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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Myelinated Vagus Nerves and the Evolution of Mammalian Neurons

There's these two different things that the vagus nerve could do well the nerve can do but that doesn't make any sense does it so I basically said okay this is a vagal paradox now I have to figure this out and I figured it out by studying everything I could find about the vagus. Only 3% of the entire vagal fibers in the vagus are myelinated come from an area in the brainstem called nucleus ambiguous and interact with the area that controls your facial muscles, laryngeal muscles and even the muscles in your middle ear. If you found a fossil how would you know it was a mammal um?

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