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51.
Ponzo illusion has been explained by considering either just the inducing elements present in a restricted area of the visual
field, the same area in which the test elements are located, or the stimulus configuration as a whole in which even the most
distal figural elements – i.e., the external converging lines, here called “Ponzo wedge”– play a crucial role.
The two studies reported here aimed at showing that both global configurational characteristics and inducing elements locally
interacting with the test stimuli can independently affect the illusory effect. This hypothesis was tested using stimuli in
which graphic-inducing elements giving rise to a herringbone pattern (Coren & Girgus, 1978) were drawn in the same area of
the test segments.
Results of Exp. 1 confirmed the effect of the two factors. In particular, both factors proved to determine the illusion, since
they induced illusory effects either in isolation or in the same/opposite direction. In Exp. 2 the relative weight of these
two factors was evaluated in relation to the width of the angle of the inducing elements and to the distance of the test segments
from the vertex. Results showed no linear relationships between the distance of the test segments from the external inducing
elements and the weight of the Ponzo wedge factor.
Received: 25 June 1996 / Accepted: 1 October 1997 相似文献
52.
53.
Giuliana Mazzoni Cesare Cornoldi Lucia Tomat Tomaso Vecchi 《Applied cognitive psychology》1997,11(3):253-267
Three experiments examined the influence on memory monitoring and memory control of typicality and frequency of purchase of grocery items. On the basis of normative data, food items were divided into three categories: T+F+ (items typically bought in an Italian food store, and of frequent purchase for university students), T+F− (items typical but not frequently purchased) and T−F− (items low in both characteristics). Experiment 1 revealed that despite an equal recall of the three categories of items, ease of learning judgments were significantly lower for T−F− items. In Experiments 2 and 3, T−F− items were also treated differently than the two other types, when subjects had to decide which items to select for an additional check, and when they had to apportion their study time. Overall, data show that biases independent of the memory state of an item can influence memory monitoring. In addition, the same biases appear to influence the cognitive behaviour, suggesting that monitoring can have an impact on subsequent cognitive behaviour independent of the memorization processes. © 1997 by John Wiley & Sons, Ltd. 相似文献
54.
Cornoldi C Bassani C Berto R Mammarella N 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2007,14(1):1-21
This study investigated the active component of visuo-spatial working memory (VSWM) in younger and older adults testing the hypotheses that elderly individuals have a poorer performance than younger ones and that errors in active VSWM tasks depend, at least partially, on difficulties in avoiding intrusions (i.e., avoiding already activated information). In two experiments, participants were presented with sequences of matrices on which three positions were pointed out sequentially: their task was to process all the positions but indicate only the final position of each sequence. Results showed a poorer performance in the elderly compared to the younger group and a higher number of intrusion (errors due to activated but irrelevant positions) rather than invention (errors consisting of pointing out a position never indicated by the experiementer) errors. The number of errors increased when a concurrent task was introduced (Experiment 1) and it was affected by different patterns of matrices (Experiment 2). In general, results show that elderly people have an impaired VSWM and produce a large number of errors due to inhibition failures. However, both the younger and the older adults' visuo-spatial working memory was affected by the presence of activated irrelevant information, the reduction of the available resources, and task constraints. 相似文献
55.
Yolanda Andreu María José Galdón Estrella Durá Sandra Pérez Sergio Murgui 《Psychology & health》2013,28(1):72-87
This longitudinal study was conducted among 102 women with non-metastasic breast cancer to identify the time evolution and prevalence of distress at specific times through diagnosis and treatment of disease: preliminary diagnosis, surgery, definitive diagnosis and chemotherapy. Additionally, the study aimed to examine the role of demographic, medical and psychosocial factors on distress. The results indicated that prevalence of distress was higher at initial diagnosis (25%) than the following time points (approximately 17%). The differences inter-individuals in the levels of distress were observed over the four assessments. No relation between distress and demographic and medical factors was found. However, psychosocial aspects were significant risk factors. Patterns of emotional suppression and specific coping responses like helplessness/hopelessness, anxious preoccupation, cognitive avoidance and fatalism were positively related to distress, whereas fighting spirit and perceived social support showed a protective role. Moreover, helplessness/hopelessness and anxious preoccupation jointly predicted 75% of cases and 98% non-cases of distress. Finally, a mediational model between emotional suppression and distress through helplessness/hopelessness was tested. Results support the necessity of routine distress screening all through the illness. Implications of data for psychosocial interventions with breast cancer patients are highlighted. 相似文献
56.
