ADHD Research - The Neurological Basis of ADHD Brings a Better Prognosis

One of the criticisms of utilizing medications or drugs inpossess the genetic variation is thinner when
helping a child cope with the ADHD symptoms is thatcompared to the cortex of children without the said
the disorder might be caused by environmental factors,disorder and when compared to ADHD children
including parenting styles. But in the last decade, ADHDwithout the genetic marker. But the long-term study
or Attention Deficit Hyperactivity Disorder has alreadyalso showed that the cortices of these ADHD children
been established as a medical disorder. Onenormalize as they approach mid-teen years. This
well-known method of coping with the symptoms is toimplies that an eight-year-old who has the genetic
cause chemical interaction with two neurotransmitters,marker for ADHD risk will be able to overcome the
dopamine and norepinephrine. This is why the majorityADHD symptoms and recover at the age of 16. This
of ADHD medications are stimulants, such asgives the ADHD children a better prognosis of their
amphetamines, dextroamphetamines, methylphenidate,disorder. In the meantime, while the child is still waiting
pemoline, and dexmethylphenidate.for the cortex to fully develop, the behavioral
Still, many parents, health professionals, and the generalsymptoms of ADHD can be managed by medication.
public are dubious of the effectiveness of theseThe identification of the genetic marker is just the first
medications. It might be another money-makingstep. How it exactly affect the brain is not yet fully
strategy of pharmaceutical companies. At the sameunderstood. At the same time, not all ADHD-diagnosed
time, the use of stimulants to address hyperactivitychildren have this particular genetic variation. And it
does not sound rational. However, a recent studycould be the reason why one ADHD medication will be
(Volkow, et al., pp 932-940) published by the Archiveseffective in one child but useless in another.
of General Psychiatry showed that a certain geneticNevertheless, it becomes apparent that an
variation may increase the risk of suffering fromindividualized treatment for children with ADHD is
ADHD and the use of stimulants can actually inhibitneeded. An individualized treatment will take into
dopamine activity.account the patient's genetic make-up. With more
The genetic variation resulted in a thinner cortex, theresearch in the field of genetics, mental disorders such
part of the brain that is critical to retaining attention.as ADHD can be better addressed.
That is, the cortex of the ADHD children who also