Article
Late language emergence in 24-month-old twins: heritable and increased risk for late language emergence in twins.
Journal of speech, language, and hearing research : JSLHR - 1 Jun 2014
Rice Mabel L, Zubrick Stephen R, Taylor Catherine L, Gayán Javier, Bontempo Daniel E
Abstract excerpt
PURPOSE: This study investigated the etiology of late language emergence (LLE) in 24-month-old twins, considering possible twinning, zygosity, gender, and heritability effects for vocabulary and grammar phenotypes. METHOD: A population-based sample of 473 twin pairs participated. Multilevel model...
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