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What is happening at the neuron level in a child with ADHD?

Dr. Jeanne Morrison, PhD
Family Practitioner
We know that attention deficit hyperactivity disorder (ADHD) is a brain disease. While some behaviors and habits might increase ADHD symptoms, ADHD is primarily genetic in origin. This means that if your parent or sibling has ADHD, you are more likely to have the disorder than other people whose relatives do not have the condition.

So how do we pass ADHD on? Well, brain size might be a key component. One study found that young people with ADHD had smaller brains than their peers. Experts also believe that the executive functions of the brain are associated with ADHD. Executive function includes areas of the brain responsible for getting work done, regulating feelings, communicating, solving problems, and other tasks. These areas of the brain work different in people with ADHD. Thankfully, stimulant medications can help. These drugs directly impact the executive functions of the brain, helping people with ADHD succeed.


Dr. Michael Roizen, MD
Internal Medicine
In the brain of a child with attention-deficit/hyperactivity disorder (ADHD), something is preventing the neural networks from being pruned. So, like an untended garden, those neural connections get overgrown and tangled.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.