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121.
In modern digital applications, users often interact with virtual representations of themselves or others, called avatars. We examined how these avatars and their perspectives influence stimulus–response compatibility in a Simon task. Participants responded to light/dark blue stimuli with left/right key presses in the presence of a task-irrelevant avatar. Changes in stimulus–response compatibility were used to quantify changes in the mental representation of the task and perspective taking toward this avatar. Experiments 1 and 2 showed that perspective taking for an avatar occurred in orthogonal stimulus–response mappings, causing a compatibility effect from the avatar’s point of view. In the following two experiments we introduced a larger variety of angular disparities between the participant and avatar. In Experiment 3, the Simon effect with lateralized stimulus positions remained largely unaffected by the avatar, pointing toward an absence of perspective taking. In Experiment 4, after avatar hand movements were added in order to strengthen the participants’ sense of agency over the avatar, a spatial compatibility effect from the avatar’s perspective was observed again, and hints of the selective use of perspective taking on a trial-by-trial basis were found. Overall, the results indicate that users can incorporate the perspective of an avatar into their mental representation of a situation, even when this perspective is unnecessary to complete a task, but that certain contextual requirements have to be met. 相似文献
122.
Interhemispheric relay time (IHRT) is inferred from simple (visual) reaction time (SRT) by subtracting SRTs in ipsilateral hand-field conditions from SRTs in contralateral hand-field conditions. This index, the "crossed-uncrossed differential" (CUD) is a synonym of IHRT in the current literature. The CUD has been shown to be significantly moderated by experimental variables, including attentional. One reason the CUD = IHRT hypostasy persists today is that no experimental manipulation has yet been able to generate a significantly negative CUD in a subject manifesting a significant positive CUD in classical conditions. We implemented an experimental manipulation, in SRT, consisting of increasing complexity of the response after the initial key press required at detection. In a very large scale single-case experiment, we found that the CUD thus went from significantly positive in classical SRT to significantly negative in the increased response load condition. 相似文献
123.
Schubö A Schlaghecken F Meinecke C 《Journal of experimental psychology. Human perception and performance》2001,27(4):919-931
Although traditionally texture segmentation has been regarded as an automatic, preattentive process, participants confronted with texture segmentation in experimental settings (i.e., with brief presentation time and subsequent masking) are initially unable to perform the task. According to perceptual learning concepts, participants must learn to fine-tune their sensory channels before perception improves under restricted viewing conditions. The present article proposes an alternative perspective that emphasizes the role of the mask. Four experiments showed that the amount of observed learning depends on the structural and temporal homogeneity or heterogeneity of the mask. The authors suggest that learning consists of separating the task-relevant signal stemming from the texture from the task-irrelevant signal of the mask and of ignoring the mask. 相似文献
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Serban Dincą-Panaitescu Mihaela Dincą-Panaitescu Alin Achim Radu Negoescu 《Integrative psychological & behavioral science》1999,34(1):10-18
Seventeen male subjects, aged nineteen to twenty, went through a protocol including, while supine, relaxation at rest (10
min) and mental stress (MS) by a Kraepelin (arithmetic) test (5 min), as part of a larger study. With a polygraphic analog
recording set-up we also collected a 1 ms - digital facsimile of a lead II-like thoracic ECG with maximum T-wave (Codas, Dataq
Instr). Twenty-three stress responses were assigned to three classes according to known cardiotacho-, plethysmo-, and pneumo-graphic
marks of “concentrated attention mainly,” “emotion,” or still “high emotion.” During each setting the most stationary 3 min
RR epoch in cardiotachogram was selected for joint RR & QT beat-by-beat variability study. RR and QT intervals were detected
using a published algorithm. Conventional RR and QT Fourier autospectra were computed while using RR*QT mean square coherence spectrum we detached the RR-independent, idioventricular (IV) fraction of QT low frequency (LF: 0.04–0.15
Hz) power of variability (IV QT-LF).
IV QT-LF responded consistently to varieties of mental stress that confuse RR-LF or let QT-LF unchanged, best witnessing the
cortically-issued ventricular adrenergic strain. Indeed, while emotion propels the same way all spectral variables above,
concentrated attention increased (Wilcoxon) significantly IV QT-LF only (0.54–0.80 ms2) and decreased RR-LF (715–465 ms2). Findings hold promise of a non-invasive, high resolution Holter based monitoring of sympathetic status of myocardium, robust
vis-à-vis of confusion caused by the autonomic interplay at sino-atrial node. 相似文献
126.
The present paper studies a specific way of addressing the question whether the laws involving the basic constituents of nature
are statistical. While most German physicists, above all Planck, treated the issues of determinism and causality within a
Kantian framework, the tradition which I call Vienna Indeterminism began from Mach’s reinterpretation of causality as functional
dependence. This severed the bond between causality and realism because one could no longer avail oneself of a priori categories
as a criterion for empirical reality. Hence, an independent reality criterion had to be sought, a problem which all three
physicists to be studied solved in different ways that were mainly conditioned by their different concepts of probability.
In order to prevent a dissipation of intuited facts, Mach had to resort to a principle of unique determination as his reality
criterion, especially when discussing the Principle of Least Action. Giving theories more independence, Boltzmann understood
atomism as property reduction to precisely defined theoretical entities and their interactions. While this served as a relative
reality criterion, he also advocated a constructivist one because atomism was already implied by our finitary reasoning power.
Finally, Exner contemplated the idea that all apparently deterministic laws are only a macroscopic limit of an irreducible
indeterminism, because by adopting the frequency interpretation, observable collectives could be considered as the real basic
entities.
This revised version was published online in June 2006 with corrections to the Cover Date. 相似文献
127.
When immigrant groups “misbehave”: The influence of perceived deviant behavior on increased threat and discriminatory intentions and the moderating role of right‐wing authoritarianism 下载免费PDF全文
Mathias Kauff Frank Asbrock Christian Issmer Stefan Thörner Ulrich Wagner 《European journal of social psychology》2015,45(5):641-652
In two studies, we tested the relationship between non‐immigrant individuals' perceptions of deviant behavior carried out by Muslims and foreigners and discriminatory intentions towards these outgroups. Based on a longitudinal and a representative cross‐sectional sample, we showed that two different types of perceived deviant behavior (Study 1, Muslims' unwillingness to integrate; and Study 2, foreigners' hostility towards the non‐immigrant majority group) are related to increased intergroup threat, which in turn is related to increased intentions to show passive discrimination (i.e., avoidance) towards these outgroups. In line with theorizing about an increased sensitivity for threat in authoritarian individuals, the relationship between perceptions of deviant behavior and threat was especially strong among high authoritarian individuals. Theoretical and practical implications of our results are discussed. 相似文献
128.
Réka Török István Tóth-Király Beáta Bőthe Gábor Orosz 《Current psychology (New Brunswick, N.J.)》2017,36(4):764-773
The goal of the study was to examine the dimensionality of the Career Decision Self-Efficacy Scale Short Form (CDSES-SF, Betz et al. 1996). Integrating several previous findings from different cultures, we found that the bifactor structure of the CDSES-SF on a Hungarian sample of 649 respondents showed the best model fit. This structure includes a general CDSE factor covering 15 items and the original five specific factors (self-appraisal, occupational information, goal selection, planning, and problem solving) covering three items each. This short form of CDSES shows an acceptable model fit and appropriate reliability in terms of the Cronbach’s alpha and omega values. Regarding career decision self-efficacy, a large proportion of variance was explained by the general factor and to a smaller extent by the specific factors. These results can be considered as a first step in resolving the paradox of the dimensionality of CDSES-SF. 相似文献
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