Beyond Words Ep. 15 | Before Words: Understanding Babbling with Dr. D. Kimbrough OllerWhat do a baby’s coos, squeals, and growls reveal about the origins of language? In this episode of Beyond Words, Dr. D. Kimbrough Oller — a leading voice in speech and language development — joins Garrett Oyama to explore protophones, functional flexibility, and why spontaneous infant vocalizations may hold the key to understanding how language evolved.Topics include:What protophones are and why they matterThe Functional Flexibility HypothesisHow infant vocal play relates to evolutionWhat LENA recordings reveal about early speechWhy babies vocalize even when no one is listeningGet ASHA CEUs: Speech Therapy PD Watch on YouTube

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