People unconsciously use 'verbal gestures' when they speak

University of Chicago scientists have determined that people spontaneously use a system of communicating when they speak that either reinforces their message or provides additional information that is not conveyed by words alone. Dubbed "analog acoustic expression," this previously uninvestigated form of communication is described as a sort of verbal gesturing.

Like gestures, analog acoustic expression expands people's capacity to communicate and typically happens with little intention on the part of the speaker, although it is possible to use this expression explicitly to dramatize an utterance.

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