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611.
P Schmidt 《Psychiatrie, Neurologie, und medizinische Psychologie》1977,29(11):689-695
This article reports observations made on thirty-six patients suffering from oral dyskinesia (tardive dyskinesia). In thirty cases, dyskinesia was observed to occur in the course of neuroleptic therapy. Occurrence of dyskinesia was dependent upon the use of a higher dosage rather than upon the duration of medication. Persons showing dyskinesia were not always subjects with previous cerebral lesions or patients of advanced age. Of patients with schizoform diseases, those were usually affected with oral hyperkinesia who had either partly or completely lost the process symptomatology, but who were unable to live a life satisfying them in every respect. 相似文献
612.
613.
Summary Braille-like patterns were presented unilaterally to both tactual and visual modalities. The subject's task was to identify the location of three dots in a 2 × 3 six-dot pattern. Specifically, tactual versus visual presentation, dynamic versus static presentation of tactual stimuli, learning, and gender were examined in relation to cerebral hemisheric differences. Data were analyzed in terms of both the number of individual stimulus dots and the number of complete three-dot patterns correctly identified with regard to their spatial location. Although no reliable laterality differences were obtained with the tactual-static condition, owing to a significant interaction between learning and side of stimulus presentation, dot positions were reported reliably more accurately when presented in a dynamic fashion, i. e., scanned by the subject, to the right hand. For the visual modality, both correct reports of individual dot positions as well as correct reports of the entire patterns were reliably more accurate for stimulus presentations to the right visual field. Increased familiarity with the task, i. e., learning accross trials, generally increased report accuracy, particularly for static presentations to the left hand. The effect of gender was negligible. The results are dicussed in terms of their theoretical implications for differential cerebral hemispheric specializations in terms of differential processing strategies.The research reported here was supported by a Grant (A8621) from the Natural Sciences and Engineering Research Council of Canada to the second author. Offprint requests should be sent to Eugene C. Lechelt, Department of Psychology, University of Alberta, Edmonton, Alberta, Canada T6G 2E9 相似文献
614.
A number of methodological features were incorporated in a paradigm designed to maximize the likelihood of finding reliable event-related potential (ERP) signs of functional specializations between and within the cerebral hemispheres. Every subject was more accurate in identifying words presented to the right than to the left visual field. The morphology of the ERPs elicited by these words varied considerably as a function of electrode position both within and between the hemispheres. Amplitude asymmetries of ERP components recorded from occipital regions of the two hemispheres varied systematically with the position of the word in the visual field. On the other hand, ERPs from more anterior (temporal and frontal) regions displayed large asymmetries which were in the same direction regardless of the visual field of word presentation. The most prominent such asymmetry was in the negativity in the region 300–500 msec (N410) which was larger in the left than the right hemisphere in every subject. These results demonstrate that in this paradigm which demands specialized language processing ERPs are sensitive to aspects of cerebral organization both within and between the two hemispheres. 相似文献
615.
616.
The purpose of the present experiment was to examine further earlier suggestions that a reduced relative frequency of knowledge of results (KR) can enhance the learning of generalized motor programs (GMPs) but at the same time degrade parameter learning, compared with giving KR after every trial (Wulf & Schmidt, 1989; Wulf, Schmidt, & Deubel, 1993). In contrast to these earlier studies, here KR was given separately for relative timing and absolute timing. Subjects practiced three movement patterns that required the same relative timing but different absolute movement times. KR was provided on 100% or 50% of the practice trials for relative timing or absolute timing, respectively. In retention and transfer tests, the groups that had had 50% KR about relative timing demonstrated more effective learning of the relative-timing structure, that is, GMP learning, than the groups that had had 100% KR about relative timing. The KR frequency had no effect on parameterization during retention; yet, when transfer to a task with a novel overall duration was required, the groups given 100% KR about absolute timing were more accurate in parameterization than the groups provided with 50% KR about absolute timing. Thus, the reduced relative KR frequency enhanced GMP learning but had no beneficial effect, or even a degrading effect, on parameter learning. The differential effects of a reduced KR frequency on the learning of relative timing and absolute timing also provide additional support for the dissociation of GMP and parameterization processes. 相似文献
617.
