Article
Heritability and environmental effects for self-reported periods with stuttering: a twin study from Denmark.
Logopedics, phoniatrics, vocology - 1 Oct 2011
Fagnani Corrado, Fibiger Steen, Skytthe Axel, Hjelmborg Jacob V B
Abstract excerpt
Genetic influence for stuttering was studied based on adult self-reporting. Using nation-wide questionnaire answers from 33,317 Danish twins, a univariate biometric analysis based on the liability threshold model was performed in order to estimate the heritability of stuttering. The self-reported incidences for stuttering were from less than 4% for females to near 9% for males. Both probandwise concordance rate...
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