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51.
Sanguineti V Morasso PG Baratto L Brichetto G Luigi Mancardi G Solaro C 《Human movement science》2003,22(2):189-205
To assess neuromotor disorders clinicians often rely on rating scales. Unfortunately, these scales lack the sensitivity and accuracy needed to detect the small changes in motor coordination that reflect the clinical progression of the disease on the basis of which treatment programmes can be adjusted. As a contribution to this topic, the present paper proposes a straightforward kinematic and kinetic analysis of reaching movements of patients with cerebellar ataxia in conjunction with a cybernetic interpretation of the data. The aim of the approach is to capture key deficits in the underlying motor control processes. We suggest that cerebellar ataxia may be characterized by defective feedforward control. 相似文献
52.
John W. Murphy Luigi Esposito Charles F. Longino Jr. 《Journal of Aging and Identity》1999,4(4):223-229
Though multiculturalists focus on race and minority status, issues of central importance to the aged, multiculturalism has not infiltrated the gerontology literature. However, since the so-called natural stages of life are cultural formations, each one a valuable creation, the topic of aging would certainly benefit from a connection to multiculturalism and its critique of the demands of assimilation. 相似文献
53.
In this study an attempt was made to extend the notion of disembedding from the perceptual to the verbal semantic domain. Fifty-two undergraduates were presented with the Group Embedded Figure Test (GEFT) and with seven verbal tasks. A Factor analysis made on test scores, as well as other factors, evidenced a factor that linked to gether the GEFT and one of the verbal tasks (Word groups). It is argued that both tasks require the restructuring of an organized context according to new given rules, and that disembedding is a mental operation which applies to both verbal and perceptual domains. 相似文献
54.
Grossi D Postiglione A Schettini B Trojano L Barbarulo AM Giugliano V Ambron E Aiello A 《Perceptual and motor skills》2007,104(2):621-628
Subjective memory complaint is a self-reported memory impairment which affects elderly people. This problem does not interfere with daily living activities but could decrease quality of life. This study's purpose was to verify whether a specific, newly developed, autobiographical recall training could modify self-perception of memory of subjects with subjective memory complaint. Seven elderly subjects (4 women and 3 men; mean age 65.5 yr., SD=11) with such complaint, evidenced through a specific questionnaire, attended the training course and were prospectively assessed on standard neuropsychological tests, depressive symptomatology, and self-perception of memory. Self-perception of memory, as assessed by scores on a formalized questionnaire, improved significantly after the training, while depressive symptoms did not change. Neuropsychological performances were normal before and after the training, but a statistically significant improvement was observed only on the phonological fluency test. Thus the present pilot study suggested that the training may be effective in improving self-perception of memory and metamnestic capacity in elderly people with subjective memory complaints but not in changing subjects' depressive symptoms. This requires replication of this work with a much larger sample so statistical power is adequate. 相似文献
55.
Luigi Burigana Francesco Martino Michele Vicovaro 《The British journal of mathematical and statistical psychology》2014,67(2):328-352
Given a set of points on the plane and an assignment of values to them, an optimal linear partition is a division of the set into two subsets which are separated by a straight line and maximally contrast with each other in the values assigned to their points. We present a method for inspecting and rating all linear partitions of a finite set, and a package of three functions in the R language for executing the computations. One function is for finding the optimal linear partitions and corresponding separating lines, another for graphically representing the results, and a third for testing how well the data comply with the linear separability condition. We illustrate the method on possible data from a psychophysical experiment (concerning the size–weight illusion) and compare its performance with that of linear discriminant analysis and multiple logistic regression, adapted to dividing linearly a set of points on the plane. 相似文献
56.
Luigi Secchi 《Synthese》2014,191(3):287-295
Probabilism, the view that agents have numerical degrees of beliefs that conform to the axioms of probability, has been defended by the vast majority of its proponents by way of either of two arguments, the Dutch Book Argument and the Representation Theorems Argument. In this paper I argue that both arguments are flawed. The Dutch Book Argument is based on an unwarranted, ad hoc premise that cannot be dispensed with. The Representation Theorems Argument hinges on an invalid implication. 相似文献
57.
58.
Visual modules can be viewed as expressions of a marked analytic attitude in the study of vision. In vision psychology, this attitude is accompanied by hypotheses that characterize how visual modules are thought to operate in perceptual processes. Our thesis here is that there are what we call “intrinsic reasons” for the presence of such hypotheses in a vision theory, that is, reasons of a deductive kind, which are imposed by the partiality of the basic terms (input and output) in the definition of a module, and by peculiar characteristics of those terms. Specifically, we discuss three hypotheses of functional attributes: successive stages in the action of modules, residual indeterminacy of their effects, and the role of prior constraints. For each of the three, we indicate its occurrence in perceptual psychology, explain corresponding intrinsic reasons, and illustrate such reasons with examples. 相似文献
59.
Xinyuan Zhang Mario Dalmaso Luigi Castelli Alberto Fiorese Yonglong Lan Bo Sun Shimin Fu Giovanni Galfano 《British journal of psychology (London, England : 1953)》2021,112(3):741-762
The gaze-cueing effect is a robust phenomenon which illustrates how attention can be shaped by social factors. In four experiments, the present study explored the interaction between the ethnic membership of the participant and that of the face providing the gaze cue. Firstly, we aimed to further investigate the differential impact of White, Black, and Asian faces on the gaze-cueing effect in White individuals. Secondly, we aimed to explore, for the first time, the impact of faces belonging to different ethnicities on gaze cueing in Chinese participants. The results allowed to rule out alternative accounts and showed that White participants exhibit a gaze-cueing effect for White and Asian faces, but not for Black faces, consistent with previous studies. As regards Chinese participants, the overall findings suggested a stronger gaze-cueing effect for White faces than for Asian faces. The results are discussed with reference to differences in the perceived social status of the various groups, pointing to the need of taking into account different cultural contexts. 相似文献
60.
Luigi Pellizzoni 《Nanoethics》2012,6(3):257-272
Two features characterize new and emerging technosciences. The first one is the production of peculiar ontologies. The human agent is confronted with a biophysical world the contingent, indeterminate character of which does not hamper but expands the scope of purposeful action. Uncertainty is increasingly regarded as a resource for an expanding will rather than a drawback for a disoriented agent. The second feature is that ethics is increasingly considered as the core regulatory means of this messy, ever-changing world. The ambivalences of the ethical government of contingent assemblages are discussed by focusing on the governmentality perspective. The latter helps to make sense of the regulatory alliance between ethics and technoscience. A reflection on Foucault’s account of ethics shows that the emancipatory role of the latter is today hampered by its embroilment with the instrumental reason it aims to govern, nor can older models of ethical commitment find any straightforward application. Mapping the issue in terms of mutual constitution of power, potentiality and possibility gives salience to a particular question: what we are able not to do. 相似文献