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N450 and LPC Event-Related Potential Correlates of an Emotional Stroop Task with Words Differing in Valence and Emotional Origin

Overview of attention for article published in Frontiers in Psychology, May 2017
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Title
N450 and LPC Event-Related Potential Correlates of an Emotional Stroop Task with Words Differing in Valence and Emotional Origin
Published in
Frontiers in Psychology, May 2017
DOI 10.3389/fpsyg.2017.00880
Pubmed ID
Authors

Kamil K. Imbir, Tomasz Spustek, Joanna Duda, Gabriela Bernatowicz, Jarosław Żygierewicz

Abstract

Affective meaning of verbal stimuli was found to influence cognitive control as expressed in the Emotional Stroop Task (EST). Behavioral studies have shown that factors such as valence, arousal, and emotional origin of reaction to stimuli associated with words can lead to lengthening of reaction latencies in EST. Moreover, electrophysiological studies have revealed that affective meaning altered amplitude of some components of evoked potentials recorded during EST, and that this alteration correlated with the performance in EST. The emotional origin was defined as processing based on automatic vs. reflective mechanisms, that underlines formation of emotional reactions to words. The aim of the current study was to investigate, within the framework of EST, correlates of processing of words differing in valence and origin levels, but matched in arousal, concreteness, frequency of appearance and length. We found no behavioral differences in response latencies. When controlling for origin, we found no effects of valence. We found the effect of origin on ERP in two time windows: 290-570 and 570-800 ms. The earlier effect can be attributed to cognitive control while the latter is rather the manifestation of explicit processing of words. In each case, reflective originated stimuli evoked more positive amplitudes compared to automatic originated words.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 53 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 53 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 13%
Researcher 6 11%
Professor > Associate Professor 6 11%
Student > Master 5 9%
Student > Doctoral Student 4 8%
Other 5 9%
Unknown 20 38%
Readers by discipline Count As %
Psychology 17 32%
Neuroscience 5 9%
Linguistics 3 6%
Computer Science 2 4%
Medicine and Dentistry 2 4%
Other 6 11%
Unknown 18 34%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 03 June 2017.
All research outputs
#18,552,700
of 22,977,819 outputs
Outputs from Frontiers in Psychology
#22,408
of 30,147 outputs
Outputs of similar age
#241,115
of 316,100 outputs
Outputs of similar age from Frontiers in Psychology
#509
of 607 outputs
Altmetric has tracked 22,977,819 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
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