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What goes on in the brain of someone with ADHD?

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Studies show that brain chemicals, called neurotransmitters, don’t work the same in children and adults with ADHD. There also tend to be differences in the way nerve pathways work.

Certain parts of the brain may be less active or smaller in children with ADHD than those without the disorder.

The brain chemical dopamine may also play a role. It carries signals between nerves in the brain and is linked to movement, sleep, mood, attention, and learning.

SOURCES:

CHADD: "What Causes ADHD?;" ”Causes and Brain Chemistry;” and “New Understandings of ADHD.”

The ADHD Genetic Research Study at the National Institutes of Health and the National Health Genome Research Institute: "General Information about ADHD" and “Attention Deficit Hyperactivity Disorder.”

Mayo Clinic: “Attention-deficit/hyperactivity disorder (ADHD) in children.”

Reviewed by Smitha Bhandari on May 1, 2017

SOURCES:

CHADD: "What Causes ADHD?;" ”Causes and Brain Chemistry;” and “New Understandings of ADHD.”

The ADHD Genetic Research Study at the National Institutes of Health and the National Health Genome Research Institute: "General Information about ADHD" and “Attention Deficit Hyperactivity Disorder.”

Mayo Clinic: “Attention-deficit/hyperactivity disorder (ADHD) in children.”

Reviewed by Smitha Bhandari on May 1, 2017

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Does risk of ADHD increase if a parent or sibling has it?

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