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1.
How people learn chunks or associations between adjacent items in sequences was modelled. Two previously successful models of how people learn artificial grammars were contrasted: the CCN, a network version of the competitive chunker of Servan‐Schreiber and Anderson [J. Exp. Psychol.: Learn. Mem. Cogn. 16 (1990) 592], which produces local and compositionally‐structured chunk representations acquired incrementally; and the simple recurrent network (SRN) of Elman [Cogn. Sci. 14 (1990) 179], which acquires distributed representations through error correction. The models' susceptibility to two types of interference was determined: prediction conflicts, in which a given letter can predict two other letters that appear next with an unequal frequency; and retroactive interference, in which the prediction made by a letter changes in the second half of training. The predictions of the models were determined by exploring parameter space and seeing howdensely different regions of the space of possible experimental outcomes were populated by model outcomes. For both types of interference, human data fell squarely in regions characteristic of CCN performance but not characteristic of SRN performance. 相似文献
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Colette Sabatier 《International journal of psychology》1986,21(1-4):513-553
Infant-caretaking as a complex activity is a part of the culture. Each country, each ethnic group has his own norms, theories and practices. Three facets of the mother-infant relationship (from the point of view of the mother) can be identified: they are practices (nursing and home stimulations), representations and folk theories, and styles of interaction. They all vary in function of environmental, social and cultural factors, the strength of each is discussed here. Also, the first part of this paper informs the reader on methodological problems in this kind of studies. And, in the last one, mother-infant relationship in the migration context is studied. 相似文献
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The purpose of this study was (a) to determine if vision and kinesthesis contribute differentially to the coding of a specific two-dimensional pattern and (b) to identify the effect of repetition on the spatial representation of this pattern. The reproductions of a specific pattern presented visually were compared with those of a pattern presented kinesthetically. The results showed that vision and kinesthesis had contributed equally to the coding of the directional components of the pattern. However, there was dominance of visual information over kinesthetic information when coding the distance between the intersecting points of the pattern, especially at the beginning of the process. Generally speaking, the visual or kinesthetic repetition, or both, have increased favourably the precision with which a specific pattern was reproduced in distance and direction. 相似文献
5.
Sex differences and effects of aging on visuomotor coordination. 总被引:1,自引:0,他引:1
The purpose of this study was to examine the effects of aging on men and women in processing information required to reproduce direction and distance on a visuomotor task. Subjects (45 men and 45 women) selected from three age groups (25-34 yr., 45-54 yr., 65-74 yr.) were required to estimate blindly the exact criterion location of a target-point they had identified under one of the following conditions: visual, kinesthetic, and visuokinesthetic. Errors in direction (degrees) and in distance (cm) were recorded. The analysis of the total variability in responding (E) indicated that the women of the 65- to 74-yr. age group were significantly less accurate in estimating distance than were the men of the two older age groups (45 to 54 yr., 65 to 74 yr.) and less accurate than were the women of the 25- to 34-yr. age group. No significant differences in estimating distance were found among the three age groups of men. No significant differences for direction were found between men and women. 相似文献
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International Journal for Philosophy of Religion - Creationists have long argued that evolutionary science is committed to a dogmatic metaphysics of naturalism and materialism, which is based on... 相似文献
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Patients with social phobia report experiencing negative images of themselves performing poorly when in feared social situations. The present study investigates whether such negative self-imagery (based on memory of past social situations) contaminates social interactions. High socially anxious volunteers participated in two conversations with another volunteer (conversational partner). During one conversation, the socially anxious volunteers held in mind a negative self-image, and during the other they held in mind a less negative (control) self-image. As predicted, when holding the negative image the socially anxious volunteers felt more anxious, reported using more safety behaviours, believed that they performed more poorly, and showed greater overestimation of how poorly they came across (relative to ratings by the conversational partner). Conversational partners rated the socially anxious volunteers' performance as poorer in the negative image condition. Furthermore, the conversation was contaminated since both groups of participants rated its quality as poorer in the negative image condition. 相似文献
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Kathryn L. Boucher Robert J. Rydell Katie J. Van Loo Michael T. Rydell 《European journal of social psychology》2012,42(2):174-179
Recent stereotype threat research has demonstrated that negative stereotypes about women's math ability can impair their mathematical learning. This experiment extends this research by examining whether presenting “gender fair” information can reduce learning decrements (on a focal and transfer task) and if the timing of this information matters. Women (N = 140) and men (N = 60) were randomly assigned to one of four conditions: control, stereotype threat only, stereotype threat removed before learning, and stereotype threat removed after learning. Compared with women in the control condition and women who had stereotype threat removed before learning, learning and transfer were poorer for women in the stereotype threat only condition and women who had stereotype threat removed after learning but before learning assessment. Men's learning and transfer were unaffected by condition. These findings suggest that a manipulation that can reduce performance deficits can also reduce learning decrements if it is presented before learning occurs. Copyright © 2011 John Wiley & Sons, Ltd. 相似文献
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Atypical maternal behavior has consistently been identified as a precursor of disorganized infant–mother attachment, but to date, no research has examined the role of atypical paternal behavior in the development of disorganized infant–father attachment. This study aims to enhance our understanding and conceptualization of infant–father attachment by examining the role of fathers' unresolved states of mind and the display of atypical paternal behavior in the development of disorganized infant–father attachment. Thirty‐one middle‐class couples participated in this study. Maternal and paternal Adult Attachment Interviews (C. George, N. Kaplan, & M. Main, 1996 ) were completed prenatally and at infant age 6 months, respectively. Infant–mother and infant–father dyads participated in the Strange Situation paradigm (M. Ainsworth, M. Blehar, E. Waters, & S. Wall, 1978 ) when the infants were 12 and 18 months of age, respectively. The Atypical Maternal Behavior Instrument for Assessment and Classification (E. Bronfman, E. Parsons, & K. Lyons‐Ruth, 1999 ) was used to assess maternal and paternal behavior during the Strange Situation. Maternal states of mind regarding attachment predicted infant–mother attachment relationships, and paternal states of mind predicted infant–father attachment relationships. Atypical maternal behavior was associated with infant–mother disorganized attachment; however, atypical paternal behavior did not predict infant–father disorganized attachment. Thus, it is possible that other factors, yet to be uncovered, might contribute to the development of infant–father disorganized attachment. 相似文献