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排序方式: 共有133条查询结果,搜索用时 15 毫秒
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Grossi D Santangelo G Carbone G Giordano F Angelillo VG Trojano L 《Behavioural neurology》2011,24(3):257-262
We describe a patient with right hemisphere damage affected by mild left visuo-spatial neglect and constructional apraxia. During the rehabilitation, he failed to draw a draught-board using horizontal and vertical trajectories, but he performed it successfully using oblique trajectories. These observations suggested an impairment of vertical/horizontal spatial coordinates system. In copying tasks including figure elements in different orientations he drew more accurately components in oblique orientation, whereas failed to reproduce components in horizontal orientation. The patient performed visuospatial perceptual and perceptual-imaginative tasks successfully. From these findings, it is possible to suggest that the oblique coordinate system of reference operates independently of vertical and horizontal coordinate systems in building a complex figure and that, therefore, cardinal orientation do not constitute a reference norm to define oblique orientation, as previously suggested. 相似文献
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The authors investigated how people remember real-life traumatic events. Adult residents (N = 145) of an Italian community that was flooded in fall of 2000 completed a questionnaire 3 years after the flood. Respondents briefly recounted their personal experiences with the flood and answered questions about emotional reactions to the flood, appraisal processes, and disaster exposure. Results showed that participants tended to recall experiences that occurred during the most critical phases of the disaster. The emotions most strongly experienced by respondents-sadness, fear, and surprise-were associated with specific appraisals. Content and amount of memories about flood experiences did not significantly vary as a function of flood exposure. Moreover, there was no significant relationship between memory quantity and emotional intensity. The authors discuss findings in the context of literature on traumatic memory and emotion. 相似文献
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This series of experiments examined zero-delay matching-to-sample performance in pigeons with element and compound sample stimuli. In Experiment 1, compound sample stimuli were consistently followed by compound comparison stimuli and matching accuracy during testing was equivalent to element sample-element comparison trials on the color dimension. In Experiment 2, element comparisons suddenly introduced following compound samples produced a decrement on the line dimension only. Subsequent testing at various sample durations revealed higher matching accuracy following element samples than following compound samples on both the color and line-tilt dimensions. Experiment 3 replicated the results of Experiments 1 and 2 and also demonstrated that the superiority of element over compound matching performance remains constant over the sample durations tested. In Experiment 4 testing at sample durations up to 30 sec produced an overall decrement in matching performance, but again the element vs compound matching difference remained constant. The stimulus-generalization decrement hypothesis provided a better explanation of these results than either the information-overload hypothesis or the rule hypothesis. 相似文献
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Jurka R. Meichtry Dario Cazzoli Silvia Chaves Sebastian von Arx Tobias Pflugshaupt Roger Kalla Claudio L. Bassetti Klemens Gutbrod René M. Müri 《Journal of Neuropsychology》2018,12(2):271-290
Goodale and Milner's two visual system hypothesis is an influential model for the understanding of the primate visual system. Lesions of either the ventral (occipito‐temporal) or the dorsal (occipito‐parietal) stream produce distinct and dissociated syndromes in humans: visual agnosia is typical for ventral damage, whereas optic ataxia (OA) for dorsal damage. We studied the case of a 59‐year‐old left‐handed woman with a circumscribed lesion around the left posterior occipital sulcus, extending to the underlying white matter. Initially, she presented with a central visual field OA, which regressed to an OA to the right visual hemifield during the 3 months observation period. In addition, tachistoscopic experiments showed visual hemiagnosia to the right visual hemifield. In line with the findings of the neuropsychological experiments, the analysis of the structural MR data by means of a trackwise hodologic probabilistic approach revealed damage to the left superior longitudinal fasciculus and to the left inferior longitudinal fasciculus, indicating an impairment of both the dorsal and the ventral stream. The combination of OA and visual hemiagnosia in the same patient has never been previously described. The present case study thus provides further insights for the understanding of visual processing. 相似文献
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G Grossi T Theorell M Jürisoo S Setterlind 《Integrative Physiological and Behavioral Science》1999,34(1):30-42
The study examined psychosocial work-conditions and physiological reactions among thirty-six police inspectors (median age 45 years, 81% males) who participated in a reorganization. At this time, subjects were threatened by unemployment and had to re-apply for their positions in a new police district. Data were collected during the reorganization and at three years follow-up, by means of questionnaires (Stress Profile) and blood samples. The blood samples were used to determine serum levels of gamma-glutamyltransferase (GGT), glucose, lipids, prolactin, testosterone and cortisol. The results show a positive association between worry about employment and symptoms of burnout during the reorganization. Mean scores for the Stress Profile sub-scales worry about employment (p<.01) and work-load (p<.05) decreased between measurements, but an impairment in relationships with management was noticed (p<.05). No significant changes were observed in terms of self-rated health complaints. Significant decreases in total cholesterol (p<.0001), LDL-cholesterol (p<.0001), LDL/HDL-ratio (p<.01), prolactin (p<.0001), as well as increases in testosterone (p<.01) and cortisol (p<.001) were observed for the whole sample. Glucose decreased with marginal significance (<.07). Controlling for age and gender, multivariate regression analyses showed that subjects who reported deteriorations in satisfaction with work manifested the most modest decreases in prolactin (p<.05). Also, the decrease in glucose was larger for subjects who experienced impairments in satisfaction with work (p<.05), information (p<.05), task-oriented leadership, (p<.05), and respect and dignity (p<.05). Subjects who perceived deteriorations in the ethical and moral standards of the organization increased their cortisol level to a lower degree than their counterparts (p<.05). Favorable changes in employment status and psychosocial work environment seem to be related to improved physiological functioning. 相似文献
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Sandra A. Trask-Tyler M.A. Teresa A. Grossi Ph.D. William L. Heward Ed.D. 《Journal of Behavioral Education》1994,4(3):283-311
Three young adults with developmental disabilities and visual impairments were taught to prepare three different recipes using tape-recorded instructions. Following instruction on each trained recipe, generality probes to untrained recipes were conducted. A multiple baseline across behaviors (recipes) design was used to determine the extent to which each student's preparation of untrained recipes improved as a function of being trained to prepare related recipes by using a self-operated audio prompting system. Results showed that students' cooking skills acquired through instruction on the trained recipes generalized (a) to untrained recipes requiring similar skills (simple generality) and (b) to more complex untrained recipes requiring a combination of skills learned during the instruction of two trained recipes (complex generality). 相似文献