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词数:437阅读难度:★★★☆☆建议阅读时间:5分钟Certain brain structures related to emotion and reward are smaller in people with the disorder,new research finds.The largestever brain imaging study on attention defi cit(赤字)hyperactivity(极度活跃)disorder has led scientists to say the condition should be considered a neurological disorder,not just a behavioral one.
Words: 437 Reading Difficulty: ★★★ ☆☆ Suggested Reading Duration: 5 minutes Certain brain structures related to emotion and reward are smaller in people with the disorder, new research finds.The largestever brain imaging study on attention defi cit (deficit) disorder has led scientists to say the condition should be considered a neurological disorder, not just a behavioral one.