Written on 28-06-2018

The biological basis of A.D.H.D. seems both real and complex: “There are structural differences in brain volumes, there are connections between brain regions reflected in white matter changes in people with A.D.H.D., there are chemical changes in some of the major transmitter systems in the brain,” Dr. Mahone said. “When the brain is asked to do something, the brains of children with A.D.H.D. do the same task but the brain is less efficient.”

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支持ADHD成因的生物學基礎看來既真實又複雜，馬宏博士（Dr.Mahone）表示：「從掃描顯影發現，ADHD孩子與其他孩子的腦容量有結構性的區別，而大腦各區域的聯繫亦促使ADHD患者的腦白質出現變化。此外，患者腦中主要的傳遞系統部分亦產生化學變化。當大腦被要求做事時，ADHD孩子與其他孩子的大腦會做同樣的工作，不過ADHD患者的大腦效率就顯得較低。」

想了解更多，請瀏覽以下網站：

https://www.nytimes.com/2018/03/26/well/family/scans-show-differences-in-brains-of-preschoolers-with-adhd.html