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FACT #1:

Is a major component of the parasympathetic nervous system

FACT #3:
Is a family of nerves that wander throughout the body

1. The two vagal pathways represent the evolution of the autonomic nervous system

The oldest is the dorsal branch (our reptilian ancestors) and the newest is the ventral vagal (uniquely mammalian) 

2. The ventral vagal pathway travels from the heart and is connected through pathways to the face and head: regulating how you see, hear, speak, turn and tilt your head and express emotions with your face.

This system is constantly sending and receiving information about yourself and gathering information form others.

This social engagement system sends signals either inviting or discouraging connection. It looks for warning or welcoming. 

3. The dorsal vagal pathway is the oldest most primal part of the vagus nerve and responds to cues of danger. It is a primitive nerve and common to all reptiles, including fish. It aids in the function of our lungs, hearts, and stomach. Typically, it helps our body pendulate between relaxation and arousal, however, when the sympathetic nervous system is to aroused, it’ll shut down our system and move us into a freeze state. It moves us away from connection and into protection.



FACT #2:

Is the 10th

cranial nerve


FACT #3:

Is a family of nerves that wander throughout the body


FACT #4:

Begins in the brainstem

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