ADHD Symptoms Across the Lifespan: A Comparison of Symptoms Captured by the Wender and Barkley Scales and DSM-IV Criteria in a Population-Based Swedish Sample Aged 65 to 80 … Link: ADHD Symptoms Across the Lifespan: A Comparison of Symptoms Captured by the Wender and Barkley Scales and DSM-IV Criteria in a Population-Based Swedish Sample Aged 65 to 80