As the boy grows up, he picks up more sounds and is able to make communicative gestures, but is still incapable of uttering a single word of the English language.
With the introduction of Cued Speech, the frequency with which the children used communicative gestures dropped dramatically without a corresponding increase in speech production.
They can use communicative gestures, like "come here," to affect another person's behavior but not expressive gestures, like "well done," to affect another's mental state.
Since no other words were allowed to be spoken, monks developed communicative gestures.
They were able to use human communicative gestures such as pointing and looking to find hidden food and toys.
For example, if within a group of people, winking was a communicative gesture, he sought to first determine what kinds of things a wink might mean (it might mean several things).
Robbins used the codified language of ballet, as much as the vernaculars of social and folk dance, to dig down to dance's origins in daily, communicative gesture.
Another recent finding has showed significant areas of activation in subcortical and neocortical areas during the production of communicative manual gestures and vocal signals in chimpanzees.
Infants also will display joint attention activities, such as communicative gestures, social referencing, and using the behavior of others to guide response to novel things.
He mentioned "The modern idiom has extended a range of expressive movement and communicative gesture tremendously.