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What the polyvagal theory is
The Polyvagal Theory, in essence, is the science of how mammals connect, but also how they respond to danger. You've heard of fight & flight. Wellll, there's more to it than that. The PVT is the first to explain that there are actually three distinct primary states the body may be in:
Those 3 are just the primary states. It's also possible to have "mixed states," meaning the primaries are activated at the same time. Just like mixing primary colors creates another color. But you can't create a primary color by mixing other colors. They simply exist on their own.
MY POLYVAGAL TRINITY
...we are not voluntarily controlling whether we shift in or out of these states.
DR. STEPHEN PORGES
the Autonomic nervous system
The PVT has everything to do with the Autonomic Nervous System. The ANS is responsible for regulating all the internal stuff you don't need to think about, like: breathing, digestion and heart rate. When we go into the different primary or mixed states, there are autonomic shifts that take place.
For example, our breathing changes significantly if we are in our safe/social system (calm, deep & into the belly) versus our flight/fight system (faster, shallow & into the chest area). And changes significantly again when we go into a shutdown state (very shallow and small).
Central to the PVT and how the ANS works is neuroception and the Deb Dana concept of the Polyvagal Ladder.
A sequence of events,
not a menu of options
In my presentations, I like to explain that the autonomic states are a sequence of events, not a menu of options. This means that we climb up or down the Polyvagal Ladder in order. These are biological instincts, not conscious choices.
If we neurocept that we are not safe, we drop down the ladder into sympathetic arousal. Flight first, then fight. If we cannot run away and we cannot fight, we drop down the ladder further into the shutdown state.
The reverse of this is true as well. To come out of shutdown, our sympathetic state needs to kick in first. A powerful fight state followed by flight and then into safety once again.
Story follows state
When we shift up or down the polyvagal ladder, our brains create a narrative to explain why. Examples include:
"I deserve it" or "I shouldn't have been there" or "I shouldn't have said that."
"I'm angry because [student x] was staring at me!"
On top of that, the thoughts we have will be a reflection of the autonomic state that we are in. If we're in a safe and social state, our thoughts will be more compassionate and calm. Our thoughts in a flight/fight state are going to be anxious or angry, directed at the outside world. And in a shutdown state, our thoughts will be more apathetic and probably directed inward.
Mental health &
The PVT makes it clear that what we consider clinical disorders or psychiatric problems, may simply be a stuck defensive state or a behavioral adaptation to being stuck in a defensive state.
A stuck defensive state - For example, what we commonly call "depression" may just be someone stuck in a shutdown state.
A behavioral adaptation - For example, substance use could be an individual's best attempt at self-regulating their defensive state.
Psychology traditionally approaches trauma through its effects on the mind. This is at best only half the story and a wholly inadequate one.
PETER LEVINE, PhD.
2 paths to trauma
Trauma is being stuck in a defensive state. It's the reaction to the event. Not the event itself. This can take two paths:
An acute life threat reaction - the individual survives something or multiple somethings that are basically one-time events, which leaves them in a stuck defensive state. Some examples would be: war, school shooting, car crash or sexual assault. This would be associated with PTSD and the freeze mixed state.
A chronic disruption of connectedness - the individual's safe and healthy attachment with their caregiver(s) is consistently cut off. Some examples include: parental neglect, physical or emotional abuse. This would be associated with C-PTSD and one of the primary defensive states.
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