Dissociating EEG sources linked to stimulus and response evaluation in numerical Stroop task using Independent Component Analysis

Highlights • There are two sources of neural activity contributing to N450 effect. • Posterior and anterior cingulate cortices’ functions can be linked to stimulus and response evaluation respectively. • ERP analysis conducted on clusters of ICs provided more insight than the channels’ ERP analysis....

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Bibliographic Details
Published in:Clinical neurophysiology 2015-05, Vol.126 (5), p.914-926
Main Authors: Beldzik, Ewa, Domagalik, Aleksandra, Froncisz, Wojciech, Marek, Tadeusz
Format: Article
Language:English
Subjects:
Brain Mapping - methods
Electroencephalography - methods
ERN
ERP
Evoked Potentials - physiology
Female
Gyrus Cinguli - physiology
Humans
ICA
Male
N450
Neurology
Numerical Stroop
P3b
Principal Component Analysis - methods
Reaction Time - physiology
Stroop Test
Young Adult
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Summary:Highlights • There are two sources of neural activity contributing to N450 effect. • Posterior and anterior cingulate cortices’ functions can be linked to stimulus and response evaluation respectively. • ERP analysis conducted on clusters of ICs provided more insight than the channels’ ERP analysis.
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2014.08.009