Brain-imaging techniques show that peak thickness of the cerebral cortex occurred three years later in children with ADHD than children without ADHD. The delay was more prominent in the prefrontal regions of the brain that play an important role in which of the following?

Question

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A recent study revealed that peak thickness of the cerebral cortex occurred three years later (10.5 years) in children with ADHD than children without ADHD (peak at 7.5 years) (Shaw & others, 2007). The delay was more prominent in the prefrontal regions of the brain that especially are important in attention and planning.

Brain-Imaging Techniques Show That Peak Thickness of the Cerebral Cortex