Conversational hand gestures and facial displays
In face-to-face dialogue, the participants have visible as well as audible resources for social communication, that is, not just words and prosody, but also hand gestures, facial displays, gaze direction and timing, body orientation, and objects in their shared environment. We propose that some non-verbal acts play an important role in the participants' collaboration, so that the study ofthese non-verbal acts in dialogue is a promising way to understand basic processes in social communication.
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