Jane Goodall's groundbreaking observations of chimpanzee gestures in the 1960s revealed that apes communicate through meaningful actions, providing insights into the evolution of human language.
Over generations, primatologists have documented over 80 gestures among chimpanzees, bonobos, gorillas, and orangutans, supporting the understanding of non-verbal communication in apes.
Michael Tomasello's research in the 1980s highlighted the developmental aspect of gestural communication in infant chimpanzees, suggesting that gestures evolve from early habits to complex interactions.
Richard Moore emphasizes that gestures were essential to the development of language, indicating a shared lineage between human language evolution and ape communication.
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