Fact · Accessibility and health
A 2025 study concluded that cluttering is present in both the inattentive and combined types of ADHD in children and adolescents.
Checked against its source on October 16, 2026
In the source's own words
“The study concluded that cluttering is present in both the ADHD Inattentive and Combined types.”
Cluttering and Working Memory in Attention Deficit and Hyperactivity Disorder, Saniye Tülin Fidan and Mehmet Niyazi Sarıyer, Psychiatry and Clinical Psychopharmacology, 2025, Abstract, Conclusion.
Open the original (DOI 10.5152/pcp.2025.241035)- What it measures
- Cluttering was measured with the Predictive Cluttering Inventory-revised. The authors also recommend fuller speech and language assessments for children with ADHD.
- What it does not show
- A single study of 200 children and adolescents with ADHD. Cluttering is a fluency pattern of rapid, disorganized speech, and this study does not give a population rate.