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141.
Deception has been reported to be influenced by task-relevant emotional information from an external stimulus. However, it remains unclear how task-irrelevant emotional information would influence deception. In the present study, facial expressions of different valence and emotion intensity were presented to participants, where they were asked to make either truthful or deceptive gender judgments according to the preceding cues. We observed the influence of facial expression intensity upon individuals’ cognitive cost of deceiving (mean difference of individuals’ truthful and deceptive response times). Larger cost was observed for high intensity faces compared to low intensity faces. These results provided insights on how automatic attraction of attention evoked by task-irrelevant emotional information in facial expressions influenced individuals’ cognitive cost of deceiving. 相似文献
142.
We examined the role of stress exposure on gender differences in hostile (emotional and behavioral) reactions within the context of a laboratory paradigm. Aggressive behavior was indexed via the intensity (overt) and the duration (covert) of putative shocks delivered to a confederate. Half of the participants were exposed to a chronic stressor (high stress) and half were not (low stress). Participants' emotional responses were measured via self-report mood ratings before and after the experiment. Men displayed higher aggression in both stress conditions, which corresponded to their ratings of state hostility. On the other hand, women in high stress delivered lower intensity shocks, and this decreased overt aggression was positively correlated with sadness ratings. However, women did not decrease their levels of shock duration (covert aggression) under high stress and showed equivalent shock duration compared with men in high stress. These findings are discussed in terms of differential overt manifestations of distress between men and women. 相似文献
143.
广告中性别刻板印象信息的内隐效应 总被引:2,自引:1,他引:1
尝试采用以图片为实验材料及不同步骤的IAT程序测量广告中性别刻板印象的内隐效应及其操作强度,结果表明:(1)广告中的性别刻板印象具有很强的内隐效应;(2)高刻板化程度者具有更强的内隐性别刻板效应;(3)当刺激材料为图片时,不同的IAT程序测得的内隐性别刻板效应不同。 相似文献
144.
Anodal transcranial current stimulation (tDCS) to the left dorsolateral prefrontal cortex (DLPFC) has been shown to enhance working memory (WM) in neuropsychiatric patients. In healthy populations, however, tDCS obtains inconclusive results, mostly due to heterogeneous study and stimulation protocols. Here, we approached these issues by investigating effects of tDCS intensity on simultaneous WM performance with three cognitive loads by directly comparing findings of two double-blind, cross-over, sham-controlled experiments. TDCS was administrated to the left DLPFC at intensity of 1 mA (Experiment 1) or 2 mA (Experiment 2), while participants completed a verbal n-back paradigm (1-, 2-, 3-back). Analysis showed no overall effects of tDCS on WM, but a significant interaction with cognitive load. The present study suggests that cognitive load rather than tDCS intensity could be a decisive factor for effects on WM. Moreover, it emphasizes the need of thorough investigation on study parameters to develop more efficient stimulation protocols. 相似文献
145.
综合现有各种实验资料,推导对于同一个物理刺激,人的脑区激活水平和人的主观体验强度之间的定量关系,得到联系有关参量的一个数学公式. 相似文献
146.
由空气传递的声音刺激对胎儿呼吸及胎动的影响 总被引:1,自引:0,他引:1
采用回顾性研究方法考察了由空气传递的声音刺激对未足月与足月胎儿的呼吸性运动与胎动的影响.结果发现,胎儿通过呼吸运动的变化(如呼吸运动加速、减缓、停止/停顿等)及胎动来对外界刺激作出反应;而且这种反应在不同胎龄的胎儿间有显著的不同胎龄大的或足月的胎儿在有声音刺激条件下的呼吸运动变化比胎龄小的更多. 相似文献
147.
