When a child argues about every instruction, refuses to start homework, procrastinates until the last possible minute, shuts down, or completely falls apart over something that seems small, it can be hard not to focus on the behavior.

When most people think about ADHD, they think about behavior. They think about the child who cannot sit still. The student who forgets assignments. The teenager who procrastinates until the last minute. The child who interrupts, loses things, gets distracted, or seems unable to follow through.

Have you ever wondered why two equally bright children can approach the very same problem in completely different ways? One child immediately starts making a list.