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Tomasello, Michael; Camaioni, Luigia – Human Development, 1997
Compared the gestures of typical human infants, children with autism, chimpanzees, and human-raised chimpanzees. Typical infants differed from the other groups in their use of: triadic gestures directing another's attention to an outside entity; declarative gestures; and imitation in acquiring some gestures. These differences derive from an…
Descriptors: Autism, Body Language, Comparative Analysis, Nonverbal Communication