Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
ADHD is a neurodevelopmental disorder characterized by persistent patterns of inattention, impulsivity, and/or hyperactivity that interfere with functioning or development.
Related terms
Executive Functions: These are cognitive processes that help us regulate our behavior and make decisions. People with ADHD often struggle with executive functions.
Hyperactivity: This refers to excessive movement and activity levels that are inappropriate for a person's age or situation. It's one of the key symptoms of ADHD.