Goldin Meadow and Brentari D. conducted research in 2015 and concluded that communicating through sign language is no different from spoken language.

Communicative vs. informative

The first way to distinguish between categories of gesture is to differentiate between communicative gesture and informative gesture. While most gestures can be defined as possibly happening during the course of spoken utterances, the informative-communicative dichotomy focuses on intentionality of meaning and communication in co-speech gesture.

Informative (passive)

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