Impaired neural discrimination of emotional speech prosody in children with autism spectrum disorder and language impairment

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Lindstrom , R , Lepisto-Paisley , T , Vanhala , R , Alen , R & Kujala , T 2016 , ' Impaired neural discrimination of emotional speech prosody in children with autism spectrum disorder and language impairment ' , Neuroscience Letters , vol. 628 , pp. 47-51 . https://doi.org/10.1016/j.neulet.2016.06.016

Title: Impaired neural discrimination of emotional speech prosody in children with autism spectrum disorder and language impairment
Author: Lindstrom, R.; Lepisto-Paisley, T.; Vanhala, R.; Alen, R.; Kujala, T.
Other contributor: University of Helsinki, Behavioural Sciences
University of Helsinki, Children's Hospital
University of Helsinki, Behavioural Sciences







Date: 2016-08-15
Language: eng
Number of pages: 5
Belongs to series: Neuroscience Letters
ISSN: 0304-3940
DOI: https://doi.org/10.1016/j.neulet.2016.06.016
URI: http://hdl.handle.net/10138/225096
Abstract: Autism spectrum disorders (ASD) are characterized by deficient social and communication skills, including difficulties in perceiving speech prosody. The present study addressed processing of emotional prosodic changes (sad, scornful and commanding) in natural word stimuli in typically developed school aged children and in children with ASD and language impairment. We found that the responses to a repetitive word were diminished in amplitude in the children with ASD, reflecting impaired speech encoding. Furthermore, the amplitude of the MMN/LDN component, reflecting cortical discrimination of sound changes, was diminished in the children with ASD for the scornful deviant. In addition, the amplitude of the P3a, reflecting involuntary orienting to attention-catching changes, was diminished in the children with ASD for the scornful deviant and tended to be smaller for the sad deviant. These results suggest that prosody processing in ASD is impaired at various levels of neural processing, including deficient pre-attentive discrimination and involuntary orientation to speech prosody. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
Subject: Autism spectrum disorders
Prosody
Emotion
ERPs
Auditory processing
EVENT-RELATED POTENTIALS
ASPERGER-SYNDROME
ADOLESCENTS
PERCEPTION
ATTENTION
STIMULI
ADULTS
VOICE
515 Psychology
3123 Gynaecology and paediatrics
3112 Neurosciences
3124 Neurology and psychiatry
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