The Human Upgrade: Biohacking for Longevity & Performance cover image

Stephen Porges: The Polyvagal Theory & The Vagal Nerve #264

The Human Upgrade: Biohacking for Longevity & Performance

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What Are Cues of Safety?

Mammals have middle ear bones break off the jaw bone they become the ossicle chain that enables us to hear low volume higher frequency voices in background noises only if we have neural tone. Low frequency sounds go through bone conduction and they signal predator so what you start seeing is if this milonade vegas and the facial muscles aren't working people tend to have auditory hypersensitivity.

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