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81.
In the paper by Hommel (2011-this issue), the roles of the theory of event coding (TEC) and the premotor theory of attention (PMTA) for the Simon effect were considered. PMTA was treated by Hommel in terms of the proposal that attentional orienting can be viewed as the preparation of a saccade towards a certain location, and was dismissed as providing no useful contribution for an attentional explanation of the Simon effect. Here we considered a more recent and broader conception of the PMTA, compared this approach with TEC, and confronted both approaches with a few studies focusing on the role of spatial attention for the Simon effect. It was argued that PMTA may account more easily for various studies examining the influence of spatial attention on the Simon effect. We concluded our paper by listing some elements that an overall encompassing theory on the Simon effect should contain. 相似文献
82.
This study tested the mediating role of violation in the relationship between breach and both affective and continuance commitment and the extent to which this mediating role is moderated by exchange imbalance amongst a sample of 103 sales personnel. Results suggest that violation mediated the relationship between breach and commitment. Also, results suggest that perceived exchange imbalance moderates this mediating pathway: Low exchange imbalance increases the mediating role of violation in the case of affective commitment. On the other hand, exchange imbalance failed to moderate the mediating influence of violation in the case of continuance commitment. Results are discussed in view of the importance of a) including both measures of violation and breach in future studies and b) the role of social exchange in explaining psychological contract violation. 相似文献
83.
Homogeneously coloured bars may exhibit lightness differences at the intersections. A well-known example is the Hermann grid illusion, where crossing white bars on a black background show dark patches at the crossings. Jung (1973, Handbook of Sensory Physiology volume VII/3, pp 1-152) found that the dark patches persist when thin outlines are drawn at the intersections, and are even visible in foveal vision. Recently, it has been shown that making distortions to the contours of a Hermann grid-like configuration results in the disappearance of the illusory dark spots (Geier et al, 2008 Perception 37 651 665). We show that thin outlines at the crossings of the distorted Hermann grid induce lightness differences in the same direction as in the original Hermann grid illusion, even in foveal vision and in displays consisting of two crossing bars. Our experiments reveal that the induced lightness differences are independent of the luminance polarity and shape of the contours at the intersection. We suggest that the effect results from lateral inhibition and an additional spreading and capturing of these differences between luminance contours. A similar capturing between collinear contours may play a role in peripheral vision in the original Hermann grid. 相似文献
84.
John W. Mullennix Steven E. Stern Benjamin Grounds Rob Kalas Mary Flaherty Sara Kowalok Eric May Brian Tessmer 《Applied cognitive psychology》2010,24(4):513-526
In two experiments, memory distortions for voice pitch and speaking rate were examined. In both experiments, a significant distortion effect for voice pitch was observed, with listeners biased towards selecting voices lower in pitch than low‐pitch targets and selecting voices higher in pitch than high‐pitch targets. In contrast, for speaking rate there was little evidence for the production of memory distortions. The results are discussed in terms of transient surface properties of speech and how transience may be a factor in producing distortions. The results have implications for how errors arise during earwitness testimony for a suspect's voice. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
85.
Jochen Hefner Sibylle Klosterhalfen Ute Martens Prof. Dr. Paul Enck 《Psychotherapeut》2010,55(3):203-208
The list of potential or proven associations between psychological and intestinal functions in healthy subjects and in patients with functional and organic bowel disorders demonstrates that although these associations are manifold they are to a large extent incompletely understood, primarily of academic interest and not yet ready to be integrated into everyday clinical practice. However, of immediate practical relevance are psychotherapeutic as well as psychopharmacological approaches. It is, however, required that clinicians, both medical and psychological, are aware of the mechanisms of regulation of intestinal functions through central (CNS) and peripheral (ENS) neural circuits. 相似文献
86.
This study compared a multiple exemplar approach involving the training of key words and sentence structures to a typical repeated readings procedure for their effects on students’ generalized oral reading fluency. The two training approaches were also compared in terms of their relative learning rates (i.e., fluency gain per minute of instruction time). Participants were 111 first- and second-grade students from three public schools in a large urban school district. This study utilized an across students pre-test/post-test experimental design and one-way analyses of variance on the gain scores from pre-test to post-test to assess the effectiveness of multiple exemplar instruction, listening passage preview/repeated readings, and a time and attention control condition. Results showed significantly higher gain scores for students in both the multiple exemplar and listening passage preview/repeated readings groups versus controls on the trained and generalization passages. Multiple exemplar instruction also resulted in significantly larger learning rates than listening passage preview/repeated readings. Implications, limitations, and directions for future research are discussed. 相似文献
87.
There is considerable evidence indicating that people are primed to monitor social signals of disapproval. Thus far, studies on selective attention have concentrated predominantly on the spatial domain, whereas the temporal consequences of identifying socially threatening information have received only scant attention. Therefore, this study focused on temporal attention costs and examined how the presentation of emotional expressions affects subsequent identification of task-relevant information. High (n = 30) and low (n = 31) socially anxious women were exposed to a dual-target rapid serial visual presentation (RSVP) paradigm. Emotional faces (neutral, happy, angry) were presented as the first target (T1) and neutral letter stimuli (p, q, d, b) as the second target (T2). Irrespective of social anxiety, the attentional blink was relatively large when angry faces were presented as T1. This apparent prioritized processing of angry faces is consistent with evolutionary models, stressing the importance of being especially attentive to potential signals of social threat. 相似文献
88.
We investigated the role of transparency, perceptual grouping, and presentation time on perceived lightness. Both transparency and perceptual grouping have been found to result in assimilation effects, but only for ambiguous stimulus displays and with specific attentional instructions. By varying the presentation times of displays with two partly overlapping transparent E-shaped objects, we measured assimilation in unambiguous stimulus displays and without specific attentional instructions. The task was to judge which of two simultaneously presented E-shaped objects was darker. With unrestrained presentation times, if a transparency interpretation was possible, assimilation was not found. Inhibiting a transparency interpretation by occluding the local junctions between the two E-shaped objects, did lead to assimilation. With short presentation times, if a transparency interpretation was possible, assimilation was now also found. Thus, we conclude that, although transparency appears to enhance assimilation, with unambiguous stimulus displays and without specific attentional instructions, perceptual grouping is more important for assimilation to occur. 相似文献
89.
Recent evidence suggests that viewing a static prime object (a hand grasp), can activate action representations that affect the subsequent identification of graspable target objects. The present study explored whether stronger effects on target object identification would occur when the prime object (a hand grasp) was made more action-rich and dynamic. Of additional interest was whether this type of action prime would affect the generation of motor activity normally elicited by the target object. Three experiments demonstrated that grasp observation improved the identification of grasp-congruent target objects relative to grasp-incongruent target objects. We argue from this data that identifying a graspable object includes the processing of its action-related attributes. In addition, grasp observation was shown to influence the motor activity elicited by the target object, demonstrating interplay between action-based and object-based motor coding. 相似文献
90.
The Dispositional Hope Scale (DHS; C. R. Snyder et al., 1991) consists of two subsets of items measuring Agency and Pathways. The authors used bifactor analysis to evaluate the dimensionality structure of the scale. Data from 676 persons (295 psychiatric patients, 112 delinquents, and 269 students) were analyzed. The authors conclude that although the Pathway items seem to explain some additional variance when the Hope scale variance is partionalized out, the DHS allows unidimensional measurement. 相似文献