Article
Grammar Clinical Marker Yields Substantial Heritability for Language Impairments in 16-Year-Old Twins.
Journal of speech, language, and hearing research : JSLHR - 22 Jan 2018
Dale Philip S, Rice Mabel L, Rimfeld Kaili, Hayiou-Thomas Marianna E
Abstract excerpt
Purpose: There is a need for well-defined language phenotypes suitable for adolescents in twin studies and other large-scale research projects. Rice, Hoffman, and Wexler (2009) have developed a grammatical judgment measure as a clinical marker of language impairment, which has an extended developmental range to adolescence. Method: We conducted the first twin analysis, along with associated phenotypic analyses of...
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