Distinct ERP profiles for auditory processing in infants at-risk for autism and language impairment

Valentina Riva, Chiara Cantiani, Giulia Mornati, Martina Gallo, Laura Villa, Elisa Mani, Irene Saviozzi, Cecilia Marino, Massimo Molteni

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Early identification of autism spectrum disorder (ASD) is crucial for the formulation of effective intervention programs. Language deficits may be a hallmark feature of ASD and language delay observed in ASD shows striking similarities to that observed in children with language impairment (LI). Auditory processing deficits are seen in both LI and ASD, however, they have not previously been compared directly using Event-Related Potentials (ERPs) in the two at-risk populations. This study aims to characterize infants at-risk for ASD (HR-ASD) at the electrophysiological level and to compare them with infants at-risk for LI (HR-LI) and controls, to find specific markers with predictive value. At 12-month-old, auditory processing in HR-ASD, HR-LI and controls was characterized via ERP oddball paradigm. All infants were then evaluated at 20 months, to investigate the associations between auditory processing and language/ASD-related outcomes. In both HR-ASD and HR-LI, mismatch response latency was delayed compared to controls, whereas only HR-ASD showed overall larger P3 amplitude compared to controls. Interestingly, these ERP measures correlated with later expressive vocabulary and M-CHAT critical items in the whole sample. These results may support the use of objective measurement of auditory processing to delineate pathophysiological mechanisms in ASD, as compared to LI.

Original languageEnglish
Article number715
Number of pages11
JournalScientific Reports
Volume8
Issue number1
DOIs
Publication statusPublished - Dec 1 2018

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Autistic Disorder
Evoked Potentials
Language
Autism Spectrum Disorder
Language Development Disorders
Child Language
Vocabulary
Reaction Time

ASJC Scopus subject areas

  • General

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Distinct ERP profiles for auditory processing in infants at-risk for autism and language impairment. / Riva, Valentina; Cantiani, Chiara; Mornati, Giulia; Gallo, Martina; Villa, Laura; Mani, Elisa; Saviozzi, Irene; Marino, Cecilia; Molteni, Massimo.

In: Scientific Reports, Vol. 8, No. 1, 715, 01.12.2018.

Research output: Contribution to journalArticle

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