McClure EA Saulsgiver KA Wynne CD 《Journal of the experimental analysis of behavior》2010,94(1):57-68
Previous reports using stimulus intensity changes to disrupt temporal discrimination have shown shifts in the psychophysical curve for time, while studies using other disruptors have shown a flattening of the curve. The current study investigated the impact of increases and decreases in stimulus intensity on temporal discrimination in pigeons, to determine if a flattening of the curve could be extended to this disruptor. The brightness of the sample to be timed was manipulated under two procedural variations, in which the response alternatives were differentiated by color or location. Results showed that all subjects in the color procedure, and one in the location procedure, showed a flattening of the psychophysical curve when they experienced increased stimulus intensity in descending order. No subjects exposed to an ascending order of stimulus intensities, and none of the other subjects in the location procedure, showed any impact of changed stimulus intensity. Minimal disruption was found when test sessions presented decreased stimulus intensity levels in a second series. These results, together with those using other types of disruptors, add to the evidence of a flattening of the psychophysical curve when temporal discrimination is disrupted. 相似文献
148.
Research on creative artists has examined mainly their personality traits or cognitive abilities. However, it seems important to explore also their emotional traits to complete the profile. This study examines two emotional characteristics: alexithymia and affect intensity. Even if most research suggests that artists are less alexithymic and experience more intensively their emotions, Botella, M., Zenasni, F., and Lubart, T. (Psychology of Aesthetics, Creativity, and the Arts, 5 , 251, 2011) observed that art students were as alexithymic as psychology students and more alexithymic than a normative population. The aim of this study was to examine these issues with artists and non‐artists and to compare artists to art students. Results indicate that artists are less alexithymic and present higher affect intensity than non‐artists. Moreover, results show that art students present more difficulties processing their emotions than artists. 相似文献
149.
Mark R. Leary Kate J. Diebels Katrina P. Jongman-Sereno Xuan Duong Fernandez 《The Journal of social psychology》2015,155(6):559-575
People sometimes display strong emotional reactions to events that appear disproportionate to the tangible magnitude of the event. Although previous work has addressed the role that perceived disrespect and unfairness have on such reactions, this study examined the role of perceived social exchange rule violations more broadly. Participants (N = 179) rated the effects of another person’s behavior on important personal outcomes, the degree to which the other person had violated fundamental rules of social exchange, and their reactions to the event. Results showed that perceptions of social exchange rule violations accounted for more variance in participants’ reactions than the tangible consequences of the event. The findings support the hypothesis that responses that appear disproportionate to the seriousness of the eliciting event are often fueled by perceived rule violations that may not be obvious to others. 相似文献
150.
Motivational intensity modulates the effects of positive emotions on set shifting after controlling physiological arousal 下载免费PDF全文
Recent research on the construct of emotion suggests the integration of a motivational dimension into the traditional two‐dimension (subjective valence and physiological arousal) model. The motivational intensity of an emotional state should be taken into account while investigating the emotion‐cognition relationship. This study examined how positive emotional states varying in motivational intensity influenced set shifting, after controlling the potential confounding impacts of physiological arousal. In Experiment 1, 155 volunteers performed a set‐shifting task after being randomly assigned to five states: high‐ vs. low‐motivating positive affect (interest vs. serenity), high‐ vs. low‐motivating negative affect (disgust vs. anxiety), and neutral state. Eighty‐five volunteers participated in Experiment 2, which further examined the effects of higher vs. lower degree of interest. Both experiments measured and compared participants' physiological arousal (blood pressure and pulse rate) under the normal and experimental conditions as the covariate. Results showed no difference in switching performance between the neutral and serenity groups. As compared with the neutral state, the high‐motivating positive affect significantly increased set‐switching reaction time costs, but reduced error rate costs; the higher the motivational intensity, the greater the time‐costs impairment. This indicates a role of the high‐motivating positive affect in regulating the balance between the flexible and stable cognitive control. Motivational intensity also modulated the effects of negative emotional states, i.e., disgust caused a larger increase in time costs than anxiety. Further exploration into neurobiological mechanisms that may mediate the emotional effects on set shifting is warranted. 相似文献