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排序方式: 共有148条查询结果,搜索用时 15 毫秒
21.
Wouter F. van Ginneken Jamie M. Poolton Catherine M. Capio John van der Kamp Cynthia S. Y. Choi Richard S. W. Masters 《Journal of motor behavior》2018,50(4):436-456
This study investigated whether conscious control is associated with freezing of mechanical degrees of freedom during motor learning. Participants practiced a throwing task using either error-strewn or error-reduced practice protocols, which encourage high or low levels of conscious control, respectively. After 24 hr, participants engaged in a series of delayed retention and transfer tests. Furthermore, propensity for conscious control was assessed using participants' ratings and freezing was gauged through movement variability of the throwing arm. Performance was defined by mean radial error. In the error-strewn group, propensity for conscious control was positively associated with both freezing and performance. In the error-reduced group, propensity for conscious control was negatively associated with performance, but not with freezing. These results suggest that conscious control is associated with freezing of mechanical degrees of freedom during motor learning. 相似文献
22.
Astrid M.L. Kappers Wouter M. Bergmann Tiest 《Wiley Interdisciplinary Reviews: Cognitive Science》2013,4(4):357-374
Fueled by novel applications, interest in haptic perception is growing. This paper provides an overview of the state of the art of a number of important aspects of haptic perception. By means of touch we can not only perceive quite different material properties, such as roughness, compliance, friction, coldness and slipperiness, but we can also perceive spatial properties, such as shape, curvature, size and orientation. Moreover, the number of objects we have in our hand can be determined, either by counting or subitizing. All these aspects will be presented and discussed in this paper. Although our intuition tells us that touch provides us with veridical information about our environment, the existence of prominent haptic illusions will show otherwise. Knowledge about haptic perception is interesting from a fundamental viewpoint, but it also is of eminent importance in the technological development of haptic devices. At the end of this paper, a few recent applications will be presented. WIREs Cogn Sci 2013, 4:357–374. DOI: 10.1002/wcs.1238 This article is categorized under:
- Psychology > Perception and Psychophysics
23.
Huinck WJ Langevin M Kully D Graamans K Peters HF Hulstijn W 《Journal of Fluency Disorders》2006,31(1):43-63; quiz 58-60
A procedure for subtyping individuals who stutter and its relationship to treatment outcome is explored. Twenty-five adult participants of the Comprehensive Stuttering Program (CSP) were classified according to: (1) stuttering severity and (2) severity of negative emotions and cognitions associated with their speech problem. Speech characteristics (percentage of stuttered syllables, distorted speech score, and the number of correctly produced syllables on a diadochokinesis task) and emotional/cognitive states (emotional reaction, speech satisfaction, and attitudes toward speaking) were assessed before and after treatment, and at a 1- and 2-year follow-up. The results showed that: (a) there was no relationship between stuttering severity and the severity of negative emotions and cognitions, (b) the severe stuttering group had the largest treatment gains but also the highest level of regression, and (c) at post-treatment and both follow-up assessments the differences on measures of emotions between the mild and severe emotional group had disappeared, chiefly due to a large decrease in the latter group's negative emotions and cognitions. Our findings show that, based on treatment gains, specific subgroups can be identified, each requiring different treatment approaches. This underlines the necessity of developing a better understanding of how various dimensions of stuttering relate to treatment outcome. Educational objectives: The reader will be able to: (1) describe why stuttering severity and negative emotions and cognitions that are related to stuttering should be investigated separately and (2) describe how treatment outcome relates to subtypes of persons who stutter. 相似文献
24.
Wouter van Haaften 《New Ideas in Psychology》2003,21(3):221-246
In this article I show how we can give a formal representation and analysis of evolutions in artistic style, using the work of the painter Mondrian as an example. Capitalising on the idea that radical change in thought implies related changes in judgement criteria, we can in a “logic of development” specify the relations within, and between, those different sets of artistic judgement criteria that are considered typical of successive stages in artistic development. I discuss some of the problems involved in dealing with post-conventional thinking and judgement. Then I propose five major steps in Mondrian's artistic quest, showing how it is different—and how different it is—from other kinds of (e.g. moral or aesthetic) judgement development. Whereas many kinds of conceptual development lead to (various types of) criterion expansion, this form of entirely postconventional development goes in the opposite direction of a most stringent criterion reduction. 相似文献
25.
Studies in Philosophy and Education - We elaborate on Israel Scheffler's claim that principles of rationality can be rationally evaluated, focusing on foundational development, by which we mean... 相似文献
26.
This very brief report introduces a psychometric function, very suitable for psychophysical data that displays Weber-like behaviour, because it is antisymmetric on a logarithmic scale. 相似文献
27.
