Genetic and environmental influence on language impairment in 4-year-old same-sex and opposite-sex twins.

BACKGROUND: We investigated the aetiology of language impairment in 579 four-year-old twins with low language performance and their co-twins, members of 160 MZ twin pairs, 131 same-sex DZ pairs and 102 opposite-sex DZ pairs. METHODS: Language impairment in 4-year-olds was defined by scores below th...

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Sonraí bibleagrafaíochta
Príomhchruthaitheoirí: Viding, E, Spinath, F, Price, T, Bishop, D, Dale, P, Plomin, R
Formáid: Journal article
Teanga:English
Foilsithe / Cruthaithe: 2004

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