Source localization (LORETA) of the error-related-negativity (ERN/Ne) and positivity (Pe)

被引：337

作者：

Herrmann, MJ ^{[1
]}

Römmler, J ^{[1
]}

Ehlis, AC ^{[1
]}

Heidrich, A ^{[1
]}

Fallgatter, AJ ^{[1
]}

机构：

[1] Univ Hosp Wurzburg, Dept Psychiat & Psychotherapy, D-97080 Wurzburg, Germany

来源：

COGNITIVE BRAIN RESEARCH | 2004年 / 20卷 / 02期

关键词：

error-related negativity (ERN/Ne); Pe; source localization; LORETA; event-related potentials (ERPs); error processing;

D O I：

10.1016/j.cogbrainres.2004.02.013

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We investigated error processing of 39 subjects engaging the Eriksen flanker task. In all 39 subjects a pronounced negative deflection (ERN/Ne) and a later positive component (Pe) were observed after incorrect as compared to correct responses. The neural sources of both components were analyzed using LORETA source localization. For the negative component (ERN/Ne) we found significantly higher brain electrical activity in medial prefrontal areas for incorrect responses, whereas the positive component (Pe) was localized nearby but more rostral within the anterior cingulate cortex (ACC). Thus, different neural generators were found for the ERN/Ne and the Pe, which further supports the notion that both error-related components represent different aspects of error processing. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：294 / 299

页数：6

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