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111.
McLeod (1980) reported some findings which showed that no phase of a movement was more attention-demanding than the other phases, contrary to all the results previously reported (e.g., Ells, 1973; Glencross, 1980). However, McLeod used a paradigm in which the two tasks were serial. Each task consisted of a series of 50 reaction time (RT) trials and/or 50 aiming movement trials. In addition to this, the interval of time between a response and the following signal within each series was constant. In order to try to replicate McLeod’s findings, two experiments were conducted in which the response-signal interval was manipulated. The hypothesis was that time certainty associated with a constant interval would facilitate the allocation of time and would thus artificially reduce the interference between tasks. In Experiment I, manual responses were used for the RT task; in Experiment II, they were vocal. Manipulation of the response-signal interval does not change one of the conclusions reached by McLeod: when the RT task involves vocal responses and the results on the RT task are analyzed in terms of response rather than stimulus arrival during the movement, then there is no phase of the movement which is more attention-demanding than the other phases. However, the results of Experiment II in which both the vocal RT task and the movement task significantly deteriorated in the dual-task condition were taken as an indication that the movement studied involved central attentional demands. 相似文献
112.
Robin Martin Yves Guillaume Geoff Thomas Allan Lee Olga Epitropaki 《Personnel Psychology》2016,69(1):67-121
This paper reports a meta‐analysis that examines the relationship between leader–member exchange (LMX) relationship quality and a multidimensional model of work performance (task, citizenship, and counterproductive performance). The results show a positive relationship between LMX and task performance (146 samples, ρ = .30) as well as citizenship performance (97 samples, ρ = .34), and negatively with counterproductive performance (19 samples, ρ = ?.24). Of note, there was a positive relationship between LMX and objective task performance (20 samples, ρ = .24). Trust, motivation, empowerment, and job satisfaction mediated the relationship between LMX and task and citizenship performance with trust in the leader having the largest effect. There was no difference due to LMX measurement instrument (e.g., LMX7, LMX‐MDM). Overall, the relationship between LMX and performance was weaker when (a) measures were obtained from a different source or method and (b) LMX was measured by the follower than the leader (with common source‐ and method‐biased effects stronger for leader‐rated LMX quality). Finally, there was evidence for LMX leading to task performance but not for reverse or reciprocal directions of effects. 相似文献
113.
Patients with Parkinson's disease (PD) have repeatedly demonstrated reduced sequence-specific learning effects in serial reaction time tasks (SRTs). Previous research with PD patients has mainly employed the 'classical' SRT task, involving a spatially compatible assignment of stimuli and responses. From cognitive research, it is known that spatial compatibility triggers rapid, automatic responses in the direction of the stimulus. Automatic responding has shown to be disinhibited in PD patients and may therefore interfere with stimulus anticipation during the learning process. The aim of the present study was to test this hypothesis by investigating if reduced sequence-specific learning depends on spatial stimulus-response compatibility. PD patients and age-matched controls were examined either with an SRT variant involving central stimulus presentation, thereby preventing automatic linking of stimulus and response locations, or with a spatially compatible SRT task. Patients showed reduced sequence-specific learning effects only when the stimulus-response assignment was spatially compatible. This pattern of results confirms the hypothesis that sequence learning deficits in PD may result from a predominance of automatic response activation over learning-based stimulus anticipations during the learning phase. 相似文献
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Grammatical gender is generally considered an early and error-free acquisition in French children. This article first examines how children cope with the gender attribution problem, i.e., how they determine the gender of individual nouns. We consider the plausibility and requirements of an account in which tacit phonological assignment rules are put to use to solve attribution problems and contrast it with a simple “masculine as default” strategy. Elicited production data from three experiments, involving 312 4–10-year-old French children and 40 adult controls, were found compatible with this latter scenario and to provide only scant support for the former one. Second, we argue that previous studies have overestimated French children's gender agreement abilities, and that French children's ability to make the article and the adjective agree can be assumed from age 7 onwards, but not before. 相似文献
117.
