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Isolating N400 as neural marker of vocal anger processing in 6-11-year old children

Isolating N400 as neural marker of vocal anger processing in 6-11-year old children
Isolating N400 as neural marker of vocal anger processing in 6-11-year old children
Introduction

Vocal anger is a salient social signal serving adaptive functions in typical child development. Despite recent advances in the developmental neuroscience of emotion processing with regard to visual stimuli, little remains known about the neural correlates of vocal anger processing in childhood. This study represents the first attempt to isolate a neural marker of vocal anger processing in children using electrophysiological methods.

Methods

We compared ERP wave forms during the processing of non-word emotional vocal stimuli in a population sample of 55 6–11-year-old typically developing children. Children listened to three types of stimuli expressing angry, happy, and neutral prosody and completed an emotion identification task with three response options (angry, happy and neutral/‘ok’).

Results

A distinctive N400 component which was modulated by emotional content of vocal stimulus was observed in children over parietal and occipital scalp regions—amplitudes were significantly attenuated to angry compared to happy and neutral voices.

Discussion

Findings of the present study regarding the N400 are compatible with adult studies showing reduced N400 amplitudes to negative compared to neutral emotional stimuli. Implications for studies of the neural basis of vocal anger processing in children are discussed.
vocal, erp, N400, children
1878-9293
268-276
Chronaki, Georgia
3b00f885-0772-423f-ac68-a5f35b75993f
Broyd, Samantha J.
3ff5fb0f-f452-4e84-a260-8e5853f701a3
Garner, Matthew J.
3221c5b3-b951-4fec-b456-ec449e4ce072
Hadwin, Julie A.
a364caf0-405a-42f3-a04c-4864817393ee
Thompson, M.J.
bfe8522c-b252-4771-8036-744e93357c67
Sonuga-Barke, Edmund J.S.
bc80bf95-6cf9-4c76-a09d-eaaf0b717635
Chronaki, Georgia
3b00f885-0772-423f-ac68-a5f35b75993f
Broyd, Samantha J.
3ff5fb0f-f452-4e84-a260-8e5853f701a3
Garner, Matthew J.
3221c5b3-b951-4fec-b456-ec449e4ce072
Hadwin, Julie A.
a364caf0-405a-42f3-a04c-4864817393ee
Thompson, M.J.
bfe8522c-b252-4771-8036-744e93357c67
Sonuga-Barke, Edmund J.S.
bc80bf95-6cf9-4c76-a09d-eaaf0b717635

Chronaki, Georgia, Broyd, Samantha J., Garner, Matthew J., Hadwin, Julie A., Thompson, M.J. and Sonuga-Barke, Edmund J.S. (2012) Isolating N400 as neural marker of vocal anger processing in 6-11-year old children. Developmental Cognitive Neuroscience, 2 (2), 268-276. (doi:10.1016/j.dcn.2011.11.007). (PMID:22483076)

Record type: Article

Abstract

Introduction

Vocal anger is a salient social signal serving adaptive functions in typical child development. Despite recent advances in the developmental neuroscience of emotion processing with regard to visual stimuli, little remains known about the neural correlates of vocal anger processing in childhood. This study represents the first attempt to isolate a neural marker of vocal anger processing in children using electrophysiological methods.

Methods

We compared ERP wave forms during the processing of non-word emotional vocal stimuli in a population sample of 55 6–11-year-old typically developing children. Children listened to three types of stimuli expressing angry, happy, and neutral prosody and completed an emotion identification task with three response options (angry, happy and neutral/‘ok’).

Results

A distinctive N400 component which was modulated by emotional content of vocal stimulus was observed in children over parietal and occipital scalp regions—amplitudes were significantly attenuated to angry compared to happy and neutral voices.

Discussion

Findings of the present study regarding the N400 are compatible with adult studies showing reduced N400 amplitudes to negative compared to neutral emotional stimuli. Implications for studies of the neural basis of vocal anger processing in children are discussed.

Full text not available from this repository.

More information

e-pub ahead of print date: 7 December 2011
Published date: 1 April 2012
Keywords: vocal, erp, N400, children
Organisations: Psychology

Identifiers

Local EPrints ID: 204785
URI: https://eprints.soton.ac.uk/id/eprint/204785
ISSN: 1878-9293
PURE UUID: 8fe589d5-2603-46ea-a47e-7b1be80b2eba

Catalogue record

Date deposited: 24 Jan 2012 18:02
Last modified: 18 Jul 2017 11:05

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