کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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6264182 | 1613965 | 2012 | 13 صفحه PDF | دانلود رایگان |
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The affective priming paradigm has been studied extensively and applied in many fields during the past two decades. Most research thus far has focused on the valence dimension. Whether emotional arousal influences affective priming remains poorly understood. The present study demonstrates how arousal impacts evaluation of affective words using reaction time and event-related potential (ERP) measures. Eighteen younger subjects evaluated pleasantness of target words after seeing affective pictures as primes. The participants' responses were faster and/or more accurate for valence-congruent trials than for incongruent trials, particularly with high-arousal stimuli. An ERP affective priming effect (N400) also occurred mainly in high-arousing stimulus pairs. In addition, whereas valence congruency influenced both the N400 and the LPP, arousal congruency influenced only the LPP, suggesting that arousal congruency mainly modulates post-semantic processes, but valence congruency effects begin with semantic processes. Overall, our current findings indicate that the arousal level of visual images impacts both behavioral and ERP effects of affective priming.
⺠Whether emotional arousal influences affective priming remains poorly understood. ⺠Whereas valence congruency influenced both the N400 and the LPP, arousal congruency influenced only the LPP. ⺠Arousal congruency mainly modulates post-semantic processes. Arousal level of images impacts behavioral and ERP effects of affective priming.
Journal: Brain Research - Volume 1474, 20 September 2012, Pages 60-72