She has studied the social meaning of American Sign Language as well as the Al-Sayyid Bedouin Sign Language in Israel.

VOA: special.2010.10.01

So, what I want to do is, I want to discuss the scientific notion of language, at first restricting myself to systems like English and Dutch and American sign language and Navajo and so on.

因此,我想做的是,我想来谈谈语言的科学定义,首先我会将自己限定在,诸如英语,荷兰语,美国手语,或迪瓦霍语等语言系统之下

耶鲁公开课 - 心理学导论课程节选

It's not a full-blown language like american sign-language or langue des signes quebecoise but it's a language nonetheless, with words and syntax and phonology.

这种语言并不像美国手语,或加拿大魁北克手语那样成熟,尽管如此,这种语言依然拥有词,语法和语音

耶鲁公开课 - 心理学导论课程节选