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61.
We assessed the relationship between brain structure and function in 10 individuals with specific language impairment (SLI), compared to six unaffected siblings, and 16 unrelated control participants with typical language. Voxel-based morphometry indicated that grey matter in the SLI group, relative to controls, was increased in the left inferior frontal cortex and decreased in the right caudate nucleus and superior temporal cortex bilaterally. The unaffected siblings also showed reduced grey matter in the caudate nucleus relative to controls. In an auditory covert naming task, the SLI group showed reduced activation in the left inferior frontal cortex, right putamen, and in the superior temporal cortex bilaterally. Despite spatially coincident structural and functional abnormalities in frontal and temporal areas, the relationships between structure and function in these regions were different. These findings suggest multiple structural and functional abnormalities in SLI that are differently associated with receptive and expressive language processing. 相似文献
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Quasi-Realism, Negation and the Frege-Geach Problem 总被引:2,自引:0,他引:2
Nicholas Unwin 《The Philosophical quarterly》1999,49(196):337-352
Every expressivist theory of moral language requires a solution to the Frege-Geach problem, i.e., the problem of explaining how moral sentences retain their meaning in unasserted (e.g., conditional and disjunctive) contexts. An essential part of Blackburn's ' quasi -realist project', i.e., the project of showing how we can earn the right to treat moral sentences as if they have ordinary truth-conditions, is to provide a sophisticated solution. I show, however, that simple negated contexts provide a fundamental difficulty, since accepting the negation of a sentence is easily confused with merely refusing to accept that sentence. I argue that Blackburn's model-set semantics for his 'Hooray!' and 'Boo!' operators requires logical apparatus to which he is not entitled. I consider various modifications, but show that they do not succeed.
email : n.unwin@bolton.ac.uk 相似文献
email : n.unwin@bolton.ac.uk 相似文献
64.
Kristin R. Egemo‐Helm Raymond G. Miltenberger Peter Knudson Nicholas Finstrom Candice Jostad Brigitte Johnson 《Behavioral Interventions》2007,22(2):99-119
The current study evaluated a behavioral skills training (BST) program in combination with in situ training to teach sexual abuse prevention skills to five women with mild to moderate mental retardation. In situ assessments were conducted following BST and in situ training sessions were conducted for those who were unable to demonstrate the skills in the natural setting. The results showed that generalization of the safety skills to the natural setting occurred for three of the five participants following one to two in situ training sessions. One participant required 12 in situ training sessions and three booster training sessions to reach criterion level. Three of four participants assessed 1 month following training maintained the skills. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
65.
The central question underlying this study revolves around how children process co-reference relationships—such as those evidenced
by pronouns (him) and reflexives (himself)—and how a slowed rate of speech input may critically affect this process. Previous studies of child language processing
have demonstrated that typical language developing (TLD) children as young as 4 years of age process co-reference relations
in a manner similar to adults on-line. In contrast, off-line measures of pronoun comprehension suggest a developmental delay
for pronouns (relative to reflexives). The present study examines dependency relations in TLD children (ages 5–13) and investigates
how a slowed rate of speech input affects the unconscious (on-line) and conscious (off-line) parsing of these constructions.
For the on-line investigations (using a cross-modal picture priming paradigm), results indicate that at a normal rate of speech
TLD children demonstrate adult-like syntactic reflexes. At a slowed rate of speech the typical language developing children displayed a breakdown in automatic syntactic parsing (again, similar to the pattern seen in unimpaired adults).
As demonstrated in the literature, our off-line investigations (sentence/picture matching task) revealed that these children
performed much better on reflexives than on pronouns at a regular speech rate. However, at the slow speech rate, performance
on pronouns was substantially improved, whereas performance on reflexives was not different than at the regular speech rate.
We interpret these results in light of a distinction between fast automatic processes (relied upon for on-line processing
in real time) and conscious reflective processes (relied upon for off-line processing), such that slowed speech input disrupts
the former, yet improves the latter. 相似文献
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Of 301 participants in a telephone survey, 201 could identify a problem drinker within their social networks. In 67 cases the drinker was a partner, in 45 another family member, in 61 a friend, and in 28 a work colleague. Another person's heavy drinking was reported as most disrupting to one's life when that person was a partner or other family member or if one was living in the same residence as the drinker. The exception to this was that reported disruption to respondents' work life was greatest when the drinker was a work colleague. While there appear to be problems for friends and work colleagues, partners and other family members appear to report the most disruption so providing services to family members seems appropriate. 相似文献
69.
We report five experiments in which the role of background beliefs in social judgments of posterior probability was investigated. From a Bayesian perspective, people should combine prior probabilities (or base rates) and diagnostic evidence with equal weighting, although previous research shows that base rates are often underweighted. These experiments were designed so that either piece of information was supplied either by personal beliefs or by presented statistics, and regression analyses were performed on individual participants to assess the relative influence of information. We found that both prior probabilities and diagnostic information significantly influenced judgments, whether supplied by beliefs or by statistical information, but that belief-based information tended to dominate the judgments made. 相似文献
70.
Yamauchi T Love BC Markman AB 《Journal of experimental psychology. Learning, memory, and cognition》2002,28(3):585-593
Previous research suggests that learning categories by classifying new instances highlights information that is useful for discriminating between categories. In contrast, learning categories by making predictive inferences focuses learners on an abstract summary of each category (e.g., the prototype). To test this characterization of classification and inference learning further, the authors evaluated the two learning procedures with nonlinearly separable categories. In contrast to previous research involving cohesive, linearly separable categories, the authors found that it is more difficult to learn nonlinearly separable categories by making inferences about features than it is to learn them by classifying instances. This finding reflects that the prototype of a nonlinearly separable category does not provide a good summary of the category members. The results from this study suggest that having a cohesive category structure is more important for inference than it is for classification. 相似文献