Now the brain molecules behind this learning deficit have been identified in mice - and blocked.

通过老鼠试验现发现，造成学习能力缺失的是大脑分子—它封闭了。

youdao

A majority of Americans also incorrectly associate attention deficit disorder (ADD), emotional disorders and autism with learning disorders, all of which are unrelated to learning disabilities.

大多数美国公民也错误地将多动症(add)，情绪紊乱和多动症与学习障碍连在一起，而实际上与学习障碍扯不上边。

youdao

Children with the severest for m, called "attention deficit hyperactivity disorder", exhibit such disruptive behaviour that it impairs their learning and function at home and at school.

多动症最严重的一种形式叫做“注意缺陷多动障碍”，患这类多动症的孩子，其行为的破坏性甚至严重到影响他们的正常生活和学习。

youdao

There is no adequate explanation for this imbalance in the sex ratio, though it must be recognized it is also true for other developmental disorders of early childhood such as learning disabilities and attention deficit disorder.

CNN: How girls and boys differ when it comes to autism

Clinton also shelved his campaign commitment to deliver a middle class tax cut upon learning the size of the deficit.

CNN: Commentary: Obama's 100 days of problems?

In it, the therapist describes the child as an apparently "typical 5-year-old by temperament and interests" with no history of mood swings, irritability, depression, attention deficit disorder, learning issues or other problems.

CNN: STORY HIGHLIGHTS