Heritability of non-speech auditory processing skills.

European Journal of Human Genetics : EJHG
Carmen C BrewerDavid R Moore

Abstract

Recent insight into the genetic bases for autism spectrum disorder, dyslexia, stuttering, and language disorders suggest that neurogenetic approaches may also reveal at least one etiology of auditory processing disorder (APD). A person with an APD typically has difficulty understanding speech in background noise despite having normal pure-tone hearing sensitivity. The estimated prevalence of APD may be as high as 10% in the pediatric population, yet the causes are unknown and have not been explored by molecular or genetic approaches. The aim of our study was to determine the heritability of frequency and temporal resolution for auditory signals and speech recognition in noise in 96 identical or fraternal twin pairs, aged 6-11 years. Measures of auditory processing (AP) of non-speech sounds included backward masking (temporal resolution), notched noise masking (spectral resolution), pure-tone frequency discrimination (temporal fine structure sensitivity), and nonsense syllable recognition in noise. We provide evidence of significant heritability, ranging from 0.32 to 0.74, for individual measures of these non-speech-based AP skills that are crucial for understanding spoken language. Identification of specific heritable AP traits...Continue Reading

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Citations

Apr 17, 2019·International Journal of Audiology·Wayne J Wilson
Apr 4, 2020·Wiley Interdisciplinary Reviews. Cognitive Science·Enikő LadányiReyna L Gordon
Aug 24, 2017·Genes, Brain, and Behavior·S MascherettiC Marino
Nov 28, 2020·Neuroscience and Biobehavioral Reviews·Chiara AndreolaSimona Scaini

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