Attention-deficit/hyperactivity disorder (ADHD) is a condition that can make it hard for a person to sit still, control behavior and pay attention. These difficulties usually begin before a child is 7 years old. However, these behaviors may be noticed earlier or may not be noticed until the child is older.
Doctors do not know just what causes ADHD. However, researchers studying the brain are coming closer to understanding what may cause ADHD. They believe that some people with ADHD do not have enough of certain chemicals (called neurotransmitters) in their brain. These chemicals help the brain control behavior.
As many as five out of every 100 children in school may have ADHD. Boys are three times more likely than girls to have ADHD.
There are three main signs, or symptoms, of ADHD. These are:
Based on these symptoms, three types of ADHD have been identified:
When a child shows signs of ADHD, he or she needs to be evaluated by a trained professional. A complete evaluation is the only way to know for sure if the child has ADHD.
Pediatric Neurodevelopmental Center
Attention Deficit Disorder Association
Children and Adults with ADD
Learning Disabilities Online
Max Brewer was diagnosed with a mild form of autism when he was 3. His older brother, Arthur, also has autism and completed the Marcus Autism Center Early Intervention Program. “We had seen such great progress with Arthur, so we knew that we needed to start Max in the program, too,” Max’s mother, Therese, said.
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