Genome-wide association study and polygenic risk score analysis for hearing measures in children
Abstract
An efficient auditory system contributes to cognitive and psychosocial development. A right ear advantage in hearing thresholds (HTs) has been described in adults and atypical patterns of left/right hearing threshold asymmetry (HTA) have been described for psychiatric and neurodevelopmental conditions. Previous genome-wide association studies (GWASs) on HT have mainly been conducted in elderly participants whose hearing is more likely to be affected by external environmental factors. Here, we investigated HT and HTA in a children population cohort (ALSPAC, n = 6,743). Better hearing was associated with better cognitive performance and higher socioeconomic status. At the group level, HTA suggested a left ear advantage (mean = −0.28 dB) that was mainly driven by females. SNP heritability for HT and HTA was 0.13 and 0.02, respectively (n = 4,989). We found a modest negative genetic correlation between HT and reading ability. GWAS for HT (n = 5,344) did not yield significant hits but polygenic risk scores for higher educational attainment (EA, ß = −1,564.72, p = .008) and schizophrenia (ß = −241.14, p = .004) were associated with lower HT, that is, better hearing. In summary, we report new data supporting associations between hearing measures and cognitive abilities at the behavioral level. Genetic analysis suggests shared biological pathways between cognitive and sensory systems and provides evidence for a positive outcome of genetic risk for schizophrenia.
Citation
Schmitz , J , Abbondanza , F & Paracchini , S 2021 , ' Genome-wide association study and polygenic risk score analysis for hearing measures in children ' , American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics , vol. Early View . https://doi.org/10.1002/ajmg.b.32873
Publication
American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
Status
Peer reviewed
ISSN
1552-4841Type
Journal article
Description
Funding information: Deutsche Forschungsgemeinschaft, Grant/Award Number: SCHM 3530/1-1 (418445085); Royal Society, Grant/Award Number: UF150663; UK Medical Research Council and Wellcome, Grant/Award Number: 217065/Z/19/Z; Wellcome Trust, Grant/Award Number: 105621/Z/14/ZCollections
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