Will a computer software be able to capture the correct meaning?' Vadim Kimmelman asks. What we need to know more about, is what happens when grammar and emotions needs to be expressed at the same time. At the same time, signers use the face to express emotions – either their own, or when quoting someone else. For example: eyebrow raise is necessary to mark general questions in most sign languages. 'In sign language, facial expressions are used to express both linguistic information and emotions. We have already seen examples of robot-projects that can convert text into sign language, but it has proven more challenging to translate from sign language into spoken languages.
