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What Are Symptoms of ADHD in Children?

Learn the symptoms of ADHD from Dr. Kimberly Williams in this Howcast video.


The symptoms of attention-deficit hyperactivity disorder, or ADHD, fall into three different categories. There's inattention, there's impulsivity, and there is hyperactivity.

What we notice about inattention is this is the child who fails to pay close attention to details, who may make minor mistakes on homework and assignments. It's the child who doesn't quite hear information clearly enough or doesn't follow directions.

When we think about impulsivity, we think about the child who has trouble waiting in line, or the child that interrupts during conversation, or who has trouble following rules and taking turns when they're with their peers or others.

A hyperactive child is a child that seems like they're running with a motor. In the instance that they can't keep still. They're always moving. They're up and about touching things. Sometimes classroom teachers may complain this is the child that can't stay in their seat.

While these symptoms of ADHD are not inclusive, these are some of the important key factors that you might see in a child with ADHD.

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