S. M. Bögels C. P. M. van der Vleuten G. Blok R. Kreutzkamp R. Melles H. G. Schmidt 《Journal of psychopathology and behavioral assessment》1995,17(3):217-230
A behavioral test was developed to assess the quality of diagnostic interviewing skills of (future) mental health professionals. Two aspects of diagnostic interviewing ability are distinguished: process skills, reflecting the interpersonal and communication skills; and content skills, referring to the information-gathering ability of the interviewer. It was found that diagnostic interviewing can be reliably measured with respect to interrater reliability. However, interviewer performance on one case proved to be a poor predictor of performance on other cases. It was concluded that a large number of cases is required to obtain reliable scores of general diagnostic interviewing ability. Validity was supported by the correlational analyses. Process skills were strongly related to patient satisfaction, whereas content skills were related to the amount of relevant information given by the patient and the accuracy of the diagnostic formulation and treatment plan. 相似文献
618.
John J. Schmidt 《Journal of counseling and development : JCD》1998,76(4):483-489
Throughout the past 30 years, the counseling profession has been greatly assisted in establishing its knowledge base by the Educational Resources Information Center—Counseling and Student Services (ERIC/CASS) section. During that time, Garry R. Walz has directed the efforts of ERIC/CASS and has been a leading spokesperson about research and development issues. This article is a summary of an interview with Walz in which he reflected on past efforts to establish a sound knowledge base and discussed future challenges for the counseling profession. 相似文献
619.
Although the study of feedback about goal achievement (knowledge of results, KR) has been important for the development principles of augmented information feedback in simple skills, there is reason to question the generalizability of these findings to many common learning situations. A more appropriate type of information for skill learning appears to be augmented kinematic (or kinetic) feedback regarding the movement pattern. The experiments presented here extend recent findings about KR to a paradigm involving kinematic feedback. In Experiment 1, we examined how several kinds of temporal and spatial kinematic information supplement KR in learning. Spatial kinematic variables were more effective than temporal variables, as indicated by performance in a retention test without kinematic feedback. In Experiment 2, we manipulated the schedule of augmented kinematic feedback in a method that paralleled previous KR work. We contrasted averaged schedules of augmented feedback, in which information was given either after every trial or as averaged information after every set of five trials. On retention tests without kinematic feedback given 1 day and 1 week after acquisition, averaged schedules led to enhanced performance over an every-trial format. Together, these results begin to define the variables important in kinematic feedback, and suggest that this feedback may influence learning in ways parallel to KR. 相似文献
620.
Knowledge of results (KR)--information feedback about goal achievement--has been one of the most extensively examined variables in motor learning. In most natural movement learning situations, however, instructors more common]y provide augmented information regarding various kinematic or kinetic aspects of the movement pattern itself (sometimes termed knowledge of performance, KP). But despite the inherent interest in kinematic feedback, several factors reviewed here have operated to inhibit its study, the most important of which has been the lack of a suitable laboratory task and paradigm. The limitations of earlier paradigms have concerned (a) the use of overly simple motor behaviors, probably to minimize the problems in kinematic measurement, (b) the tendency for the environmental goal or the task to be isomorphic with the kinematic pattern, and (c) thc failure to use transfer or retention tests as measures of learning effects of the feedback manipulations. In this article, we describe our efforts to create a new paradigm for kinematic feedback, the rationale for its development, and the details of its operation. Finally, we provide evidence that the task and paradigm are sensitive to manipulations of kinematic feedback, providing some assurance that the paradigm can potentially answer future research questions about the role of kinematic feedback for learning. 相似文献