The Marginalian · People & society

Polyvagal Theory: The Vagus Nerve's Role in Connection

Polyvagal theory, by Stephen Porges, explains how the vagus nerve regulates safety and connection. It emphasizes the body's influence on mental and emotional states.

The vagus nerve, from brain to gut, influences bodily functions and mood. Neurotransmitters, discovered by Otto Loewi, are key to its signaling.

Porges identified two vagal pathways: the dorsal vagus for fear response and the ventral vagus for connection and communication.

Deb Dana explains how trauma activates the dorsal vagus. Rewiring neural pathways can shift to the ventral vagal state, promoting growth.

The ventral vagus, or "social vagus," is vital for health and connection, enabling reciprocity in relationships.

Neuroception is the autonomic nervous system's unconscious response to safety or danger cues, shaped by early experiences.

Trauma can disrupt co-regulation, making connection feel unsafe and hindering regulatory skills.

The mind narrates nervous system states. Reciprocal relationships can recalibrate fear-based responses and foster connection.

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