Polyvagal Theory, what is it:

Polyvagal Theory, what is it:

Polyvagal theory is a neurobiological framework developed by Dr. Stephen Porges to understand the autonomic nervous system (ANS) and its role in regulating social behavior, emotions, and stress responses. The theory suggests that the ANS, which is responsible for controlling involuntary bodily functions, is composed of three interconnected branches, each associated with different adaptive strategies.

Ventral Vagal Complex (VVC): This is the most evolved and recently evolved part of the autonomic nervous system. When activated, it promotes a state of calm, social engagement, and connection. It is associated with feelings of safety and is involved in positive social interactions.

Sympathetic Nervous System (SNS): This is commonly known as the “fight or flight” system. It is activated in response to perceived threat or danger, preparing the body to fight or flee. The SNS increases heart rate, releases adrenaline, and redirects blood flow to essential organs.

Dorsal Vagal Complex (DVC): This is the oldest part of the ANS and is associated with immobilization and shutdown responses. When activated, it can lead to behaviors such as freezing, dissociation, or fainting. It comes into play when the threat is overwhelming, and neither fighting nor fleeing is possible.

According to polyvagal theory, the autonomic nervous system dynamically shifts between these three states depending on the perceived level of safety or threat in the environment. The goal is to maintain a balance between the sympathetic and parasympathetic branches, allowing for appropriate responses to different situations.

Understanding polyvagal theory has applications in various fields, including psychology, trauma therapy, and healthcare. It provides insights into how our nervous system influences our behavior, emotional regulation, and social interactions. Therapeutic interventions based on polyvagal theory aim to help individuals regulate their autonomic nervous system responses and promote a sense of safety and connection.

Shervan K Shahhian