satisfaction and observed dialogue quality were found for participants with recollections of low-, average-, and high-quality family-of-origin marriage. A structural equation model showed that participants who recollected a negative quality in their parents' relationship reported more negative changes in the quality of their own marriages. There seems to be an intergenerational transmission of marital quality that comes to light when couples are challenged by the birth and rearing of a baby. 相似文献
56.
Eva?M.?EpsteinEmail author Denise?M.?Sloan 《Journal of Contemporary Psychotherapy》2005,35(4):317-330
There is a wealth of data indicating the effectiveness of cognitive behavioral therapy in the treatment of bulimia nervosa.
However, the best evidence indicates a treatment success rate of 50%. The purpose of this paper is to briefly describe cognitive
behavioral treatment of bulimia nervosa and to offer suggestions on how this therapy approach may be tailored to best serve
the needs of individual clients. Such tailoring should ultimately lead to even greater treatment success. 相似文献
57.
Four experiments were designed to investigate whether the frequency of words used to create pseudowords plays an important role in lexical decision. Computational models of the lexical decision task (e.g., the dual route cascaded model and the multiple read-out model) predict that latencies to low-frequency pseudowords should be faster than latencies to high-frequency pseudowords. Consistent with this prediction, results showed that when the pseudowords were created by replacing one internal letter of the base word (Experiments 1 and 3), high-frequency pseudowords yielded slower latencies than low-frequency pseudowords. However, this effect occurred only in the leading edge of the response time (RT) distributions. When the pseudowords were created by transposing two adjacent internal letters (Experiment 2), high-frequency pseudowords produced slower latencies in the leading edge and in the bulk of the RT distributions. These results suggest that transposed-letter pseudowords may be more similar to their base words than replacement-letter pseudowords. Finally, when participants performed a go/no-go lexical decision task with one-letter different pseudowords (Experiment 4), high-frequency pseudowords yielded substantially faster latencies than low-frequency pseudowords, which suggests that the lexical entries of high-frequency words can be verified earlier than the lexical entries of low-frequency words. The implications of these results for models of word recognition and lexical decision are discussed. 相似文献
58.
We look at the problem of revising fuzzy belief bases, i.e., belief base revision in which both formulas in the base as well as revision-input formulas can come attached with varying degrees. Working within a very general framework for fuzzy logic which is able to capture certain types of uncertainty calculi as well as truth-functional fuzzy logics, we show how the idea of rational change from “crisp” base revision, as embodied by the idea of partial meet (base) revision, can be faithfully extended to revising fuzzy belief bases. We present and axiomatise an operation of partial meet fuzzy base revision and illustrate how the operation works in several important special instances of the framework. We also axiomatise the related operation of partial meet fuzzy base contraction.This paper is an extended version of a paper presented at the Nineteenth Conference on Uncertainty in Arti.cial Intelligence (UAI’03). 相似文献
59.
60.
When making decisions, people have been found predominantly to seek information supporting their preferred choice and to neglect conflicting information. In this article, the authors investigate to what extent different types of advisors, who recommend a choice to someone or make a decision on behalf of someone, show the same confirmatory information search. In Experiment 1, the authors presented participants, in the role of advisors, with a client's decision problem and found that when making a recommendation, advisors conducted a more balanced information search than participants who were making a decision for themselves. However, advisors who had to make a decision on behalf of their clients revealed an increased preference for information supporting their position. Experiment 2 suggested that this confirmatory information search was caused by impression motivation: The advisors bolstered their decision to justify it to the client. The results are discussed within the multiple motive framework of the heuristic systematic model. 相似文献