Elise D. Kortink Wouter D. Weeda Michael J. Crowley Bregtje Gunther Moor Melle J. W. van der Molen 《Cognitive, affective & behavioral neuroscience》2018,18(3):581-595
Monitoring social threat is essential for maintaining healthy social relationships, and recent studies suggest a neural alarm system that governs our response to social rejection. Frontal-midline theta (4–8 Hz) oscillatory power might act as a neural correlate of this system by being sensitive to unexpected social rejection. Here, we examined whether frontal-midline theta is modulated by individual differences in personality constructs sensitive to social disconnection. In addition, we examined the sensitivity of feedback-related brain potentials (i.e., the feedback-related negativity and P3) to social feedback. Sixty-five undergraduate female participants (mean age = 19.69 years) participated in the Social Judgment Paradigm, a fictitious peer-evaluation task in which participants provided expectancies about being liked/disliked by peer strangers. Thereafter, they received feedback signaling social acceptance/rejection. A community structure analysis was employed to delineate personality profiles in our data. Results provided evidence of two subgroups: one group scored high on attachment-related anxiety and fear of negative evaluation, whereas the other group scored high on attachment-related avoidance and low on fear of negative evaluation. In both groups, unexpected rejection feedback yielded a significant increase in theta power. The feedback-related negativity was sensitive to unexpected feedback, regardless of valence, and was largest for unexpected rejection feedback. The feedback-related P3 was significantly enhanced in response to expected social acceptance feedback. Together, these findings confirm the sensitivity of frontal midline theta oscillations to the processing of social threat, and suggest that this alleged neural alarm system behaves similarly in individuals that differ in personality constructs relevant to social evaluation. 相似文献
28.
In the present study, we investigated the effects of word-level age of acquisition (AoA) on natural reading. Previous studies, using multiple language modalities, showed that earlier-learned words are recognized, read, spoken, and responded to faster than words learned later in life. Until now, in visual word recognition the experimental materials were limited to single-word or sentence studies. We analyzed the data of the Ghent Eye-tracking Corpus (GECO; Cop, Dirix, Drieghe, & Duyck, in press), an eyetracking corpus of participants reading an entire novel, resulting in the first eye movement megastudy of AoA effects in natural reading. We found that the ages at which specific words were learned indeed influenced reading times, above other important (correlated) lexical variables, such as word frequency and length. Shorter fixations for earlier-learned words were consistently found throughout the reading process, in both early (single-fixation durations, first-fixation durations, gaze durations) and late (total reading times) measures. Implications for theoretical accounts of AoA effects and eye movements are discussed. 相似文献
29.
Wouter Backx 《Journal of Rational-Emotive & Cognitive-Behavior Therapy》2011,29(4):263-271
This article demonstrates how REBT has changed over time in terms of what is considered to be an irrational belief, in particular
how the concept of an irrational belief has been narrowed down. REBT is more of a goal oriented therapy as opposed to a cognitive
therapy, and is referred to as an intentional therapy. The ways in which one can dispute irrational beliefs intellectually
and in a more dynamic way are demonstrated. Attention is given to the provocative and confrontational way Albert Ellis did
therapy, which was not generally appreciated by the public but also not appreciated by some REBT therapists. Reasons why people
may dislike such a way of doing therapy are addressed. Some of the weaknesses of REBT are discussed and recommendations are
made to address these weaknesses. 相似文献
30.
Effects of category learning on the stimulus selectivity of macaque inferior temporal neurons
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De Baene W Ons B Wagemans J Vogels R 《Learning & memory (Cold Spring Harbor, N.Y.)》2008,15(9):717-727
Primates can learn to categorize complex shapes, but as yet it is unclear how this categorization learning affects the representation of shape in visual cortex. Previous studies that have examined the effect of categorization learning on shape representation in the macaque inferior temporal (IT) cortex have produced diverse and conflicting results that are difficult to interpret owing to inadequacies in design. The present study overcomes these issues by recording IT responses before and after categorization learning. We used parameterized shapes that varied along two shape dimensions. Monkeys were extensively trained to categorize the shapes along one of the two dimensions. Unlike previous studies, our paradigm counterbalanced the relevant categorization dimension across animals. We found that categorization learning increased selectivity specifically for the category-relevant stimulus dimension (i.e., an expanded representation of the trained dimension), and that the ratio of within-category response similarities to between-category response similarities increased for the relevant dimension (i.e., category tuning). These small effects were only evident when the learned category-related effects were disentangled from the prelearned stimulus selectivity. These results suggest that shape-categorization learning can induce minor category-related changes in the shape tuning of IT neurons in adults, suggesting that learned, category-related changes in neuronal response mainly occur downstream from IT. 相似文献