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31.
32.
Daniele Rugo 《Continental Philosophy Review》2015,48(3):391-396
33.
Joaquim A. Ferreira Matthias Reitzle Bora Lee Raquel A. Freitas Eduardo R. Santos Luís Alcoforado Fred W. Vondracek 《Journal of Vocational Behavior》2015
This study examined how four different configurations of unemployment and reemployment (defined by history of past unemployment and unemployment/reemployment 3 years later) related to changes in psychological well-being. The longitudinal sample consisted of 566 Portuguese men and women who were unemployed at the beginning of the study. Using true change score models, we found that individuals who reported a long period of unemployment at T1 but were reemployed at T2 showed meaningful gains in positive affect and life satisfaction compared to those who had a shorter history of unemployment and were reemployed. An examination of gender differences revealed that the women who were reemployed after a long history of unemployment showed the greatest relative gains in positive affect. We conclude by noting limitations of this research and suggesting future research to address these limitations. 相似文献
34.
Vision begins with the processing of unbound visual features, which must eventually be bound together into object representations. Such feature binding is required for coherent visual perception, and accordingly has received a considerable amount of study in several domains. Neurophysiological work, often in monkeys, has revealed the details of how and where feature binding occurs in the brain, but methodological limitations have not allowed this research to elucidate just how feature binding operates spontaneously in real-world situations. In contrast, behavioral work with human infants has demonstrated how we use simpler unbound features to individuate and identify objects over time and occlusion in many types of events, but this work has not typically been able to isolate the role of feature binding in such processing. Here we provide a method for assessing the spontaneity and fidelity of feature binding in non-human primates, as this process is utilized in real-world situations, including simple foraging behaviors. Using both looking-time and manual-search measures in a natural environment, we show that free-ranging rhesus macaques (Macaca mulatta) spontaneously bind features in order to individuate objects across time and occlusion in dynamic events. This pattern of results demonstrates that feature binding is used in subtle ways to guide ecologically relevant behavior in a non-human animal, spontaneously and reliably, in its natural environment. 相似文献
35.
We studied the development of creative cognition in children ranging from nursery school to Grade 6 (4–12 yr old, N = 511), performing a problem generation task. The task involved inventing a novel item for a classical problem solving task they had completed beforehand: the Raven Progressive Matrices (RPM). This task and the generating task both comprise matrixes of components, to which a set of transformational relations are applied; only in the first case these are inferred to solve a puzzle, but in the second they are invented to create one. We analyzed the matrixes invented in the generation task and compared them to those of the original solving task. We observed that (a) both in solving and generation, the ability to combine more than 1 relation increased with grade level, (b) within all 8 grades, except Grades 3 and 6, performance was uncorrelated between both tasks, (c) relations that were applied in the generation task often did feature in the solving task, and (d) relations occurring in both tasks were applied with different frequencies. Overall, we conclude that standard problem solving ability is not a precondition for creative reasoning and that the comprehension of relations between components featured in solving task differs from that applied in generation. 相似文献
36.
Cristiano De Marchis Maurizio Schmid Daniele Bibbo Ivan Bernabucci Silvia Conforto 《Human movement science》2013
The aim of this study was to investigate the muscle coordination underlying pedaling in untrained subjects by using the muscle synergies paradigm, and to connect it with the inter-individual variability of EMG patterns and applied forces. Nine subjects performed a pedaling exercise on a cycle-simulator. Applied forces were recorded by means of instrumented pedals able to measure two force components. EMG signals were recorded from eight muscles of the dominant leg, and Nonnegative Matrix Factorization was applied to extract muscle synergy vectors W and time-varying activation coefficients H. Inter-individual variability was assessed for EMG patterns, force profiles, and H. Four modules were sufficient to reconstruct the muscle activation repertoire for all the subjects (variance accounted for >90% for each muscle). These modules were found to be highly similar between subjects in terms of W (mean r = .89), while most of the variability in force profiles and EMG patterns was reflected, in the muscle synergy structure, in the variability of H. These four modules have a functional interpretation when related to force distribution along the pedaling cycle, and the structure of W is shared with that present in human walking, suggesting the existence of a modular motor control in humans. 相似文献
37.
