What physical differences are there for children with ADHD?

Some research that involved brain scans showed that children with Attention Deficit Hyperactivity Disorder had smaller temporal and frontal lobes.

The frontal lobe controls attention and planning, which are both negatively affected by ADHD.

In one of the studies, two other areas of the brain, the temporal and inferior parietal cortices, revealed increased gray matter-up to 24 percent more.

More gray matter appeared to contribute to inattention, and the bigger frontal lobe seemed to boost hyperactivity.

Although the children studied had been or were on stimulant medications, researchers did not believe the changes in brain size were caused by the use of medication.

Another study showed an overall brain shrinkage of 3 to 4 percent among children who have ADHD. This study found that using ADHD medication did not harm the brain and actually might aid brain development. Children who had medicated had more white matter than those who had not medicated.

The white matter helps to connect different parts of the brain. Those with thicker, or more, white matter tend to have more developed brains.

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