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101.
Cognitive processes are often attributed to statistical or symbolic general-purpose mechanisms. Here we show that some spontaneous generalizations are driven by specialized, highly constrained symbolic operations. We explore how two types of artificial grammars are acquired, one based on repetitions and the other on characteristic relations between tones ("ordinal" grammars). Whereas participants readily acquire repetition-based grammars, displaying early electrophysiological responses to grammar violations, they perform poorly with ordinal grammars, displaying no such electrophysiological responses. This outcome is problematic for both general symbolic and statistical models, which predict that both types of grammars should be processed equally easily. This suggests that some simple grammars are acquired using perceptual primitives rather than general-purpose mechanisms; such primitives may be elements of a "toolbox" of specialized computational heuristics, which may ultimately allow constructing a psychological theory of symbol manipulation. 相似文献
102.
ter Kuile MM van Lankveld JJ de Groot E Melles R Neffs J Zandbergen M 《Behaviour research and therapy》2007,45(2):359-373
Cognitive-behavioral therapy (CBT) seems an effective treatment of lifelong vaginismus, but mechanisms of action have not yet been established. The present study explored whether the effect of CBT for lifelong vaginismus is mediated by changes in fear of penetration and avoidance behavior, which CBT explicitly aims to alter. A second aim of this study was to predict treatment outcome on the basis of pre-treatment variables. Participants with lifelong vaginismus were allocated at random to a 3-months CBT (n=81) or a waiting-list control condition (n=36). Full vaginal penetration with the penis of the partner constituted the primary outcome measure. Change scores in successful 'non-coital penetrative-behavior' and 'fear of coitus' were used to measure the mediating variables. Treatment resulted in an increase of intercourse (outcome), a decrease in fear of coitus, and an enhancement of successful non-coital penetration behavior, compared with no treatment. Outcome (intercourse) was partly mediated by changes in fear of coitus and changes in avoidance behavior. No treatment predictors could be detected in this study sample. It is concluded that techniques such as gradual exposure, aimed at decreasing avoidance behavior and penetration fear, constitute an important avenue of change in the treatment of lifelong vaginismus. 相似文献
103.
Theodore R. Bashore Jr. Scott A. Wylie K. Richard Ridderinkhof Jacques M. Martinerie 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2014,21(6):633-673
Older age produces numerous changes in cognitive processes, including slowing in the rate of mental processing speed. There has been controversy over the past three decades about whether this slowing is generalized or process-specific. A growing literature indicates that it is process-specific and suggests it is most dramatic at the interface where a stimulus input is translated into a response output. We tested this hypothesis using a task in which young and older adult males made either compatible or incompatible responses to the word LEFT or RIGHT shown briefly and variously located in a 4 row × 6 column matrix surrounded by # signs or by letters chosen randomly from the sets A-G or A-Z. Processing speed was measured using P300 latency and reaction time. Experimental effects on these two measures provided support for the hypothesis in revealing that stimulus identification processes were preserved, whereas processes related to translating a stimulus input into a designated response output and then selecting that response were compromised in the elderly. 相似文献
104.
Philippe Dubreuil Jacques Forest François Courcy 《The journal of positive psychology》2014,9(4):335-349
Research has shown that strengths use and development can foster individual performance and well-being at work. However, to date little is known about the underlying psychological processes that might be operating in this relation. The purpose of this study was first to confirm the strengths use to work performance association and, second, to assess theoretical models of strengths use by testing a path model from strengths use to work performance, through harmonious passion, subjective vitality, and concentration. This study was conducted on a sample of 404 French-speaking Canadian workers and structural equation modeling analyses were performed in order to test the proposed model. Results show an association between strengths use and work performance. Further, this relation is completely mediated by the proposed variables. Theoretical and applied implications are discussed. 相似文献
105.
106.
Cherblanc Jacques Bergeron-Leclerc Christiane Maltais Danielle Cadell Susan Gauthier Geneviève Labra Oscar Ouellet-Plamondon Claudiane 《Journal of religion and health》2021,60(3):1475-1493
Journal of Religion and Health - COVID-19 has led to the implementation of various social and sanitary measures, impacting populations’ quality of life. Aims: Documenting the spiritual... 相似文献
107.
Sturge-Apple Melissa L. Jacques Debrielle T. Davies Patrick T. Cicchetti Dante 《Journal of child and family studies》2022,31(9):2319-2330
Journal of Child and Family Studies - The goal of the present study was to examine associations between maternal use of power assertive parenting across different discipline contexts and... 相似文献
108.
109.
Droulez J 《Trends in cognitive sciences》2002,6(11):490-491
110.
There are currently multiple explanations for mathematical learning disabilities (MLD). The present study focused on those assuming that MLD are due to a basic numerical deficit affecting the ability to represent and to manipulate number magnitude ( Butterworth, 1999 , 2005 ; A. J. Wilson & Dehaene, 2007 ) and/or to access that number magnitude representation from numerical symbols ( Rousselle & No?l, 2007 ). The present study provides an original contribution to this issue by testing MLD children (carefully selected on the basis of preserved abilities in other domains) on numerical estimation tasks with contrasting symbolic (Arabic numerals) and nonsymbolic (collection of dots) numbers used as input or output. MLD children performed consistently less accurately than control children on all the estimation tasks. However, MLD children were even weaker when the task involved the mapping between symbolic and nonsymbolic numbers than when the task required a mapping between two nonsymbolic numerical formats. Moreover, in the estimation of nonsymbolic numerosities, MLD children relied more than control children on perceptual cues such as the cumulative area of the dots. Finally, the task requiring a mapping from a nonsymbolic format to a symbolic format was the best predictor of MLD. In order to explain these present results, as well as those reported in the literature, we propose that the impoverished number magnitude representation of MLD children may arise from an initial mapping deficit between number symbols and that magnitude representation. 相似文献