It has been hypothesized that a local processing bias underlies overall visuospatial impairments in Williams syndrome (WS). However, recent studies have challenged this hypothesis by providing evidence against a local processing bias at the perceptual level. The aim of the present study was to further examine drawing and perceptual skills in children with WS using closely matched-hierarchical stimuli. In the drawing task children with WS exhibited a local processing bias. However, no significant preferential bias was found in the perceptual task. This indicates that children with WS do not systematically present a preferential bias for local information. Taken together the findings of the present study suggest that perceptual processing deficits per se are unlikely to explain local processing biases in visuoconstructive tasks often described in people with WS. 相似文献
38.
Saskia G. M. van Mil Rianne P. Reijs Mariette H. J. A. van Hall Albert P. Aldenkamp 《Child neuropsychology》2013,19(4):291-292
Up to one third of the epilepsy population consists of children with cryptogenic localization related epilepsy (CLRE). Unfortunately, the effect of CLRE on the development is still unclear. Behavioral and academic problems have been reported, but no conclusive study concerning the impact of CLRE on neuropsychological functioning is yet published. This study was a systematic cross-sectional open clinical and nonrandomized investigation, which included 68 children with CLRE. Several neuropsychological tests were analyzed and age-related normative values were used as reference. Differences between CLRE and reference values were tested with Paired-Samples t-tests. Z scores were computed to compare the different neuropsychological tests and to inspect whether a characteristic neuropsychological profile exists for CLRE. The Independent-Samples t-test was used to explore which epilepsy factors (seizure type, seizure frequency, age at onset, duration of epilepsy, and drug load) were influencing the cognitive profile of CLRE. There seems to be a characteristic cognitive profile for children with CLRE; children with CLRE experience cognitive difficulties on a wide range of areas—in particular, alertness, mental speed, and memory. Seizure type, seizure frequency, duration of epilepsy, and drug load do not influence this neuropsychological profile. Age at onset was an important risk factor; the earlier the age at onset, the worse the cognitive performance. In spite of the influence of age at onset, the revealed profile can be seen as a stable, independent of temporary factors, neuropsychological profile for children with CLRE. 相似文献
39.
Vincenzo Cestari Daniele Saraulli Pietro Spataro Alessandro Lega Antonio Sciarretta Valéria Rezende Marques Clelia Rossi-Arnaud 《Acta psychologica》2013,144(3):594-603
The present study investigated the use of perceptual binding processes in schizophrenic (SC) patients and matched healthy controls, by examining their performance on the recall of symmetrical (vertical, horizontal and diagonal) and asymmetrical patterns varying in length between 2 and 9 items. The results showed that, although SC patients were less accurate than controls in all conditions, both groups recalled symmetrical patterns better than asymmetrical ones. The impairment of SC patients was magnified with supra-span symmetrical arrays, and they were more likely to reproduce symmetrical patterns as asymmetrical, particularly at medium and high length levels. Hierarchical regression analyses further indicated that the between-group differences in the recall of supra-span vertical and horizontal arrays, which require a greater involvement of visual pattern processes, remained significant after removing the variance associated with performance on asymmetrical patterns, which primarily reflects intrafigural spatial processes. It is proposed that schizophrenia may be associated with a specific deficit in the formation and retrieval of the global visual images of studied patterns and in the use of the on-line information about the type of symmetry being tested to guide retrieval processes. 相似文献
40.
Through a detailed review of the service quality and (dis)satisfaction literatures, this paper presents a theoretical model exploring the interrelationship between expectations, affective post‐purchase states and affective behaviour. Drawing together a comprehensive hierarchy of expectations culled from the service quality literature, the authors seek to apply levels of expectation to specific post‐purchase affective states and affective behaviour. The authors argue that consumers have two types of expectation that influence post‐purchase affective states: the core or predictive ‘will be’ expectation; and peripheral expectations—that can range from the ideal standard to the minimum tolerable level. By applying the levels‐of‐expectation approach to the expectation‐disconfirmation paradigm, the authors argue that there are four types of post‐purchase affective states: delight, satisfaction (or positive indifference), acceptance (or negative indifference) and dissatisfaction. These four states may lead onto affective action—ie varying degrees of complaining or complimenting behaviour. The paper presents 11 propositions relating to expectations and their interrelationship with post‐purchase affective states and subsequent consumer behaviour, with the aim of stimulating further scholarly enquiry. The managerial implications of the analysis are also considered. Copyright © 2003 Henry Stewart Publications. 相似文献