2. Biology: The Biological Machin...
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2. Biology: The Biological Machine Behind Human Speech
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Curious Hominid Podcast by Justin Lietz

Episode notes

A single “hello” is not simple. It is a full-body neurological machine turning thought into air pressure.

In this episode, I grabbed a notebook and dug into the physical machinery of human speech: how an abstract intention becomes jaw movement, tongue placement, vocal cord vibration, sound waves, and eventually a thought inside someone else’s head.

Inside this episode:

  • The main question that haunted me: how does a thought physically become a spoken word?
  • The weirdest finding: babies are not just babbling randomly. They are running motor drills for future speech.
  • The biggest “wait, what?” moment: speech planning has been recorded directly from exposed brain tissue during awake neurosurgery.
  • My current hypothesis: language is not separate from the body. It is a refined biological actio ... 
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Keywords
CuriousHominidHistoryOfCuriositySpeechNeuroscienceHumanEvolution