In:
Psychophysiology, Wiley, Vol. 51, No. 8 ( 2014-08), p. 761-772
Abstract:
The present study investigated the modulation of the N 2 and the correct‐related negativity ( CRN ) by conflict frequency. Conflict costs, as measured by reaction times and error rate, were reduced with increasing conflict frequency, indicating improved conflict resolution. N 2 amplitudes in incompatible trials increased with higher conflict frequency, while postresponse CRN amplitudes decreased. In concert with behavioral findings of reduced conflict costs and greater interference suppression, the increase of N 2 might reflect enhanced conflict resolution during stimulus processing. The CRN , however, might reflect postresponse implementation of cognitive control, which is reduced when conflict is already adequately resolved during stimulus processing. Furthermore, N 2 and CRN in incompatible trials were inversely related on the between‐ and within‐subject level, implying that the two modes of implementing cognitive control are applied complementarily.
Type of Medium:
Online Resource
ISSN:
0048-5772
,
1469-8986
DOI:
10.1111/psyp.2014.51.issue-8
Language:
English
Publisher:
Wiley
Publication Date:
2014
detail.hit.zdb_id:
1484299-3
SSG:
5,2
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