Hands show where things are: The close similarity between sign and natural space
2020
Abstract Many of the signs produced across sign languages are iconic, in the sense that they resemble the concepts they represent. We examined whether location, one of basic sign parameters along with handshape and movement, is systematically used for purposes of iconicity. Our findings revealed a mapping of vertical sign space that is exploited in its entirety for encoding typical locations in natural space. In all of the twenty sign languages we analyzed, signs were more likely to have high locations with concepts typically occurring in high vs. low regions of natural space (e.g., cloud vs. root). Furthermore, the height of signs produced to identify a visual object varied depending on object position (e.g., it was higher for basketball in the basket than basketball on the floor). It thus appears that signing space is permeable to semantic and episodic features, and iconicity plays a crucial role in making signing space so adaptable.
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