1. Nature vs. Nurture: ADHD
... that brain size is about 5% smaller in affected children. The two areas controlling attention, the frontal cortex and the basal ganglia, are significantly smaller and are less active during attention tests. Symptoms are also thought to be caused by imbalances in neurotransmitters (chemicals that transmit nerve signals) which mean some parts of the brain are overactive, while other parts are underactive ... is that genetics determines the range of possible behaviors, and that the environment lived in determines where within this spectrum the affected will be. I think that instead of stri...
- Word Count: 723
- Approx Pages: 3
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- Grade Level: Undergraduate