discussion title:
Motivation May Be at Root of ADHD
The trouble concentrating that affects people with attention-deficit hyperactivity disorder (ADHD) might be related to motivation, a new study has found.
The motivational problems seen with the condition, which is often associated with children but can persist into adulthood, appear to stem from a reduction in dopamine, an important neurotransmitter in the nervous system that is considered a hallmark of ADHD.
"ADHD is traditionally a disease where people think the disruption is in attention and hyperactivity," said Dr. Nora D. Volkow, director of the U.S. National Institute on Drug Abuse and lead researcher on the study. "So, the whole focus on research and treatment has been on attention -- with kids who cannot pay attention or are hyperactive."
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