In this paper we discuss the problem of the neural conditions of shared attitudes and intentions: which neural mechanisms underlie "we-mode" processes or serve as precursors to such processes? Neurophysiological and neuropsychological evidence suggests that in different areas of the brain neural representations are shared by several individuals. This situation, on the one hand, creates a potential problem for correct attribution. On the other hand, it may provide the conditions for shared attitudes and intentions. 相似文献
57.
Sergio Cesare Masin 《Psychological research》1995,58(1):10-18
Comparative judgements of successive stimuli involve constant errors. Here, two theories of these errors are considered. For the wave theory of discrimination, constant errors directly originate from discrimination operations. For the inferential theory, the same errors are due to probabilistic inferences drawn after discrimination. Previous studies suggest that the second of two successively compared stimuli has more influence on the comparative response. The results of the present experiment, in which successive lines as comparison stimuli were used, confirm this suggestion. The wave theory does not explain these results, while the inferential theory explains them in terms of probabilistic inferences. Analysis of response frequencies and response times indicates that there was a response bias in favour of the longer response. Interfering lines appearing before the first comparison line significantly affected response frequency, response time, and discriminability, whereas interpolated lines significantly affected only response frequency and response time. The inferential theory does not explain these effects on response time, while the wave theory explains them as due to modifications of response bias. These results suggest the possibility that the two theories describe independent sources of constant errors. 相似文献
58.
Neural substrates of the ‘low‐level’ system for speech articulation: Evidence from primary opercular syndrome 下载免费PDF全文
Maria Caterina Silveri Francesco Incordino Rita Lo Monaco Alessandra Bizzarro Carlo Masullo Francesca Piludu Cesare Colosimo 《Journal of Neuropsychology》2017,11(3):450-457
We describe a patient with progressive disorder of speech, without language impairment (opercular syndrome). Morphometric analysis confirmed asymmetric volume reduction of the precentral areas (>left). Diffusion imaging showed significant white matter changes in the left frontal lobe, with specific involvement of the left corticobulbar tract and connections between supplementary/pre‐supplementary motor areas and the frontal operculum (frontal aslant tract). We suggest that the organization of expressive language includes a ‘low level’ motor system principally distributed in the left hemisphere that shows specific susceptibility to neurodegeneration, distinct from neural systems subtending praxic, and cognitive aspects of language. 相似文献
59.
Topoi - The problem I address is: how are cogent inferences possible? In § 1 I distinguish three senses in which we say that one is “compelled” by an inference: automatic,... 相似文献
60.
Agnese Capodieci Alice Serafini Alice Dessuki Cesare Cornoldi 《Child neuropsychology》2019,25(1):103-121
The writing abilities of children with ADHD symptoms were examined in a simple dictation task, and then in two conditions with concurrent verbal or visuospatial working memory (WM) loads. The children with ADHD symptoms generally made more spelling mistakes than controls, and the concurrent loads impaired their performance, but with partly different effects. The concurrent verbal WM task prompted an increase in the phonological errors, while the concurrent visuospatial WM task prompted more non-phonological errors, matching the Italian phonology, but not the Italian orthography. In the ADHD group, the children proving better able to cope with a concurrent verbal WM load had a better spelling performance too. The ADHD and control groups had a similar handwriting speed, but the former group’s writing quality was poorer. Our results suggest that WM supports writing skills, and that children with ADHD symptoms have general writing difficulties, but strength in coping with concurrent verbal information may support their spelling performance. 相似文献