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N200 in the flanker task as a neurobehavioral tool for investigating executive control

KOPP, BRUNO, RIST, FRED, MATTLER, UWE·1996·Psychophysiology

Abstract

Event‐related potentials were recorded in a flanker task using arrowheads pointing to the left or to the right as targets and as congruent or incongruent flanker stimuli using squares as neutral flanker stimuli. The onset of the flanker stimuli preceded that of the target stimuli byt 100 ms. Lateralized readiness potentials showed response activation below execution threshold in correspondence to the information conveyed by the flanker stimuli. Exclusively, the incongruent flanker condition provoked a N2c, which evolved closely synchronized to the erroneous response. Graded response analyses separating incongruent trials with weak, medium, and strong incorrect response activation revealed that the N2c amplitude covaried with the magnitude of the erroneous response. The N2c in the incongruent compatibility condition of the flanker task thus corresponds to the avoidance of inappropriate responses, possibly reflecting the inhibition of automatically but erroneously primed responses. The results are compatible with studies of error correction, suggesting that efference monitoring is a constituent of executive control.

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Crossref · 10.1111/j.1469-8986.1996.tb00425.x

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Metadata

Authors
KOPP, B., RIST, F., & MATTLER, U.
Venue
Psychophysiology
Publisher
Wiley
Published
1996-05
Volume
33
Issue
3
Pages
282-294
ISSN
  • 0048-5772 (ISSN-L)
  • 1469-8986
OpenAlex
W1977458372
Cited by
618
References
4
FWCI
2.97
Type
journal article
Language
en
Open access
closed

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