Rls. ADHD Appears To Be Associated With Depressed Dopamine Activity I. Adults with attention-deficit/hyperactivity disorder (ADHD) show a blunted response to the drug methylphenidate (Ritalin), which increases brain dopamine levels, according to a report in the August issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
This suggests that dopamine dysfunction may be involved with ADHD symptoms and may contribute to substance abuse that often occurs simultaneously. ADHD is the most prevalent psychiatric disorder among children, according to background information in the article. "Despite decades of research, the specific neurobiological mechanisms underlying this disorder still remain unclear," the authors write. A Concentration Killer: Study Shows Brain Chemistry Defect Is Ke. From universities, journals, and other organizations Date: August 14, 1998 Source: Society For Neuroscience.
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