Heritability of specific language impairment depends on diagnostic criteria.
Heritability estimates for specific language impairment (SLI) have been inconsistent. Four twin studies reported heritability of 0.5 or more, but a recent report from the Twins Early Development Study found negligible genetic influence in 4-year-olds. We considered whether the method of ascertainmen...
Autori principali: | , |
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Natura: | Journal article |
Lingua: | English |
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2008
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