Sign languages aren’t easy to learn and are even harder to teach. They use not just hand gestures but also mouthings, facial expressions and body posture to communicate meaning. This complexity means ...

It is challenging for deaf people to learn a sound-based language, since they are physically not able to hear those sounds. Hence, most of them struggle with written language as well as with text ...

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Andrea Lackner's research was funded by the Austrian Science Fund and affiliated with the Centre of Sign Language and Deaf Communication at the Alpen-Adria-University Klagenfurt, Austria. Most people ...