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431.
Time-sharing and dichotic listening techniques were used to examine cerebral lateralization for language function in 48 normal and 48 learning-disabled children. All subjects were matched according to age, sex, and handedness. An analysis of results indicated that both nornal and learning-disabled children demonstrated left hemisphere lateralization of language function on the time-sharing and dichotic listening tasks. However, no developmental trends were evident for either group. Differences observed in the performance of the normal and learning-disabled children may relate to how each group utilizes “verbal strategies” and processes simultaneous information in the left hemisphere. The results strongly question the notion that attributes learning disabilities to incomplete or delayed language lateralization and lend support to the notion that cerebral lateralization is not a developmental phenomena. 相似文献
432.
The effect of grammatical complexity on the disfluency behavior of nonstuttering 3- and 4-yr-old children was examined. Thirty normal children repeated after the examiner 30 sentences which represented six different grammatical constructions. These grammatical constructions represented a range of grammatical complexity.The total number of disfluencies that occurred in each sentence type was compared. The occurrence of specific disfluency categories in each sentence type was also examined. Subjects produced significantly more disfluencies on passive sentences than on any other sentence type. The passive elicited significantly more interjections, word repetitions, and revisions than the other sentence types.The effect of sentence type on imitation performance was also examined. The auxiliary Have and negative sentence types elicited significantly more imitation errors than other sentence types. Initiation and fluency performance for individual subjects were also examined.The results of the present investigation suggest that when grammatical complexity is controlled, the relationship between disfluencies and grammatical complexity is complicated. When grammatical constructions were relatively difficult for children, complexity affected the occurrence of disfluencies. However, factors other than grammatical complexity affect the occurrence of disfluencies in pre-school children. 相似文献
433.
EMR children were taught to produce an interrogative strategy as an aid to paired-associate learning. Interrogative training was spread over four sessions with experimenter guidance gradually faded; training was followed by tests of long-term retention for the trained items, strategy maintenance, and generalization. Metamemory was assessed prior to training and following generalization. Analysis of recall demonstrated successful maintenance and generalization of the interrogative strategy; the quality of elaborations produced by the trained children predicted recall accuracy. Importantly, metamemory pretest measures for the interrogative trained children were related to strategy use at generalization. Metamemory posttest reliably predicted recall during training, maintenance, and generalization sessions and strategy use at maintenance. Interrogative training did not noticeably improve general aspects of metamemorial knowledge. 相似文献
434.
435.
Linda A. Parker 《Learning and motivation》1980,11(4):538-559
The CR elicited by an exposure to a lithium-conditioned flavor CS+ was measured in a paradigm which closely approximated traditional conditioned suppression of licking. Rats were first trained to discriminate between a lithiumpaired flavored solution (CS+) and an equally familiar, but safe, flavored solution (CSc). Then, while they consumed a differently flavored test solution, the rats were intraorally infused with either the CS+ or the CSc flavored solution. The immediate aftereffect of the CS+ exposure on consumption of the Test Solution (TS) measured the CR. The CS+ exposure suppressed the consumption of both a novel flavored TS and an unflavored water TS. The strength of the suppressive CR was influenced by the nature of the TS and by the dose of lhe lithium US. 相似文献
436.
Anthony Elliott 《Political psychology》1998,19(4):833-852
This article is a contribution toward the task of constructing a distinctive political psychology and social theory of celebrity. The article begins by noting some recent approaches to the analysis of mass communications in political theory, and moves to consider what these theories mean for the conceptual analysis of celebrity. A substantive example of the political construction of celebrity is given in a case study of the ex-Beatle, John Lennon—specifically, the social drama surrounding his death in 1980. A number of issues, ranging from the denial of death in modernity to the multiplex modes of cultural remembering, are discussed as they relate to celebrity. 相似文献
437.
Jürgen Oelkers 《Studies in Philosophy and Education》1993,13(2):91-109
The article discusses two basic paradigms of western educational theory, namely the concept of influence and the concept of development. Two historical contextes are analyzed, John Locke's theory of human learning and Jean-Jacques Rousseau's theory of natural development. Both theories are rejected in favour of a position beyond influence and development. This position of a theory of education (Erziehung) is marked with the term moral communication.An earlier and slightly different version of this article was presented to the International Symposion The Crisis of Schools (Corsendonck/Belgium, March 1992). It was translated from the german original by Annette Roeder. The final draft is my own. 相似文献
438.
When rats first encountered a mouse-trap or a flashbulb in a chamber to which they had been habituated, they buried it with bedding material from the floor of the chamber, whereas rats previously habituated to the trap or the flashbulb did not. Conversely, rats did not bury a stationary, wire-wrapped wooden prod or a length of polyethylene tubing, even on first encounter. However, almost every rat struck by the trap, shocked by the prod, exposed to an airblast from the tube, or to a flash of the bulb, buried the respective source of aversive stimulation with the bedding material, even when a comparable control object was present during conditioning and testing. Thus, the phenomenon of defensive burying is not restricted to situations in which neutral objects serve as the source of painful electric shock. Rats seem to enter the experimental environment with an already established tendency to bury some objects (unconditioned defensive burying) but not others, and they readily learn to selectively bury an object that has been the source of any one of a variety of aversive stimuli (conditioned defensive burying). 相似文献
439.
Differences between impulsive and reflective subjects may be related to the amount of information processed in a given task. This possibility was tested in a visual-verbal probe recognition task. Twenty-three impulsive and 23 reflective adults subjects were divided into experimental and control groups. Experimental subjects were briefly exposed to a complex stimulus, whereas control subjects were given a comparable exposure to a different stimulus. Subjects were asked to choose between equal number of positives (stimulus-relevant) and negative probe items. A comparison of areas under memory operating characteristic curves for experimental subjects indicated that the recognition threshold for positive probes for impulsive subjects was significantly lower than the threshold for reflective subjects. The difference between subjective likelihood criteria was not significant. Also, accuracy of experimental subjects was significantly greater than that of control subjects. Differences in information availability were thought to be indicative of differences in selective attention processes. 相似文献
440.
John J. Shaughnessy 《Journal of research in personality》1979,13(4):505-514
As part of the regular classroom testing procedure, undergraduate students in an introductory psychology course were asked to provide confidence judgments along with their answers to multiple-choice test items. The two objectives of the study were to determine the extent of students' confidence-judgment accuracy and the degree of relationship of this memory-monitoring ability to overall test performance. The results showed that even the students having the poorest test performance showed some confidence-judgment accuracy, and, more importantly, there was a strong positive relationship between confidence-judgment accuracy and test performance, r(43) = .49. Thus, students who know more also are better able to distinguish between known and unknown information. 相似文献