An EPR Study of the Cognitive Processes Underlying the Impact of Self-relevant Information on Emotional Word Processing

Overview

Journal BMC Psychol

Publisher Biomed Central

Specialty Psychology

Date 2024 Feb 23

PMID 38389094

Authors

Ping Zhang

Yidan Song

Endale Tadesse

Sabika Khalid

Chunhai Gao

Weijun Li

Affiliations

Soon will be listed here.

Abstract

Using the event-related potentials (ERPs) technique, this study successively presented names (in either a supra- or subthreshold manner) and emotional words to examine how self-relevant cue (self-name) affects emotional word processing in word class judgment task (to determine whether an emotional word is a noun or adjective) and valence judgment task (to determine whether an emotional word is positive or negative). At the suprathreshold condition, self-relevant positive words elicited a more significant Early posterior negativity (EPN) than negative words only in the valence judgment task. In contrast, at the subthreshold condition, self-relevant negative words elicited an enhanced Late positive potential (LPP) than positive words only in the word class judgment task. These results indicate that self-relevant cue affects emotional word processing at both suprathreshold and subthreshold conditions; nevertheless, the effect manifests as self-positive bias at the suprathreshold condition and self-negative bias at the subthreshold condition. The experimental task modulates these dynamics.

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