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231.
Ss decided whether dichotically presented consonant or vowel phonemes were “same” or “different” in a reaction time (RT) task. Results indicated that “different” responses were made on the basis of a serial, self-terminating scan of distinctive feature differences between phonemes. “Same” responses were considered too fast to be accounted for by this process and were discussed as a separate parallel process. Recognition of dichotically presented syllables appears to involve a third process in which phonemes are also identified in terms of their distinctive features. 相似文献
232.
A computer system for on-line psychiatric patient assessment has been developed at the Veterans Administration Hospital in Salt Lake City. Unlike the typical on-line computer system designed for skilled terminal operators, this system is designed to interact with unskilled psychiatric patients. Special design considerations necessary to support this approach are discussed. 相似文献
233.
234.
Eight severe aphasics were given sentences with either emotional or neutral content, presented once directly by the examiner and once via a tape recorder. Sentences with emotional content produced a greater number of responses than their neutral counterparts. Sentences spoken by the examiner also produced a significantly greater number of responses than the same items originating from a tape recorder. These results confirm the view that elements not related to the linguistic aspects of a message (and therefore referred to as paralinguistic) play a significant role in auditory comprehension. 相似文献
235.
A theoretical and empirical study of professional education in the human service disciplines is described. Seven highly generalizable, cognitive, and affective skill domains are postulated as broad goals worthy of incorporating into such programs. Data are analyzed from several groups of helping professionals (N = 240). These persons perceive all the skill domains to be required for effective professional practice and to be relatively teachable. Excepting basic professional-technical skill areas, these persons are less sure that such competencies should be used as criteria for selection and evaluation of students and certain the skill areas are not presently used in this manner. The existence of this paradox bodes ill for efforts to establish affective curricular goals. 相似文献
236.
Subjects were presented with two letters from the set BCDFGHLNPORTVZ, one in upper case and one in lower case. Subjects were required to decide, as quickly as possible, whether the two letters on each trial were the same (e.g., Bb) or different (e.g., Bd). Because letters were always physically different, subjects presumably must name the letters in order to respond. Reaction times were predicted by the visual similarity of the letters, and not by their phonemic distinctive feature similarity. Consistent with previous work showing that a word's meaning can be assessed directly from visual information, the findings suggest that visual analysis of a capital or small letter can result in knowing the latter name without further linguistic processing. These results were interpreted as an example of automatic detection as described by Schneider and Shiffrin (1977). 相似文献
237.
Cole PD Kamen BA 《Mental retardation and developmental disabilities research reviews》2006,12(3):174-183
Most children diagnosed today with acute lymphoblastic leukemia (ALL) will be cured. However, treatment entails risk of neurotoxicity, causing deficits in neurocognitive function that can persist in the years after treatment is completed. Many of the components of leukemia therapy can contribute to adverse neurologic sequelae, including craniospinal irradiation, nucleoside analogs, corticosteroids, and antifolates. In this review, we describe the characteristic radiographic findings and neurocognitive deficits seen among survivors of childhood ALL. We summarize what is known about the pathophysiology of delayed treatment-related neurotoxicity, with a focus on the toxicity resulting from pharmacologic disruption of folate physiology within the central nervous system. Finally, we suggest testable strategies to ameliorate the symptoms of treatment-related neurotoxicity or decrease its incidence. 相似文献
238.
Cole M 《The American psychologist》2006,61(8):904-917
A concern with international cooperation in psychology has been present since the beginnings of psychology as a science. In this article, the author traces the development of international cooperation from the late 19th century to the present day to document the interesting ways in which the forms of collaboration have always been related to the large social and political contexts of which they are a part. This historical material is followed by an autobiographical account of the author's own involvement in cooperative international research to illustrate how such activity can play out. A few selected collaborative enterprises are then described to emphasize the point that psychology stands to benefit enormously from continued international cooperation, especially in times of international conflict such as that being experienced at the present time. ((c) 2006 APA, all rights reserved). 相似文献
239.
In a 6-wave longitudinal study, children (Grades 4-6, n = 648), adolescents (Grades 7-9, n = 1,489), and their parents completed child-adolescent or parent versions of the Children's Depression Inventory (CDI; M. Kovacs, 1981). Using structural equation modeling, the authors conducted latent trait-state analyses to distinguish between a stable trait dimension of depression (in which individual differences are stable over time) and an autoregressive dimension (in which individual differences are less stable over time). Children's CDIs reflected the autoregressive dimension more than a stable trait dimension, whereas parents' CDIs reflected a stable trait dimension more than an autoregressive dimension. Reports from adolescents and their parents reflected a stable trait dimension more than an autoregressive dimension of depressive symptoms. Results suggest that the longitudinal structure of the CDI varies considerably depending on the age of the target and the type of informant. 相似文献
240.
Because most learning studies in cephalopods have been performed on octopods, it remains unclear whether such abilities are specific to octopus, or whether they correlate with having a larger and more centrally organized brain. To investigate associative learning in a different cephalopod, six sexually mature cuttlefish (Sepia officinalis) participated in a counterbalanced, within-subjects, appetitive, classical conditioning procedure. Two plastic spheres (conditioned stimuli, CSs), differing in brightness, were presented sequentially. Presentation of the CS+ was followed 5 s later by a live feeder fish (unconditioned stimulus, US). Cuttlefish began to attack the CS+ with the same type of food-acquisition seizures used to capture the feeder fish. After seven blocks of training (42 presentations of each CS) the difference in seizure probability between CS+ and CS– trials more than doubled; and was found to be significantly higher in late versus early blocks. These results indicate that cuttlefish exhibit autoshaping under some conditions. The possible ecological significance of this type of learning is briefly discussed.Electronic Supplementary Material Supplementary material is available for this article at 相似文献