Ingroup categorization and response conflict: Interactive effects of target race, flanker compatibility, and infrequency on N2 amplitude

Psychophysiology
Cheryl L Dickter, Bruce D Bartholow

Abstract

Three largely independent lines of research have investigated experimental manipulations that influence the amplitude of the N2 component of the event-related brain potential (ERP), one linking heightened N2 amplitude to response conflict, another showing that N2 is sensitive to stimulus infrequency, and the third showing larger N2 amplitude during categorization of racial ingroup relative to racial outgroup targets. The purpose of this research was to investigate potential interactions between these three features on the amplitude of the N2. ERPs were recorded while participants completed a modified flanker task using pictures of ingroup and outgroup faces. Results showed a 3-way interaction, indicating that the N2 was largest for ingroup targets on high-conflict trials but only when such trials were relatively infrequent. Implications of these findings for theories of both conflict monitoring and person perception are discussed.

References

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Feb 22, 2005·Psychophysiology·Bruce D BartholowGabriele Gratton
May 26, 2005·Cognitive, Affective & Behavioral Neuroscience·Tiffany A Ito, Geoffrey R Urland
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Nov 6, 2008·Social Cognitive and Affective Neuroscience·Cheryl L Dickter, Bruce D Bartholow
Sep 4, 2009·Journal of Experimental Social Psychology·Sophie TrawalterJennifer A Richeson
Jul 1, 2009·Journal of Experimental Social Psychology·Bruce D BartholowSarah A Lust

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Citations

Sep 9, 2009·Social Cognitive and Affective Neuroscience·Erika A HenryJamie Arndt
Dec 10, 2013·Social Cognitive and Affective Neuroscience·David M AmodioTiffany A Ito
Apr 8, 2011·Biological Psychology·Peter E ClaysonMichael J Larson
Nov 4, 2011·International Journal of Psychology : Journal International De Psychologie·Lei JiaQinglin Zhang
Oct 23, 2015·Computational Intelligence and Neuroscience·Jia JinQingguo Ma
Jun 2, 2015·Frontiers in Human Neuroscience·Brandon L AldermanTracey J Shors
Jan 13, 2015·Social Neuroscience·Cheryl L DickterBlakely E Mulder
May 25, 2016·Social Cognitive and Affective Neuroscience·Daniela M PfabiganClaus Lamm
Nov 1, 2016·Social Cognitive and Affective Neuroscience·Karolina HansenHolger Wiese
Oct 5, 2017·The European Journal of Neuroscience·Lucile GamondJulie Grèzes
Mar 25, 2017·Frontiers in Neuroscience·Qian ShangXiaoyi Wang
Sep 19, 2020·Annual Review of Psychology·David M Amodio, Mina Cikara
Apr 17, 2021·Consciousness and Cognition·Yuecui KanHaijun Duan
Aug 14, 2021·CBE Life Sciences Education·Yannick Skelling-DesmeulesPatrick Charland

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