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Word-finding difficulties are often observed among different types of aphasic patients. This investigation analyzed the word-finding abilities of 30 aphasic subjects (10 Broca's, 10 Wernicke's, and 10 anomic). Forty nouns counterbalanced according to word length and frequency of occurrence in English language usage were used as stimuli and presented through four modalities (oral expression, writing, auditory comprehension, and reading comprehension). It was expected that patterns of word finding abilities would help in the classification of the different types of aphasia. In addition, long words and less frequently occurring words in English language usage should prove more difficult in word-finding ability, regardless of modality. The results of this study found long words and less frequent words were more difficult for aphasic subjects. Among the modalities, long words were significantly harder than short words for the writing modality only. It was also found that semantic errors were the most common errors for all types of aphasic subjects. Broca's subjects produced significantly moreno response errors in oral expression; Wernicke's subjects produced significantly more semantic and phonemic errors in reading comprehension; and, Wernicke's subjects produced significantly more unrelated errors in both oral expression and reading comprehension. Clinical implications were also discussed.The present study was based on a doctoral dissertation completed at the City University of New York in partial fulfillment of the requirements of the doctoral degree in Speech and Hearing Sciences by the first author under the direction of the second author. The authors wish to thank Dr. Louis J. Gerstman for his assistance with the statistical analysis of this research and Dr. Robert Goldfarb for all his helpful suggestions and editorial comments. 相似文献
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A radiotelemetry system for continuous monitoring of the temperature and/or location of small animals is described. All the functions of system control are carried out by an on-line microcomputer (TRS-80 Model III), resulting in a versatile system capable of alternating recording the temperature/location of multiple subjects with other behavioral or physiological events, such as activity level. We describe the use of this system in monitoring body temperature in hamsters and in recording the incubation pattern of breeding ring doves. 相似文献
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A private key is a referential utterance used to inform selectively. The ambiguity of the utterance conceals meaning from nonselected audience members. The purpose of this study was to examine three aspects of children's understanding of the use of private keys. Experiment 1 concerned children's sensitivity to information in the context of utterance (i.e., the common ground). Experiment 2 examined appreciation of audience design and the speaker's intent. Experiments 3, 4, and 5 explored some reasons for children's problems in understanding private keys. The results show that even first graders are sensitive to common ground information and the speaker's intent. However, audience design is troublesome even for second graders in some situations, probably because they fail to assess the knowledge of the audience members. Private keys are important theoretically because they represent an aspect of referential communication involving the uses of ambiguous utterances that have been ignored by developmental researchers. 相似文献
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Evril Silver 《Journal of Family Therapy》1996,18(4):415-432
Children and families referrred for soiling problems present special challenges to family therapists. Behaviour modification and the externalizing approach of White and Epston are considered in relation to these challenges. Externalizing may offer advantages over existing approaches and deserves systematic evaluation. 相似文献
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Liliane Maury 《International journal of psychology》1982,17(1-4):383-395
Three experiments were conducted, in order to investigate the spatial organization in children between 16 and 24 months. All experiments were based on a task requiring a search for an object with three possible hiding places. Between hiding and search, the relative positions of subject and apparatus were modified. In experiment 1, two kinds of rotations were compared: rotations involving the child himself versus rotations of the apparatus. Performances were better in the latter case. Experiments 2 and 3 showed that the three spatial positions were not equivalent for subjects. In particular, the proximal position relative to the subject was clearly privileged when the rotations were done in a horizontal plane. However, this privilege did not appear when the rotations were done in a frontal plane. 相似文献
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Cognitions, affect, and behavior following uncontrollable outcomes: A response to current human helplessness research 总被引:1,自引:0,他引:1
A series of articles in the Journal of Personality challenge several central assumptions of the reformulated learned helplessness model: that perceptions of uncontrollability, awareness of noncontingency between responses and outcomes, and attributions made about the outcome are necessary to explain learned helplessness effects. The present article addresses the validity of this challenge through a consideration of the methodology employed in these and other traditional studies of human helplessness conducted in the laboratory. We maintain that although performance deficits can be demonstrated reliably following exposure to uncontrollable outcomes, a number of factors other than expectations of future uncontrollability (i.e., learned helplessness) may be responsible for these effects. In addition, demands of the experimental situation may prevent subjects from admitting their true underlying thoughts and feelings regarding the manipulations employed. Finally, the current use of artificial laboratory paradigms may unnecessarily restrict the study of a complex psychological phenomenon such as learned helplessness. We suggest that future researchers employ paradigms that more closely parallel real world situations to which they hope to generalize, or utilize naturally occurring uncontrollable life events to study the problem. In addition, we argue that future research should broaden its focus beyond attributions to explore other mediators of human helplessness. 相似文献