Yves De Maeseneer 《Heythrop Journal》2003,44(1):1-14
Seattle, Prague, Quebec, Nice, Gothenburg, Genoa, Brussels, Barcelona, ≡ All these cities formed the setting of mass globalization protests. In most mass media reports, the presence of thousands of peaceful demonstrators has been outshone by the pictures of radical activists smashing McDonald's and Niketown. In the search for an adequate theological response to today's context of globalization, this article takes precisely this radical activism as a starting–point. In line with those postmodern iconoclasts’ own legitimation, a theological approach to this case leads to the Marxist theory of fetishism and idolatry as it has already been investigated by liberation theologians two decades ago. Surprisingly, a renewed version of this critique of the theologization of economics can be found in No Logo (2000), the trend–setting globalization critique written by the Canadian journalist Naomi Klein. A theological close reading of this best–selling book brings to the light a recurrent use of religious metaphor to characterize the corporate logo as a major aesthetic figure in the context of globalization. In order to understand the aesthetic and (pseudo–)theological processes involved, a confrontation with the theological aesthetics of Hans Urs von Balthasar (in particular his essay on Bonaventure) delivers a striking formal parallel between the Church's cross and today's corporate logo. Beyond an at first sight similar theo–aesthetic programme, Balthasar's theological aesthetics however opens up a position which enables us to expose the contemporary global socio–economic system as a subtly inverted Christianity. 相似文献
118.
This study aimed to demonstrate that one of the main sources of information that tennis players use to anticipate their opponents' strokes is prior knowledge of the upcoming events likely to develop when the player has the opportunity to impose his or her playing intent. Seventeen experienced male players were faced with simulated on‐court situations with three different delivery conditions such that their tactical initiative was high, moderate or weak (reflecting the possibilities of controlling rallies). Each situation finished with a passing shot from the opponent that the participant had to intercept with a volley stroke in the absence of visual information (vision occluded before the opponent's stroke). Analysis of directional responses showed that the participants were more accurate if they were in firm control of the rallies (high level of tactical initiative). Forecasts were also found to be more accurate for down‐the‐line backhand shots. These findings increase our understanding of anticipation in tennis. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
119.
Emotions and false memories: valence or arousal? 总被引:2,自引:0,他引:2
The effects of mood on false memories have not been studied systematically until recently. Some results seem to indicate that negative mood may reduce false recall and thus suggest an influence of emotional valence on false memory. The present research tested the effects of both valence and arousal on recall and recognition and indicates that the effect is actually due to arousal. In fact, whether participants' mood is positive, negative, or neutral, false memories are significantly more frequent under conditions of high arousal than under conditions of low arousal. 相似文献
120.
Affective matching of odors and facial expressions in infants: shifting patterns between 3 and 7 months 下载免费PDF全文
Ornella Godard Jean‐Yves Baudouin Benoist Schaal Karine Durand 《Developmental science》2016,19(1):155-163
Recognition of emotional facial expressions is a crucial skill for adaptive behavior. Past research suggests that at 5 to 7 months of age, infants look longer to an unfamiliar dynamic angry/happy face which emotionally matches a vocal expression. This suggests that they can match stimulations of distinct modalities on their emotional content. In the present study, olfaction–vision matching abilities were assessed across different age groups (3, 5 and 7 months) using dynamic expressive faces (happy vs. disgusted) and distinct hedonic odor contexts (pleasant, unpleasant and control) in a visual‐preference paradigm. At all ages the infants were biased toward the disgust faces. This visual bias reversed into a bias for smiling faces in the context of the pleasant odor context in the 3‐month‐old infants. In infants aged 5 and 7 months, no effect of the odor context appeared in the present conditions. This study highlights the role of the olfactory context in the modulation of visual behavior toward expressive faces in infants. The influence of olfaction took the form of a contingency effect in 3‐month‐old infants, but later evolved to vanish or to take another form that could not be evidenced in the present study. 相似文献