The pupil as a measure of emotional arousal and autonomic activation
The pupil as a measure of emotional arousal and autonomic activation
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DOI：
10.1111/j.1469-8986.2008.00654.x
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发表时间：
2008-07-01
期刊：
影响因子：
3.7
通讯作者：
Lang, Peter J.
中科院分区：
文献类型：
--
作者：
Bradley, Margaret M.;Miccoli, Laura;Lang, Peter J.
在观看图片时监测瞳孔直径，以评估快乐效价和情绪唤醒对瞳孔反应的影响。同时测量自主神经活动（心率和皮肤电导）以确定瞳孔变化是否由副交感神经或交感神经激活介导。在最初的光线反射之后，当观看情绪激动的图片时，瞳孔的变化更大，无论这些图片是令人愉快的还是令人不愉快的。瞳孔在观看图片时的变化与皮肤电导的变化是共同变化的，这支持了交感神经系统活动在情感观看图片时调节这些变化的解释。综上所述，这些数据有力地支持了一个假设，即学生在情感性观看图片时的反应反映了与交感神经活动增加相关的情绪唤起。
Pupil diameter was monitored during picture viewing to assess effects of hedonic valence and emotional arousal on pupillary responses. Autonomic activity (heart rate and skin conductance) was concurrently measured to determine whether pupillary changes are mediated by parasympathetic or sympathetic activation. Following an initial light reflex, pupillary changes were larger when viewing emotionally arousing pictures, regardless of whether these were pleasant or unpleasant. Pupillary changes during picture viewing covaried with skin conductance change, supporting the interpretation that sympathetic nervous system activity modulates these changes in the context of affective picture viewing. Taken together, the data provide strong support for the hypothesis that the pupil's response during affective picture viewing reflects emotional arousal associated with increased sympathetic activity.