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ADHD in Children Health Center

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Smarter Treatments Ahead for ADHD

WebMD Health News

Aug. 24, 2001 (San Francisco) -- Every child is unique. So is every case of attention deficit hyperactivity disorder, or ADHD. New insights -- reported here at the annual conference of the American Psychological Association -- now promise an end to one-size-fits-all ADHD treatment.

"We are trying to trigger a little bit more thinking about what is ADHD," says University of Toronto researcher Rosemary Tannock, PhD. "In the future we will need to consider the nature of ADHD impairments before starting treatment. We'll never find a single deficit that encompasses all ADHD."

This has made it hard for some parents to accept that their child has ADHD, says Yale University researcher Thomas E. Brown, PhD. Even the same child doesn't behave like the same child all the time.

"One thing that makes people skeptical is that the symptoms are not constant," Brown says. "It is very unusual for an ADHD person to display the same symptoms in all settings. Some people say it is just a willpower thing. But what looks like willpower really has to do with neurochemical processes in the brain."

All people with ADHD have a problem with one type of brain activity. It's called executive function. Brown says that the executive function is like the conductor of an orchestra.

"Picture a symphony orchestra where all the musicians are good," Brown says. "But if the conductor cannot get them to play their respective parts at same time, you are not going to get very good music. The problem with ADHD is not with the individual musicians. The problem is essentially with the conductor."

The brain's conductor has to do a lot of things at the same time. These things include:

  • Activation: To perform a task, the brain first has to get things started.
  • Focus: To carry out a task, a person has to be able both to keep focused and also to shift focus when necessary.
  • Effort: The brain has to regulate alertness and keep up the speed at which the task is performed.
  • Emotion: The brain has to be able to turn up or turn down the emotions felt while performing a task.
  • Memory: The brain has to store things into memory and pull things out of memory.
  • Action: The brain has to be able to keep track of what is going on and keep actions under control.

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