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Title: Genetic and Environmental Influences on Inattention, Hyperactivity-Impulsivity, and Reading: Kindergarten to Grade 2
Contributor(s): Ebejer, Jane  (author); Coventry, William L  (author)orcid ; Byrne, Brian J  (author)orcid ; Willcutt, Erik G (author); Olson, Richard K (author); Corley, Robin (author)
Publication Date: 2010
DOI: 10.1080/10888430903150642
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Abstract: Twin children from Australia, Scandinavia, and the United States were assessed for inattention, hyperactivity-impulsivity, and reading across the first 3 school years. Univariate behavior-genetic analyses indicated substantial heritability for all three variables in all years. Longitudinal analyses showed one genetic source operating across the time span and a second entering in the second school year for each variable, though possibly not reliable for inattention. Other analyses confirmed previous findings of pleiotropy (shared genes) between inattention and reading and showed that this genetic overlap is in place from kindergarten onwards and is restricted to one of the genetic sources that affect reading and inattention. The results extend previous conclusions about the developmental trajectories of inattention, hyperactivity-impulsivity, and reading and their relationships. Limitations of this study are discussed, as are educational implications.
Publication Type: Journal Article
Source of Publication: Scientific Studies of Reading, 14(4), p. 293-316
Publisher: Routledge
Place of Publication: United States of America
ISSN: 1532-799X
Field of Research (FOR): 060499 Genetics not elsewhere classified
179999 Psychology and Cognitive Sciences not elsewhere classified
Socio-Economic Outcome Codes: 920401 Behaviour and Health
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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