ADHD Animation
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Attention deficit hyperactivity disorder, or ADHD, is a common neurobehavioral problem that affects children as well as some adults.
Some research suggests that the cause of ADHD is a genetic deficiency of certain neurotransmitters. The brain is composed of millions of interconnecting nerve cells called neurons. In order for a person to think, move, or feel, these neurons must communicate with one another. They do so by sending and receiving chemical messengers called neurotransmitters.
When a neurotransmitter is released from a neuron, it crosses a gap called a synapse and binds to a receptor on another neuron, thus passing on a signal...
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