کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
931447 | 1474460 | 2010 | 9 صفحه PDF | دانلود رایگان |
Effects of emotional word meaning have been studied exclusively for words in isolation but not in the context of sentences. We addressed this question within the framework of two-dimensional models of affect, conceiving emotion as a function of valence and arousal. Negative and neutral target verbs, embedded within sentences, were presented while event-related brain potentials (ERPs) and the activity of the Corrugator muscle were recorded. Twenty-one participants performed a semantic decision task on the target verbs. In contrast to single word studies no early posterior negativity was present. However, emotion effects in ERPs were evident in a late positive complex (LPC) for negative, high-arousal words in comparison to neutral words. Interestingly, the LPC was unaffected by pure arousal variation when valence was controlled for, indicating the importance of valence for this emotion-related ERP effect.
Research Highlights
► For the first time, emotion effects to words were investigated within sentence contexts.
► Emotionally negative, highly arousing verbs enhanced LPC amplitudes.
► Pure arousal manipulations elicited a negativity over the vertex.
► Corrugator activity was sensitive to negative valence, but not to arousal manipulations.
Journal: International Journal of Psychophysiology - Volume 78, Issue 3, December 2010, Pages 299–307