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861.
Alessandro Guida Doriane Gras Yvonnick Noel Olivier Le Bohec Christophe Quaireau Serge Nicolas 《Memory & cognition》2013,41(4):571-587
In this study, a personalization method (Guida, Tardieu, & Nicolas, European Journal of Cognitive Psychology, 21: 862–896 2009) was applied to a free-recall task. Fifteen pairs of words, composed of an object and a location, were presented to 93 participants, who had to mentally associate each pair and subsequently recall the objects. A 30-s delay was introduced on half of the trials, the presentation rate was manipulated (5 or 10 s per item), and verbal and visuospatial working memory tests were administered to test for their effects on the serial curve. Two groups were constituted: a personalized group, for whom the locations were well-known places on their university campus, and a nonpersonalized group, for whom the locations did not refer to known places. Since personalization putatively operationalizes long-term working memory (Ericsson & Kintsch, Psychological Review, 102: 211–245 1995)—namely, the capacity to store information reliably and rapidly in long-term memory—and if we take a dual-store approach to memory, the personalization advantage would be expected to be greater for pre-recency than for recency items. Overall, the results were compatible with long-term working memory theory. They contribute to validating the personalization method as a methodology to characterize the contribution of long-term memory storage to performance in working memory tasks. 相似文献
862.
ResumenEsta investigación trata de comprobar si existen diferencias individuales en las estrategias usadas en las tareas de decisión con riesgo que puedan ser explicadas en términos de rasgos polares de personalidad (neuroticismo y extroversión). Al mismo tiempo se trata de encontrar evidencia de las causas (no explicadas) que podrían justificar la clasificación de estrategias propuesta desde la teoría de la integración de la información. Este artículo consta de dos partes bien diferenciadas, en la primera se lleva a cabo un experimento donde los datos no apoyan que los rasgos de personalidad usados expliquen las diferencias individuales; se encontró apoyo para tres de las estrategias descritas en integración de la información. En la segunda parte, con el propósito de analizar las diferencias individuales en el tiempo, se muestra que la estructura lógica del sujeto, como procesador/decisor, es relativamente invariante en el tiempo. Finalmente se discute si la naturaleza de la tarea experimental obliga a los sujetos a desarrollar estrategias ad hoc con poco claro valor de generalización. 相似文献
863.
ABSTRACTPrevious research has shown that emotional stimuli may interfere with working memory (WM) processes, but little is known about the process affected. Using a complex span task, the present study investigated the influence of processing negative emotional content on attentional maintenance in WM. In two experiments conducted under articulatory suppression, participants were asked to remember a series of five letters, each of which was followed by an image to be categorised. In half of the trials, the images were negative and in the other half, they were neutral. In both experiments, our results showed longer processing times for emotional stimuli than neutral stimuli, and lower memory performance when participants processed negative stimuli. We propose that emotional stimuli direct more attentional resources towards the processing component of the WM task, thereby reducing the storage capacity available for the items that are to be remembered. 相似文献
864.
This article reports two studies investigating the relationship between emotional feelings and respiration. In the first study, participants were asked to produce an emotion of either joy, anger, fear or sadness and to describe the breathing pattern that fit best with the generated emotion. Results revealed that breathing patterns reported during voluntary production of emotion were (a) comparable to those objectively recorded in psychophysiological experiments on emotion arousal, (b) consistently similar across individuals, and (c) clearly differentiated among joy, anger, fear, and sadness. A second study used breathing instructions based on Study 1's results to investigate the impact of the manipulation of respiration on emotional feeling state. A cover story was used so that participants could not guess the actual purpose of the study. This manipulation produced significant emotional feeling states that were differentiated according to the type of breathing pattern. The implications of these findings for emotion theories based on peripheral feedback and for emotion regulation are discussed. 相似文献
865.
Aïna Chalabaev Philippe Sarrazin Paul Fontayne Julie Boiché Corentin Clément-Guillotin 《Psychology of sport and exercise》2013,14(2):136-144
The role of sex stereotypes and gender roles in the sex differences observed in sport and exercise has been extensively investigated in sport psychology, past studies showing that stereotypes are internalized into the self during the socialization process. Although this research has provided clear evidence of the psychosocial roots of sex differences in athletics, focusing exclusively on an internalization explanation may not allow a complete understanding of the influence of stereotypes in this domain. This article presents two approaches that have been developed in mainstream psychology and discusses their relevance in sport psychology: (1) the situational approach, which considers that the mere presence of stereotypes in the environment is sufficient to affect individuals (e.g., stereotype threat theory); (2) the content of stereotypes approach (e.g., stereotype content model), which suggests that stereotypes about a particular group may be ambivalent, and that this ambivalence may serve to legitimize the status quo. 相似文献
866.
