Why We Speak
Briefly

The article explores the significance of speech as a critical evolutionary gift that has shaped human cognition, society, and culture. It discusses how Homo sapiens developed unique anatomical features, such as a flexible vocal tract and specialized brain regions, that enabled complex language processing approximately 100,000 to 200,000 years ago. Additionally, the article probes the question of why other species did not evolve comparable language abilities, highlighting the limitations faced by primates and other animals due to their cognitive capacities and anatomical structures. Ultimately, it emphasizes the profound emotional and cultural power of the spoken word.
Speech holds immense emotional and cultural power, shaping our culture and society, creating a realm of ideas beyond the material world.
Anthropologists agree that Homo sapiens developed the anatomical prerequisites for speech between 100,000 to 200,000 years ago, marking a significant evolution in human communication.
Primates like chimpanzees and bonobos show strong communication behaviors but lack the vocal anatomy and cognitive complexity necessary for true language use.
The evolution of speech also required a cognitive spark, enabling early humans to conceptualize and intentionally communicate complex abstract ideas.
Read at Psychology Today
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