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| Content Provider | Springer Nature Link |
|---|---|
| Author | Delaney Busch, Nathaniel Wilkie, Gianna Kuperberg, Gina |
| Copyright Year | 2016 |
| Abstract | In this study, we used event-related potentials to examine how different dimensions of emotion—valence and arousal—influence different stages of word processing under different task demands. In two experiments, two groups of participants viewed the same single emotional and neutral words while carrying out different tasks. In both experiments, valence (pleasant, unpleasant, and neutral) was fully crossed with arousal (high and low). We found that the task made a substantial contribution to how valence and arousal modulated the late positive complex (LPC), which is thought to reflect sustained evaluative processing (particularly of emotional stimuli). When participants performed a semantic categorization task in which emotion was not directly relevant to task performance, the LPC showed a larger amplitude for high-arousal than for low-arousal words, but no effect of valence. In contrast, when participants performed an overt valence categorization task, the LPC showed a large effect of valence (with unpleasant words eliciting the largest positivity), but no effect of arousal. These data show not only that valence and arousal act independently to influence word processing, but that their relative contributions to prolonged evaluative neural processes are strongly influenced by the situational demands (and by individual differences, as revealed in a subsequent analysis of subjective judgments). |
| Starting Page | 415 |
| Ending Page | 432 |
| Page Count | 18 |
| File Format | |
| ISSN | 15307026 |
| Journal | Cognitive, Affective, & Behavioral Neuroscience |
| Volume Number | 16 |
| Issue Number | 3 |
| e-ISSN | 1531135X |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2016-01-29 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Event-related potentials ERP LPC LPP Late positivity Emotion Valence Arousal Language Word processing Task Cognitive Psychology Neurosciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cognitive Neuroscience Behavioral Neuroscience |
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