In this article, we are interested in the computational modeling of visual attention. We report methods commonly used to assess the performance of these kinds of models. We survey the strengths and weaknesses of common assessment methods based on diachronic eye-tracking data. We then illustrate the use of some methods to benchmark computational models of visual attention. 相似文献
867.
Sébastien Lagacé Frédéric Downing-Doucet Katherine Guérard 《Behavior research methods》2013,45(3):772-781
An increasing number of studies are investigating the cognitive processes underlying human–object interactions. For instance, several researchers have manipulated the type of grip associated with objects in order to study the role of the objects’ motor affordances in cognition. The objective of the present study was to develop norms for the types of grip employed when grasping and using objects, with a set of 296 photographs of objects. On the basis of these ratings, we computed measures of agreement to evaluate the extent to which participants agreed about the grip used to interact with these objects. We also collected ratings on the dissimilarity between the grips employed for grasping and for using objects, as well as the number of actions that can typically be performed with the objects. Our results showed grip agreements of 67 % for grasping and of 65 % for using objects. Moreover, our pattern of correlations is highly consistent with the idea that the grips for grasping and using objects represent two different motor dimensions of the objects. 相似文献
868.
Organizations often utilize empowerment as a way to bolster performance. It is largely assumed, however, that its impact in this capacity is equivalent across organizational members. We tested this notion within a sample of 420 employees belonging to 75 teams in a Chinese organization and found that team empowerment related positively to supervisor‐rated in‐role and self‐rated extra‐role performance through its effect on individual psychological empowerment. More important, employee–coworker demographic dissimilarity moderated both stages of this indirect relationship. Specifically, when employee–coworker sex dissimilarity was higher, the following relationships were attenuated: (a) team empowerment–individual empowerment, (b) individual empowerment–in‐role performance, and (c) individual empowerment–extra–role performance. Collectively, the results illustrate that the impact of empowerment is contingent upon demographic dissimilarity. 相似文献
869.
Tight frequency-to-amplitude relationships are observed in spontaneous human steady gait. They can be modified, if required; that flexibility forms a fundamental basis of the intentional adaptive capabilities of locomotion. In the present experiments, the processes underlying that flexibility were investigated at both the level of joint kinematics and the level of neuromuscular synergies. Subjects (N = 4) walked at the same speed either with a preferred or a nonpreferred frequency-to-amplitude relationship (i.e., constrained, short steps at a high frequency [COS condition] or constrained, long steps at a low frequency [COL condition]); their swing and stance phases were separately analyzed. In the COS condition, increases in EMG activity were specifically required during the swing phase. In the COL condition, several muscles required increases in EMG activity during the stance phase, but decreases of the hamstring muscles were needed during the swing phase. Whereas, in preferred walking, modification of the frequency affects the EMG patterns globally (the gain increasing with the frequency in both the stance and swing phases), the present results show that changing the frequency in a constrained manner either affects the swing phase specifically or affects both phases, but in the opposite direction. That finding indicates mat a separate control is needed in both the swing and the stance phases. 相似文献
870.
Catherine J. Mondloch Thanujeni Pathman Daphne Maurer Richard Le Grand Scania de Schonen 《Visual cognition》2013,21(5):564-577
Holistic processing (i.e., gluing facial features together into a gestalt) is a hallmark of adults’ expert face recognition. Children make more errors than adults on a variety of face processing tasks even during adolescence. To determine whether this slow development can be attributed to immature holistic processing of unfamiliar faces, we tested 6-year-old children (n=24) with a classic measure of adults’ holistic processing, the composite face effect: They made same/different judgements about the top halves of face pairs when each top half was combined with a different bottom half, with which it was aligned (so that holistic processing creates the impression of a different face) or misaligned (a manipulation that disrupts holistic processing). Six-year-olds showed an adult-like composite face effect: Like adults, they made 26% more errors on aligned trials than on misaligned trials. These results suggest that the improvements after age 6 in the recognition of the facial identity are not caused by the onset or increasing strength of holistic face processing. 相似文献