Bernat Edward, Patrick Christopher J, Benning Stephen D, Tellegen Auke
Department of Psychology, University of Minnesota-Twin Cities, Minneapolis, Minnesota 55455, USA.
Psychophysiology. 2006 Jan;43(1):93-103. doi: 10.1111/j.1469-8986.2006.00380.x.
This study evaluated the effects of affective intensity and thematic content of foreground photographic stimuli on various physiological response systems. This was accomplished by assessing responses to pictures that varied systematically in these parameters. Along with overall effects of picture valence reported in previous work, we found effects of thematic content (i.e., specific nature of objects/events depicted) for all measures except heart rate. In addition, we found that the magnitude of startle blink, skin conductance, and corrugator muscle reactions increased with increasing affective intensity of pictures. Additionally, for these three measures, intensity effects also interacted with effects of picture content. These results indicate that stimulus parameters of intensity and thematic content exert separate-and in some cases interactive-modulatory effects on physiological reactions to emotional pictures.
本研究评估了前景摄影刺激的情感强度和主题内容对各种生理反应系统的影响。这是通过评估对在这些参数上系统变化的图片的反应来实现的。除了先前研究中报道的图片效价的总体影响外，我们发现除心率外，所有测量指标都存在主题内容（即所描绘物体/事件的具体性质）的影响。此外，我们发现惊吓眨眼、皮肤电导率和皱眉肌反应的幅度随着图片情感强度的增加而增大。此外，对于这三个测量指标，强度效应也与图片内容的效应相互作用。这些结果表明，强度和主题内容的刺激参数对情绪图片的生理反应分别产生影响，并且在某些情况下相互作用。
