Related Experiment Video
Updated: Jun 28, 2026

Using Brain Activation (nir-HEG/Q-EEG) and Execution Measures (CPTs) in a ADHD Assessment Protocol
Published on: April 1, 2018
Adoptive and biological families of children and adolescents with ADHD
S Sprich1, J Biederman, M H Crawford
1Cognitive-Behavioral Therapy Program of the Psychiatry Service, Massachusetts General Hospital, Boston 02114, USA.
Objective:
Using an adoption study design, the authors addressed the issue of genetics in attention-deficit hyperactivity disorder (ADHD).
Method:
This study examined the rates of ADHD and associated disorders in the first-degree adoptive relatives of 25 adopted probands with ADHD and compared them with those of the first-degree biological relatives of 101 nonadopted probands with ADHD and 50 nonadopted, non-ADHD control probands.
Results:
Six percent of the adoptive parents of adopted ADHD probands had ADHD compared with 18% of the biological parents of nonadopted ADHD probands and 3% of the biological parents of the control probands.
Conclusion:
Results of this study lend support to the hypothesis that ADHD has a genetic component.
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