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We used threatening, friendly, and neutral schematic facial stimuli, in which three, two, or one feature(s) conveyed emotion, to test the hypothesis that humans preferentially orient attention towards threat, and to examine the relation between facial features, emotional impression, and visual attention. Using a visual search paradigm, participants searched for discrepant faces in arrays of otherwise identical faces. Subsequently they also rated their emotional impression of the involved stimuli. Across four experiments, we found faster and more accurate detection of threatening than friendly faces, even when only one feature conveyed the emotion. Facial features affected both attention and emotion in the rank order eyebrows > mouth > eyes. Finally, the emotional impression of a face predicted its effect on attention.  相似文献   
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In a visual search task, displays of four schematic faces (angry, sad, happy, or neutral) were presented. Participants decided whether the faces were all the same or whether one was different. A discrepant angry face in a context of three neutral faces was detected faster than other faces. This occurred in the absence of a higher probability of first fixation on the angry face. Moreover, angry faces were more accurately detected even when presented parafoveally. These results are not consistent with the hypothesis that angry faces are detected faster because they are looked at earlier. In contrast, angry faces were looked at less than other faces during the search process and were more accurately detected than other faces when the display duration was reduced to 150 ms. These results support the processing efficiency hypothesis, according to which fewer attentional resources are needed to identify angry faces, which would account for their speeded detection time. In addition, parafoveal analysis of the angry faces may start preattentively, which would account for the fewer and shorter fixations that they need later, when they come under the focus of attention.  相似文献   
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Participants judged which of seven facial expressions (neutrality, happiness, anger, sadness, surprise, fear, and disgust) were displayed by a set of 280 faces corresponding to 20 female and 20 male models of the Karolinska Directed Emotional Faces database (Lundqvist, Flykt, & Ohman, 1998). Each face was presented under free-viewing conditions (to 63 participants) and also for 25, 50, 100, 250, and 500 msec (to 160 participants), to examine identification thresholds. Measures of identification accuracy, types of errors, and reaction times were obtained for each expression. In general, happy faces were identified more accurately, earlier, and faster than other faces, whereas judgments of fearful faces were the least accurate, the latest, and the slowest. Norms for each face and expression regarding level of identification accuracy, errors, and reaction times may be downloaded from www.psychonomic.org/archive/.  相似文献   
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Rapid response to danger holds an evolutionary advantage. In this positron emission tomography study, phobics were exposed to masked visual stimuli with timings that either allowed awareness or not of either phobic, fear-relevant (e.g., spiders to snake phobics), or neutral images. When the timing did not permit awareness, the amygdala responded to both phobic and fear-relevant stimuli. With time for more elaborate processing, phobic stimuli resulted in an addition of an affective processing network to the amygdala activity, whereas no activity was found in response to fear-relevant stimuli. Also, right prefrontal areas appeared deactivated, comparing aware phobic and fear-relevant conditions. Thus, a shift from top-down control to an affectively driven system optimized for speed was observed in phobic relative to fear-relevant aware processing.  相似文献   
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In a face-in-the-crowd setting, the authors examined visual search for photographically reproduced happy, angry, and fearful target faces among neutral distractor faces in 3 separate experiments. Contrary to the hypothesis, happy targets were consistently detected more quickly and accurately than angry and fearful targets, as were directed compared with averted targets. There was no consistent effect of social anxiety. A facial emotion recognition experiment suggested that the happy search advantage could be due to the ease of processing happy faces. In the final experiment with perceptually controlled schematic faces, the authors reported more effective detection of angry than happy faces. This angry advantage was most obvious for highly socially anxious individuals when their social fear was experimentally enhanced.  相似文献   
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ObjectiveIn this study we examined the relationship between trait hope and burnout in elite junior soccer players and whether stress and positive and negative affect mediated this relationship.MethodsParticipants were 238 Swedish soccer players (166 males, 71 females; one did not indicate gender) aged 15–19 years who completed questionnaires measuring trait hope, perceived stress, positive and negative affect, and athlete burnout (i.e., emotional/physical exhaustion, a reduced sense of accomplishment, and sport devaluation).ResultsBivariate correlations were consistent with hope theory contentions indicating significant negative relationships between hope and all three burnout dimensions. The relationship between hope and emotional/physical exhaustion was fully mediated by stress and positive affect. For sport devaluation and reduced sense of accomplishment, stress and positive affect partially mediated the relationship with hope. In contrast, negative affect did not mediate the relationship between hope and any of the burnout dimensions.ConclusionThe results support earlier findings that hope is negatively related to athlete burnout. Support was also found for the hypothesis that high hope individuals would experience less stress and therefore less burnout. Promoting hope may be relevant in reducing the likelihood of this detrimental syndrome.  相似文献   
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We examined the role of single features and feature configurations in the effect of schematic faces on rated threat. A total of 101 medical students rated their emotional impression of schematic facial stimuli using semantic differential scales (Activity, Negative Valence, and Potency). In different parts of the experiment, the ratings concerned single features, eyebrow‐mouth configurations, or complete faces. Although eyebrows emerged as the overall most important feature, the effect of features was modulated by configuration. Simple configurations of eyebrows and mouth appeared to convey threat and nonthreat in a way highly similar to that of complete faces. In most cases, the configurations of eyebrows and mouth could significantly predict the effect of the complete faces.  相似文献   
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