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Genome-wide association study of the child behavior checklist dysregulation profile
Eric Mick1, James McGough, Sandra Loo
1University of Massachusetts Medical School, Worcester, MA 01655, USA. eric.mick@umassmed.edu
Insights
This study investigated genetic factors influencing emotional dysregulation in children with attention-deficit/hyperactivity disorder (ADHD) using a genome-wide association study of the Child Behavior Checklist-DP. No significant associations were found, but several candidate genes suggest links to memory and learning pathways.
Area of Science:
- Child and Adolescent Psychiatry
- Behavioral Genetics
- Neurodevelopmental Disorders
Background:
- Emotional dysregulation is a key concern in childhood psychopathology.
- The Child Behavior Checklist-DP (CBCL-DP) measures a heritable trait linked to later mood and behavioral problems.
- Attention-deficit/hyperactivity disorder (ADHD) is associated with increased risk for emotional dysregulation.
Purpose of the Study:
- To conduct a genome-wide association study (GWAS) of the CBCL-DP in children diagnosed with ADHD.
- To identify genetic variants associated with emotional dysregulation traits in this population.
Main Methods:
- Genome-wide association analyses were performed on 341 ADHD offspring from 339 trio families.
- Genotyping utilized Illumina Human1M or Human1M-Duo BeadChip platforms.
- Data analysis employed the MQFAM multivariate extension of PLINK.
Main Results:
- No genome-wide statistically significant associations were detected for the CBCL-DP.
- Several candidate genes (TMEM132D, LRRC7, SEMA3A, ALK, STIP1) showed suggestive associations (p < 5E-05).
Conclusions:
- Suggestive evidence links developmentally expressed genes involved in hippocampal memory and learning to the CBCL-DP.
- Further research is needed to confirm these candidate genes and their role in emotional dysregulation.
Objective:
A potentially useful tool for understanding the distribution and determinants of emotional dysregulation in children is a Child Behavior Checklist profile, comprising the Attention Problems, Anxious/Depressed, and Aggressive Behavior clinical subscales (CBCL-DP). The CBCL-DP indexes a heritable trait that increases susceptibility for later psychopathology, including severe mood problems and aggressive behavior. We have conducted a genome-wide association study of the CBCL-DP in children with attention-deficit/hyperactivity disorder (ADHD).
Method:
Families were ascertained at Massachusetts General Hospital and University of California, Los Angeles. Genotyping was conducted with the Illumina Human1M or Human1M-Duo BeadChip platforms. Genome-wide association analyses were conducted with the MQFAM multivariate extension of PLINK.
Results:
CBCL data were available for 341 ADHD offspring from 339 ADHD affected trio families from the UCLA (N = 128) and the MGH (N = 213) sites. We found no genome-wide statistically significant associations but identified several plausible candidate genes among findings at p < 5E-05: TMEM132D, LRRC7, SEMA3A, ALK, and STIP1.
Conclusions:
We found suggestive evidence for developmentally expressed genes operant in hippocampal dependent memory and learning with the CBCL-DP.
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