Attentional Control Explains Covariation Between Symptoms of Attention-Deficit/Hyperactivity Disorder and Anxiety During Adolescence
- Brooker, Rebecca J. [ Montana State University: Psychology ]
- Moore, Mollie N.
- Van Hulle, Carol A.
- Beekman, Charles R.
- Begnoche, J. Patrick [ Montana State University: Psychology ]
- Lemeryâ€Chalfant, Kathryn
- Goldsmith, H. Hill
Symptoms of attentionâ€deficit/hyperactivity disorder (ADHD) and anxiety are common during adolescence and frequently coâ€occur. However, the genetic and environmental influences that underlie this coâ€occurrence are understudied. Using a large twin sample (N = 1,017), we examined crossâ€sectional genetic and environmental influences on ADHD and anxiety symptoms during childhood. We also explored whether these influences were shared with attentional control, a putative mechanism for symptom comorbidity. We found evidence for common genetic and nonshared environmental influences on the covariation among attentional control, ADHD, and anxiety symptoms, supporting the putative role of attentional control as a mechanism by which comorbid problems may develop. Genetic factors also accounted for symptom coâ€occurrence after controlling for covariation with attentional control, suggesting the presence of additional unmeasured mechanisms.