Example of recurrent change. Still images from video dictionary entries that illustrate the phonological pattern of thumb extension. Both signs are produced with four fingers extended, but the sign ...

The human body is the greatest form of expression. From the clothes one wears to the things one says and does, expression is a form of self art. Sign language is a form of expression — one that ...

A computational analysis has highlighted the poorly understood relationships and elusive histories of modern sign languages worldwide, revealing two major sign language families shaped by geopolitical ...

An international team of linguistics experts has traced the origins of the most common modern sign languages using a computer model to compare them against one another. The research is published in ...

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