Journal
NEUROREPORT
Volume 20, Issue 8, Pages 776-781Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/WNR.0b013e32832b02fe
Keywords
conditioning; early posterior negativity; emotion; emotional Stroop; event-related potential; P3
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There is evidence that early event-related potential components, such as the early posterior negativity (EPN; 200-300 ms), are modulated by emotional words. This study addressed the automaticity of this early response in an emotional Stroop task. The results show that the EPN was modulated by emotional connotation. In addition, an enhanced frontal P3 and an enhanced, more broadly distributed, late positive potential emerged as response to emotional words. The present results suggest that this early event-related potential activity represents the fast and automatic processing of emotional words. Furthermore, as the EPN originates from the posterior visual association cortex, the present results suggest a role of these areas in the automatic processing of emotional connotation. NeuroReport 20:776-781 (C) 2009 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.
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