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Adaptive Behavior in Young Autistic Children: Associations with Irritability and ADHD Symptoms
Kimberly L H Carpenter1, Naomi O Davis2, Marina Spanos3
1Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA. Kimberly.carpenter@duke.edu.
Journal of Autism and Developmental Disorders
|October 12, 2022
Summary
Irritability, not just attention-deficit/hyperactivity disorder (ADHD) symptoms, is linked to social adaptive behavior differences in autistic children. This finding is crucial for interventions and clinical trials.
Area of Science:
- Neurodevelopmental disorders
- Child psychology
Background:
- Attention-deficit/hyperactivity disorder (ADHD) symptoms are common in autistic children (40-60%) and associated with adaptive behavior differences.
- The direct impact of ADHD symptoms versus irritability on adaptive behavior in autistic youth remains unclear.
Purpose of the Study:
- To investigate the relationships between irritability, ADHD symptoms, and adaptive behavior in autistic children aged 3-7 years.
- To determine if irritability or ADHD symptoms are more strongly associated with adaptive behavior deficits.
Main Methods:
- Cross-sectional study design.
- Assessment of irritability, ADHD symptoms, and adaptive behavior in 3- to 7-year-old autistic children.
- Statistical analysis to examine associations while controlling for covariates.
Main Results:
- Higher levels of irritability were significantly associated with differences in social adaptive behavior.
- This association remained significant even after adjusting for co-occurring ADHD symptoms.
- ADHD symptoms alone did not show the same specific link to social adaptive behavior differences.
Conclusions:
- Irritability, rather than solely ADHD symptoms, appears to be a key factor associated with social adaptive behavior differences in autistic children.
- Findings underscore the importance of addressing irritability in interventions for autistic youth.
- Understanding these relationships is critical for accurate assessment and effective treatment planning in clinical trials.
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