You might have heard of aphasia, sometimes called dysphasia.

你可能听说过失语症。有时候叫做言语障碍症。

These non-language areas sometimes assist people with aphasia when communication is difficult.

当交流十分困难的时候，这些非语言区域有时也会帮助失语症患者。

This disorder, called aphasia, can impair all aspects of communication.

这种叫做失语症的病症，可以阻碍所有的交流方式。

Meanwhile, many people with aphasia remain isolated, afraid that others won't understand them or give them extra time to speak.

现在 许失语症患者依然与世隔绝，怕别人理解在说什么，或者时间去表达。

This TALK charity is a wonderful charity that helps people who've suffered strokes, but have a particular condition known as aphasia.

这个TALK慈善机构是个的了起的慈然机构， 它帮助那些患中风疾病的人，而且有患有失语症的特殊的情况。

People with fluent aphasia may have normal vocal inflection but use words that lack meaning.

患有流畅失语症的人有正常的语调变化但是用的词没有任何意义。

Aphasia is caused by injury to one or both of these specialized language areas.

失语症就是由于二者之或全部受损产生的。

Scientists have been conducting experiments using new forms of technology, which they believe may encourage brain plasticity in people with aphasia.

科学家在用新的技术开展实验，希望达到增强失语症患者大脑可塑性的目标。

However, when aphasia is acquired from a stroke or brain trauma, language improvement may be achieved through speech therapy.

如果失语症是由大脑受损或中风引起的，语言治疗或许可以提高语言能力。

About one-third of stroke survivors suffer from aphasia making it more prevalent than Parkinson's disease or multiple sclerosis, yet less widely known.

中风活下来的人里面大约有三分之被失语症所折磨，这让它比帕金森综合症和发性硬化症更加普遍，但是知道的人却更少。

There are several types of aphasia grouped into two categories: fluent, or receptive, aphasia and non-fluent, or expressive, aphasia.

失语症被分为几种，归属于两大类：流畅的，或者善于倾听的失语症。

People with non-fluent aphasia, on the other hand, may have good comprehension but will experience long hesitations between words and make grammatical errors.

另方面，非流畅型失语症患者或许有好的理解能力，但是会说话时出现长时间的停顿以及语法错误。

We all have that tip-of-the-tongue feeling from time to time when we can't think of a word, but having aphasia can make it hard to name simple, everyday objects.

我都有过那种话到嘴边却找到适合的词的感觉，但是患有失语症意味着连简单的日常生活用品都无法表达。

There is one rare form of aphasia called primary progressive aphasia, or PPA, which is not caused by stroke or brain injury, but is actually a form of dementia in which language loss is the first symptom.

有种罕见的失语症叫做原发性进行性失语症 简称PPA，它是由中风或者大脑受损引起的，而实际上是失智症的种表现，语言能力退化是失智症的第症状。