Artikel ; Online: Genotype-Environment Interaction in ADHD: Genetic Predisposition Determines the Extent to Which Environmental Influences Explain Variability in the Symptom Dimensions Hyperactivity and Inattention.
2024 Band 54, Heft 2, Seite(n) 169–180
Abstract: Although earlier research has shown that individual differences on the spectrum of attention deficit hyperactivity disorder (ADHD) are highly heritable, emerging evidence suggests that symptoms are associated with complex interactions between genes and ... ...
| Abstract | Although earlier research has shown that individual differences on the spectrum of attention deficit hyperactivity disorder (ADHD) are highly heritable, emerging evidence suggests that symptoms are associated with complex interactions between genes and environmental influences. This study investigated whether a genetic predisposition [Note that the term 'genetic predisposition' was used in this manuscript to refer to an estimate based on twin modeling (an individual's score on the latent trait that resembles additive genetic influences) in the particular population being examined.] for the symptom dimensions hyperactivity and inattention determines the extent to which unique-environmental influences explain variability in these symptoms. To this purpose, we analysed a sample drawn from the Twins Early Development Study (TEDS) that consisted of item-level scores of 2168 16-year-old twin pairs who completed both the Strengths and Difficulties Questionnaire (SDQ; Goodman, in J Child Psychol Psychiatry 38:581-586, 1997) and the Strength and Weaknesses of ADHD Symptoms and Normal Behavior (SWAN; Swanson, in Paper presented at the meeting of the American Psychological Association, Los Angeles, 1981) questionnaire. To maximize the psychometric information to measure ADHD symptoms, psychometric analyses were performed to investigate whether the items from the two questionnaires could be combined to form two longer subscales. In the estimation of genotype-environment interaction, we corrected for error variance heterogeneity in the measurement of ADHD symptoms through the application of item response theory (IRT) measurement models. A positive interaction was found for both hyperactivity (e.g., [Formula: see text] = 2.20 with 95% highest posterior density interval equal to [1.79;2.65] and effect size equal to 3.00) and inattention (e.g., [Formula: see text] = 2.16 with 95% highest posterior density interval equal to [1.56;2.79] and effect size equal to 3.07). These results indicate that unique-environmental influences were more important in creating individual differences in both hyperactivity and inattention for twins with a genetic predisposition for these symptoms than for twins without such a predisposition. |
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| Mesh-Begriff(e) | Humans ; Attention Deficit Disorder with Hyperactivity/genetics ; Attention Deficit Disorder with Hyperactivity/diagnosis ; Diseases in Twins/genetics ; Gene-Environment Interaction ; Genetic Predisposition to Disease/genetics ; Twins/genetics ; Adolescent |
| Sprache | Englisch |
| Erscheinungsdatum | 2024-01-25 |
| Erscheinungsland | United States |
| Dokumenttyp | Journal Article ; Twin Study |
| ZDB-ID | 280238-7 |
| ISSN | 1573-3297 ; 0005-7851 ; 0001-8244 |
| ISSN (online) | 1573-3297 |
| ISSN | 0005-7851 ; 0001-8244 |
| DOI | 10.1007/s10519-023-10168-5 |
| Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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