Single-trial EEG-fMRI coupling of the emotional auditory early posterior negativity

NeuroImage
Fern Jaspers-FayerChristoph Mulert

Abstract

Event-related potential (ERP) studies in the visual domain often report an emotion-evoked early posterior negativity (EPN). Studies in the auditory domain have recently shown a similar component. Little source localization has been done on the visual EPN, and no source localization has been done on the auditory EPN. The aim of the current study was to identify the neural generators of the auditory EPN using EEG-fMRI single-trial coupling. Data were recorded from 19 subjects who completed three auditory choice reaction tasks: (1) a control task using neutral tones; (2) a prosodic emotion task involving the categorization of syllables; and (3) a semantic emotion task involving the categorization of words. The waveforms of the emotion tasks diverged from the neutral task over parietal scalp during a very early time window (132-156 ms) and later during a more traditional EPN time window (252-392 ms). In the EEG-fMRI analyses, the variance of the voltage in the earlier time window was correlated with activity in the medial prefrontal cortex, but only in the word task. In the EEG-fMRI analyses of the traditional EPN time window both emotional tasks covaried with activity in the left superior parietal lobule. Our results support previ...Continue Reading

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Citations

Nov 12, 2013·Neuroscience Bulletin·Zhihua HuangChangle Zhou
Sep 11, 2013·Psychophysiology·Patrick L CarolanMario Liotti
Jun 5, 2013·NeuroImage·João JorgePatrícia Figueiredo
Apr 15, 2015·Frontiers in Psychology·Anna HatzidakiAlbert Costa
Jul 28, 2016·Frontiers in Human Neuroscience·Annika GrassAnnekathrin Schacht
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Jun 14, 2019·Frontiers in Human Neuroscience·Qiang LiXingcong Zhao
Dec 6, 2020·Experimental Brain Research·Ezgi Özoğlu, Roland Thomaschke
Sep 30, 2017·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Martin WegrzynJohanna Kissler

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