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Atypical neural responses to vocal anger in attention-deficit/hyperactivity disorder

Atypical neural responses to vocal anger in attention-deficit/hyperactivity disorder
Atypical neural responses to vocal anger in attention-deficit/hyperactivity disorder
Background
Deficits in facial emotion processing, reported in attention-deficit/hyperactivity disorder (ADHD), have been linked to both early perceptual and later attentional components of event-related potentials (ERPs). However, the neural underpinnings of vocal emotion processing deficits in ADHD have yet to be characterised. Here, we report the first ERP study of vocal affective prosody processing in ADHD.

Methods
Event-related potentials of 6–11-year-old children with ADHD (n = 25) and typically developing controls (n = 25) were recorded as they completed a task measuring recognition of vocal prosodic stimuli (angry, happy and neutral). Audiometric assessments were conducted to screen for hearing impairments.

Results
Children with ADHD were less accurate than controls at recognising vocal anger. Relative to controls, they displayed enhanced N100 and attenuated P300 components to vocal anger. The P300 effect was reduced, but remained significant, after controlling for N100 effects by rebaselining. Only the N100 effect was significant when children with ADHD and comorbid conduct disorder (n = 10) were excluded.

Conclusion
This study provides the first evidence linking ADHD to atypical neural activity during the early perceptual stages of vocal anger processing. These effects may reflect preattentive hyper-vigilance to vocal anger in ADHD.
0021-9630
Chronaki, Georgia
3b00f885-0772-423f-ac68-a5f35b75993f
Benikos, Nicholas
fc863d81-18f4-4ee8-be13-185ad613189d
Fairchild, Graeme
f99bc911-978e-48c2-9754-c6460666a95f
Sonuaga-Barke, Edmund J.S.
af77c9b5-b78e-4018-b6c8-580d4fb53a18
Chronaki, Georgia
3b00f885-0772-423f-ac68-a5f35b75993f
Benikos, Nicholas
fc863d81-18f4-4ee8-be13-185ad613189d
Fairchild, Graeme
f99bc911-978e-48c2-9754-c6460666a95f
Sonuaga-Barke, Edmund J.S.
af77c9b5-b78e-4018-b6c8-580d4fb53a18

Chronaki, Georgia, Benikos, Nicholas, Fairchild, Graeme and Sonuaga-Barke, Edmund J.S. (2014) Atypical neural responses to vocal anger in attention-deficit/hyperactivity disorder. Journal of Child Psychology & Psychiatry. (doi:10.1111/jcpp.12312).

Record type: Article

Abstract

Background
Deficits in facial emotion processing, reported in attention-deficit/hyperactivity disorder (ADHD), have been linked to both early perceptual and later attentional components of event-related potentials (ERPs). However, the neural underpinnings of vocal emotion processing deficits in ADHD have yet to be characterised. Here, we report the first ERP study of vocal affective prosody processing in ADHD.

Methods
Event-related potentials of 6–11-year-old children with ADHD (n = 25) and typically developing controls (n = 25) were recorded as they completed a task measuring recognition of vocal prosodic stimuli (angry, happy and neutral). Audiometric assessments were conducted to screen for hearing impairments.

Results
Children with ADHD were less accurate than controls at recognising vocal anger. Relative to controls, they displayed enhanced N100 and attenuated P300 components to vocal anger. The P300 effect was reduced, but remained significant, after controlling for N100 effects by rebaselining. Only the N100 effect was significant when children with ADHD and comorbid conduct disorder (n = 10) were excluded.

Conclusion
This study provides the first evidence linking ADHD to atypical neural activity during the early perceptual stages of vocal anger processing. These effects may reflect preattentive hyper-vigilance to vocal anger in ADHD.

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More information

e-pub ahead of print date: 13 August 2014
Published date: 13 August 2014
Organisations: Psychology

Identifiers

Local EPrints ID: 368295
URI: https://eprints.soton.ac.uk/id/eprint/368295
ISSN: 0021-9630
PURE UUID: 3030c5ec-eee4-4dea-908d-e2e2fc6916dc
ORCID for Graeme Fairchild: ORCID iD orcid.org/0000-0001-7814-9938

Catalogue record

Date deposited: 26 Aug 2014 13:53
Last modified: 07 Aug 2019 00:37

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