Vagus Nerve

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The nerve responsible for transducing information from the gut to the brain, crucial for intuition and 'gut feeling.' Its health is impacted by gut inflammation from ultra-processed food.

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Also known as the wandering nerve, it has a direct projection from the gut to the hypothalamus, where oxytocin and vasopressin are made. Its activation by probiotics can increase neuropeptide gene expression and social behavior in mice.

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A major bundle of nerves in the body, ancient in evolution, controlling fundamental functions like breathing and digestion, also shown to react viscerally to the sorrow of others, forming a bodily foundation for empathy.

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A cranial nerve connecting the brain to various organs, including the liver, mediating central nervous system control over peripheral metabolism, demonstrated by vagotomy experiments.

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Andrew Huberman

A cranial nerve that connects to the heart, which can be stimulated to alleviate depression, suggesting a direct brain-heart connection.

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The 10th cranial nerve, described as a vast, wandering set of nerves (vagabonding) that communicates between the brain and bodily organs, involved in mechanical and chemical sensing, and influencing emotions.

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Andrew Huberman

A bundle of nerve fibers that mediates bidirectional communication between the brain and visceral organs (heart, gut, lungs), highly relevant to emotion states.

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Andrew Huberman

A major communication highway between the body (especially internal organs like the gut) and the brain, consisting of thousands of fibers with diverse functions.

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Andrew Huberman

An extensive nerve pathway connecting the brain and body, generally associated with calming effects and influencing heart rate through processes like respiratory sinus arrhythmia.

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Andrew Huberman

A nerve pathway involved in communication from gut neuropod cells to the brain, influencing dopamine release and appetite.

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A critical nerve network connecting the brain to body organs, influencing digestion, heart rate, breathing, and mood; it's bidirectional and can be stimulating or calming.

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Andrew Huberman

The major pathway from gut to brain, innervating the stomach, intestines, heart, and lungs, providing neural input about stomach distension and nutrients.

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Andrew Huberman

A key peripheral nerve pathway that transmits signals from gut neurons, including neuropod cells, to the brain, influencing motivation and craving, and also involved in social behavior in some animal models.

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Andrew Huberman

A nerve that carries subconscious signals from sugar-sensing neurons in the gut to the brain, triggering dopamine release and promoting cravings for more sugar.

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Andrew Huberman

A major nerve connecting the brain to the gut, heart, lungs, and immune system, whose stimulation increases alertness and dopamine release, contrary to the myth that it solely promotes calmness.

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Andrew Huberman

A cranial nerve connecting the brain and body, regulating emotional states by transmitting sensory and motor information from organs like the gut, heart, lungs, and immune system.

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Andrew Huberman

The 10th cranial nerve that serves the 'rest and digest' and parasympathetic calming response. Its activity can be increased by low-intensity stimulation of feet and hands, reducing inflammation.

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A key nerve in the autonomic nervous system that Wim Hof claims to influence, and which researchers like Kevin Tracey are studying in relation to immunity.

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Andrew Huberman

A major bidirectional pathway of the nervous system, involved in communication between the brain and body, capable of inducing both calm and arousal states, and highly subject to learning and association.