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181.
D P Corina H Poizner U Bellugi T Feinberg D Dowd L O'Grady-Batch 《Brain and language》1992,43(3):414-447
This paper addresses the issue of the separability of disorders of sign language from disorders of gesture and pantomime. The study of a left-lesioned deaf signer presents one of the most striking examples to date of the cleavage between linguistic signs and manual pantomime. The left-hemisphere lesion produced a marked sign language aphasia disrupting both the production and the comprehension of sign language. However, in sharp contrast to the breakdown of sign language, the ability to communicate in nonlinguistic gesture was remarkably spared. This case has important implications for our understanding of the neural mediation of language and gesture. We argue that the differences observed in the fractionation of linguistic versus nonlinguistic gesture reflect differing degrees of compositionality of systems underlying language and gesture. The compositionality hypothesis receives support for the existence of phonemic paraphasias in sign language production, illustrating structural dissolution which is absent in the production of pantomimic gesture. Understanding the neural encoding of compositional motoric systems may lead to a principled anatomical account of the neural separability of language and gesture. This case provides a powerful indication of the left hemisphere's specialization for language-specific functions. 相似文献
182.
183.
Phillip J. Belfiore David L. Lee Andrs U. Vargas Christopher H. Skinner 《Journal of applied behavior analysis》1997,30(2):327-330
The purpose of this study was to examine the effects of a sequence of three single-digit (1 digit × 1 digit) multiplication problems on the latency to initiate multiple-digit (3 digit × 3 digit) multiplication problems for 2 students in an alternative education school. Data showed that (a) during the preference assessment, both students selected the single-digit problems in a majority of the sessions, and (b) intervention resulted in a decrease in latency between problems for both students. Results are discussed in relation to using high-preference sequences to promote behavioral momentum in academic content areas. 相似文献
184.
The influence of prolonged deprivation on response to uncontrollable outcome was investigated among 104 young Indian students. They received an unsolvable block design task followed by an anagram solution test and an attribution questionnaire. As predicted, the high-deprived and the female students displayed greater helplessness than their low-deprived and male counterparts, and they attributed uncontrollable outcome more to internal, stable, and global causes. 相似文献
185.
Size of the attentional focus and efficiency of processing 总被引:9,自引:0,他引:9
By following Eriksen and St. James (1986) the experiments reported in this study focused upon three questions: (a) Can the spatial extent of the attentional focus be made to vary in response to precues? (b) As the area of the attentional focus increases, is there a decrease in processing efficiency for stimuli within the focus? (c) Is the boundary of the focus sharply demarked from the residual field or does it show a gradual dropoff? The results seem to provide answers to these questions: (a) the size of the attentional focus can be adjusted so that it covers areas of the visual field of different size; (b) there is a decrease in processing efficiency when the area of the attentional focus increases; and (c) there is a gradual dropoff in processing efficiency around the attentional focus. 相似文献
186.
187.
U J?nicke J Hartung R Spitzbarth H F Sp?te 《Psychiatrie, Neurologie, und medizinische Psychologie》1990,42(5):257-263
The paper deals with the professional rehabilitation of cyclothymic patients with the aid of a semi-standardized interview of patient and superior direct at the place of employment. Half the patients had considerable professional problems consisting in requirements too low or too high and in lack of understanding on the past of the fellow workers. There is a connection between professional dissatisfaction and the numbers of recidives. Nearly all chiefs and associates wished more information about social manners towards the patient and about questions of his working capability and maximum stress. The results underline the necessity to include in the process of rehabilitation. Individual communication of the physician coworkers and with the patient is recommended as the most efficient form. 相似文献
188.
Canalized F-waves and H-reflexes occurring on small hand and foot muscles are to be considered symptoms of central disinhibition. Occurrence of these waves and reflexes in patients with hemispastic syndrome is analyzed and correlated with clinical aspects. 相似文献
189.
When tested in a Y-maze olfactometer, sexually experienced and sexually naive brown and collared lemmings (Lemmus sibiricus = trimucronatus and Dicrostonyx groenlandicus) preferred the odor of conspecific females to the odor of females of another species. Both experienced and naive males also preferred the odor of conspecific females to that of conspecific males. Only sexually experienced males showed a significant preference for estrous over nonestrous conspecific females. Sexually experienced males also discriminated between estrous and nonestrous heterospecific females of a familiar (lemming) and unfamiliar (meadow vole, Microtus pennsylvanicus) species. In conjunction with the results of earlier studies of the development of species-specific olfactory preferences, these findings suggest that two olfactory cues mediate a male's attraction to receptive females: a species-specific odor that is learned during early development and a sexual attractant whose saliency is established as a result of adult experience with a receptive female. 相似文献
190.
U W Huck E M Banks C B Coopersmith 《Journal of comparative psychology (Washington, D.C. : 1983)》1984,98(1):60-65
When tested in a Y-maze olfactometer, male brown and collared lemmings (Lemmus sibiricus = trimucronatus and Dicrostonyx groenlandicus) preferred the odor of unmated receptive females to the odor of females with which they had just copulated. Similarly, sexually satiated males preferred the odor of an unmated receptive female to that of a strange female that had recently copulated with another male. Sexually experienced males without recent copulatory experience also demonstrated this preference, but sexually naive males did not. Sexually satiated collared lemmings preferred the odor of bedding from a novel estrous female to bedding from the female with which they had just copulated even when the bedding was collected before mating occurred. These results suggest that discrimination between prior mates and unmated females may be based on individual recognition as well as recognition of subclasses of females (i.e., mated vs. unmated, familiar vs. unfamiliar). 相似文献