Today we have the second in a series of reports about a (the) group of disorders known as learning disabilities. Different ones affect reading, writing, listening, speaking or working with numbers.

今天是我们关于一组称为学习障碍疾病的报道的第二期。不同障碍影响着听、说、读、写或处理数字的不同方面。

The most common learning disability is dyslexia. A person with dyslexia has difficulty with language skills, especially reading. The International Dyslexia Association says studies in different countries general show that 4 to 7% of people are dyslexic.

最常见的学习障碍是阅读困难。患有阅读困难的人在语言技巧上有困难，尤其是在阅读方面。国际阅读困难协会称根据在不同国家的研究结果显示一般有4～7%的人患有阅读困难。

Dyslexia most commonly affects reading, spelling and writing. Some people have problems with only one of these. Others have trouble with spoken language. They find it difficult to express themselves clearly or understand other people say.

阅读困难通常影响阅读、拼写和写作。有些人只存在这些问题中的一个。另一些人存在口语问题。他们发现很难清除的表达自己或理解他人所说的（内容）。

Dyslexia can also affect a person emotionally. Dyslexic children often think they are unable to learn. They think they are stupid, or that is what they are told. Specialists say children who feel this way are in danger of failure and depression.

阅读困难还影响一个人的情绪。阅读困难的孩子常认为他们没有学习的能力。他们认为他们是愚蠢的，或者这正是别人告诉他们的。专家说，有这样想法的孩子正处在失败和抑郁的危险中。

What causes dyslexia is not clear, but studies have found difference in brain activities and development in dyslexic people compared to the general population.

目前还不清楚什么导致了阅读困难，但是研究发现，患有阅读困难的人与大众相比，两者大脑活动和发育有所不同。