Article
Heritability estimation for speech-sound traits with developmental trajectories.
Behavior genetics - 1 Mar 2011
Stein Catherine M, Lu Qing, Elston Robert C, Freebairn Lisa A, Hansen Amy J, Shriberg Lawrence D, Taylor H Gerry, Lewis Barbara A, Iyengar Sudha K
Abstract excerpt
Numerous studies have examined genetic influences on developmental problems such as speech sound disorders (SSD), language impairment (LI), and reading disability. Disorders such as SSD are often analyzed using their component endophenotypes. Most studies, however, have involved comparisons of twin pairs or siblings of similar age, or have adjusted for age ignoring effects that are peculiar to age-related...
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