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151.
Executive control in the Simon effect: an electromyographic and distributional analysis 总被引:3,自引:0,他引:3
Manual responses to lateralized stimuli are faster for spatially congruent stimulus-response associations than for incongruent associations, even if the stimulus location is irrelevant. This effect, however, decreases as reaction time increases. Recent data suggest that such a decrease reflects online, within-trial executive control. The present study was aimed at testing this hypothesis by analyzing the electromyographic activity of muscles involved in response execution. We focused on the particular trials in which an activation of the muscle involved to the incorrect response preceded the execution of the correct response. A sequential effect analysis, along with an analysis of the reaction time distributions, revealed that after such dual-activation trials, executive control was reinforced. In addition, a distribution analysis of the reaction times associated with such trials compared to the trials without incorrect activation, revealed online, within-trial changes in executive control. Arguments against a late motor locus of the effect of the irrelevant stimulus location are also provided. These results are discussed in terms of current models of cognitive control. 相似文献
152.
According to dominant models of reasoning by analogy, analogical transfer requires subjects to first define a full one-to-one correspondence between the base and the target problems. Accordingly, these models predict that if there is a cross-mapping between the base and the target (cross-mapping exists when similar or identical elements in the base and the target play different roles), the time spent transferring a property from the base to the target will be greater. The present results are inconsistent with this prediction. Indeed, if the mapping task is more difficult in the cross-mapping condition than in the control condition, the time needed to make the transfer is not affected by the presence of a cross-mapping. Consequently, we conclude that the mapping phase is not a necessary condition for transfer. 相似文献
153.
The Swiss sublines of Roman high-(RHA/Verh) and low-(RLA/Verh) avoidance rats have been genetically selected for good vs. poor performance in two-way active avoidance since 1972. RLA/Verh rats show increased stress responses (e.g. freezing behaviour, ACTH, corticosterone and prolactin secretion) and adopt a more passive (or reactive) coping style when confronted with a novel environment. In the open field, elevated plus-maze, black/white box test, and in a new light/dark open field test, RLA/Verh rats appear to be more anxious than their RHA/Verh counterparts. Anxiety may result from their particular psychophysiological profile, i.e. increased emotionality combined with a passive coping style. In contrast, RHA/Verh rats are less responsive to stress, they show little anxiety in novel situations and tend to be impulsive and novelty (sensation) seekers. Some behavioural differences are already noticeable shortly after birth, but the full pattern appears to stabilize only after puberty. Gene-environment interactions are critical in establishing this pattern. The data reviewed indicate that the differences between RHA/Verh and RLA/Verh rats probably result from a complex interaction among divergent anxiety/emotionality characteristics, differences in locomotor activity and novelty/reward seeking, as well as active vs. passive coping styles. It is proposed further that these divergent personality types are to be found not only in other selective breeding programs but in the form of individual differences in most populations of rats used for this type of research. 相似文献
154.
Pointing tasks with a mouse are very useful in psychological experiments concerned with a subject’s ability to track a visual object or to move to a target location (e.g., to find a word in text). Such tasks are quite easily performed by subjects, and numerous variables may be obtained from the mouse movement. In this article we describe a set of Turbo Pascal 6.0 units and a program running on the IBM PC family that show how data (x,y coordinates) recorded from a mouse movement can be analyzed to give dispersion, direction, and distance of the movement. 相似文献
155.
156.
In two experiments, we investigated memory for words location after writing a text. Experiment 1 demonstrated the existence
of a memory for words location in writing by showing that participants who first composed a text and were then asked to locate
words extracted from their text performed above a chance level established using a computer simulation, and better than participants
who did not compose a text but were told the subject of the text. Experiment 2 showed that memory for words location in writing
is mainly supported by a visuospatial representation of the text, as indicated by the lower recall of words location by participants
who performed a visuospatial concurrent task at the time of the composition, compared with participants who performed a verbal
concurrent task. The findings highlight the role of a spatial representation of the physical layout of the text and the role
of such a memory in the writing process.
相似文献
Thierry OliveEmail: |
157.
Sonia Allain Boris Burle Thierry Hasbroucq Franck Vidal 《Psychonomic bulletin & review》2009,16(2):356-362
In choice reaction time tasks, subjects speed up before making an error, but slow down afterward to prevent the occurrence
of a new error. In some trials, the correct response is preceded by an incorrect electromyographic (EMG) activation too small
to reach the response threshold. In this article, we show that these incorrect EMG activations give rise to the same sequential
effects as overt errors: Before a trial containing an incorrect EMG activation, subjects speed up, whereas after that trial,
they slow down. These activations reflect errors that have been detected, inhibited, and corrected in time. As such, they
index the involvement of online executive control. 相似文献
158.
In songbirds, experience of social and environmental cues during a discrete period after birth may dramatically influence
song learning. In the canary, the ability to learn new songs is assumed to persist throughout life. The aim of the present
study was to investigate whether social context could guide changes in adult song. Three groups of canaries were kept in different
social and temporal conditions. Results showed that the multiple hierarchical levels of the canary song structure were affected
by social environment: songs of males housed together for 2 years were more similar than those of males that spent the same
time in individual cages in regard to acoustic parameters, syllable repertoire and repertoire of sequences of two-syllable
types. However, social housing did not result in the emergence of a group-specific vocal signature within songs. In conclusion,
these results suggested that under the influence of social factors, a copying process could allow adult canaries to adjust,
at least in part, their songs to those of other individuals. 相似文献
159.
Thierry Marchant 《Journal of Multi-Criteria Decision Analysis》1996,5(2):127-132
The Borda method is a well-known method used to aggregate a profile of crisp binary relations into one weak order. We present a generalization of the Borda method, allowing it to aggregate a profile of valued relations. We give a characterization of the Borda method in this context and we show some links with the PROMETHEE method. 相似文献
160.
Constantina Badea Jean‐Louis Tavani Mark Rubin Thierry Meyer 《Journal of applied social psychology》2017,47(7):355-365
This research tested the potential for self‐affirmation on left‐ and right‐wing political values to increase behavioral intentions to provide help and assistance to refugees. We present a pilot study defining left‐ and right‐wing values, and a main study in which participants completed either a self‐affirmation task, a group‐affirmation task, or participated in a control condition on values that were either congruent or incongruent with their own political views. Results show that left‐wing oriented participants showed more supportive intentions in the self‐affirmation condition compared to the group‐affirmation and control conditions, independent of values congruency. In contrast, right‐wing participants showed more supportive intentions in the self‐affirmation condition, but only when they affirmed on values that were congruent with their own political views. 相似文献