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221.
Bilingual children often outperform monolingual children in tasks of cognitive control. This advantage may be a consequence of the fact that bilinguals have more practice controlling attention due to an ongoing need to manage two languages. However, existing evidence is limited because possible differences in ethnicity and socioeconomic status have not been properly controlled. To address this issue, we administered the Simon task to bilingual and monolingual children of identical ethnic and socioeconomic backgrounds. Bilingual and monolingual children performed identically, whereas children from higher SES families were advantaged relative to children from lower SES families. Controlling differences in SES and ethnicity may attenuate the bilingual advantage in cognitive control. 相似文献
222.
Gestural communications of 10 mild and moderate aphasics and five controls were examined in two conditions: Face-to-face informal dyadic conversation and restricted visual access between speaker and listener. Gestural production was significantly reduced with restriction of visual access, supporting the posited communicative function of the hand and arm gestures investigated in this study. No differences were found between aphasic and control subjects in the rate of gestural communication in the natural condition of face-to-face interaction. Moderate aphasics, however, were found to produce proportionally fewer of the complex semantic modifying and relational communicative gestures and more nonspecific, nonconsensually shared, unclear gestures. Gestural complexity was significantly negatively correlated with measures of linguistic impairment for the aphasics. The relationship between the frequency and complexity of communicative gestures and concurrent verbalizations was also examined. The findings of this study provide confirmation for the view that there is an identifiable class of gestures utilized by aphasics for communication, aphasics are impaired in their gestural communicative competence in natural conditions of communication, and the quality of aphasics' gestural communications parallels changes in their verbal communication patterns. 相似文献
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Robert Clarke John Morton 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1983,35(1):79-96
In its old form, the logogen model (Morton, 1969) would have predicted extensive cross-model facilitation of tachistoscopic word recognition. An experiment by Winnick and Daniel (1970) violated this prediction by showing no effects on subsequent visual word recognition of naming a picture or filling a definition. The latter results was replicated, and it was also found that pretraining with handwritten words transferred to printed words from 10-45 min later. A further experiment showed no significant transfer from auditory presentation to subsequent visual recognition. A third experiment, designed to minimize the role of conscious guessing strategies showed a significant cross-model transfer. The logogen model was modified substantially in the light of these data. There are now seen to be modality specific input categorization systems which are separate from the output lexicon and which are identified as the site of facilitation in the experiments. 相似文献
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Morton M. Silverman Alan L. Berman Bruce Bongar Robert E. Litman Ronald W. Maris 《Suicide & life-threatening behavior》1994,24(2):152-169
The authors elaborate on the standards of care for the assessment, management, and treatment of hospitalized suicidal patients. The authors attempt to synthesize the concepts of the minimal standard of care with clinical risk management and clinical judgment. They point out the areas of overlap and where optimum care diverges from legal standards of care. Case examples are provided to illustrate major areas of concern. Alleged failures of omission and commission are discussed. Tables are provided that differentiate duties and responsibilities between and among clinicians, hospital staff, and hospital administration. 相似文献
229.
Fourth grade children (N = 159) from eight classes who were free to select their seating location in the classroom were tested for spelling ability. On 100 word spelling lists, the children (males and females) seated on the right side of the classroom (facing the teacher) were superior to children on the left. Analysis of spelling errors for reliance on phonological processing in a subsample (N = 28) revealed that right sitters made more phonetically inaccurate misspellings, whereas, on the left, females, but not males, committed more phonetically accurate misspellings. The results support the view that hemispheric information processing is correlated with classroom seating location or preference, but casual inferences regarding the neuropsychological mechanisms underlying these findings are unwarranted pending clarification of several major theoretical issues. 相似文献
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