Fact · Accessibility and health
Research summarized in a 2025 paper suggests that people with ADHD, especially the hyperactive-impulsive subtype, may speak faster than people without ADHD.
Checked against its source on October 16, 2026
In the source's own words
“individuals with ADHD, especially those with the hyperactive-impulsive subtype, may demonstrate an increased speech rate compared to those without the disorder”
Cluttering and Working Memory in Attention Deficit and Hyperactivity Disorder, Saniye Tülin Fidan and Mehmet Niyazi Sarıyer, Psychiatry and Clinical Psychopharmacology, 2025, Introduction.
Open the original (DOI 10.5152/pcp.2025.241035)- What it measures
- The authors connect the faster rate to impulsivity, with fast speech often coming without pauses. The rate also changes with the task and with anxiety or depression.
- What it does not show
- Stated as a tendency (may), in a literature summary. Speech rate in ADHD varies with task demands, emotional state and co-occurring conditions.