Co-authored with Sarah Bergenfield
Do you ever suddenly become calmer, more curious, and more compassionate, not because your problems disappeared but because something shifted inside? From the perspective of Internal Family Systems (IFS), you’re experiencing a distinct state of consciousness called Self. IFS is all about engaging this kind of consciousness in the context of the idea that the mind is plural: We all have parts (as in, one part of me wants to go for a walk, but another wants to take a nap).
If you wonder what parts are, we can’t tell you. We can only describe the experience. They are individuals, each with their own developmental age, experiences, and perspective. They live in a community and share the ultimate goals of survival and safety. Self, on the other hand, is not a part. It’s more like a compass for the inner community of parts. Most people grasp Self best experientially, but sometimes we need words to introduce and explain the concept. When this need arises, IFS practitioners tend to reach for metaphors that hail from physics and spiritual traditions. While these serve well for some people, they’re too abstract for others.
So, here’s another option. Neuroscience tells us that the brain builds a predictive model of the world beginning in childhood and then experiences what it predicts, registering prediction errors throughout life to update its model. In the process, it must decide which errors deserve conscious attention (signal) and which do not (noise). Most prediction errors, as it turns out, are inconsequential and can safely receive an automatic, unconscious update (the mug on the counter has moved since I was in the kitchen this morning). But sometimes a mismatch is worth conscious notice (wait a minute – I thought I was alone in the house) and it leads to feeling uncertain.
Uncertainty can arise from experiences along a continuum from the simple inconvenience (I can’t find my keys. Why did I walk into this room? When will Joe text me?) to the very big deal (I got fired, my spouse is leaving me, I’ve been diagnosed with cancer, my father just died of a heart attack). While events along this continuum are likely to have widely varying impacts, they share one critical effect: They create uncertainty.
The brain prefers certainty. Since we expend less energy and function better when the world makes sense, the brain is always striving to predict with accuracy. At the same time, prediction errors propel learning. We need uncertainty, but just enough. Too much overwhelms; enough enlivens. The trick is to balance surprise and predictability. Take travel, for example. When we travel, we’re looking for rousing doses of surprise. If that’s what happens, we return feeling refreshed, and we see new angles to routine environments.
Contrast this with irresolvable uncertainty. Faced with unpredictability that cannot be reduced through learning or action, protective parts work to make things predictable again by constructing coherent explanations about other people, ourselves, and the world. These stories may or may not be accurate, but in the moment they reduce uncertainty and make experience feel more manageable. By the time the limitations of these invented stories become apparent, they are often deeply held, hard-to-shake predictions that color our beliefs and expectations in subtle or extreme ways. Every solution has benefits and costs.
IFS conducts internal inquiries, which usually start with curiosity about the protectors who are trying to ward off uncertainty and make the world more predictable by controlling other parts and other people. To approach them respectfully, without judgment, we need the brain to be flexible and capable of holding multiple perspectives without being defensive. IFS calls this state of mind Self. In the language of predictive processing, we propose that Self emerges when the brain reaches a state of balanced precision, a computational sweet spot in which neither prior expectations nor real-time sensory information are given excessive importance. In this state, the brain can hold expectations lightly, see prediction errors as opportunities for learning, and update its world model efficiently. Isn’t that what we want?
Here are the core qualities that show up in the brain on Self. IFS calls them the 8 Cs:
Curiosity: When we are curious, prediction errors function as useful information. In the language of IFS, they are a trailhead.
Clarity: The balanced brain discerns noteworthy signals from unimportant background noise.
Confidence: Confidence doesn’t come from certainty. It comes from trusting that mistakes and failures will improve our model of the world.
Creativity: Creativity requires uncertainty. Flexible brains generate possibilities instead of defending certainty.
Connectedness: The balanced brain can take in multiple perspectives at once and appreciate the kernel of truth or importance in each.
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Calm: A nervous system that is free of overly-precise threat predictions can engage alertly, like a skilled athlete.
Courage: Parts who are connected with Self have the courage to abide uncertainty and update even deeply held predictions.
Compassion: In a state of balance, we are able to be compassionate. We are curious about parts, feeling for them with a stance of caring, concern, and the willingness to act on their behalf. Self asks: What uncertainty is this part trying to resolve?
We’re not suggesting that predictive processing can fully explain the nature of Self or that neuroscience can replace the inquiry of IFS into subjective experience. Rather, it offers a plausible account of the computational conditions under which Self emerges. When the brain is in a state of balanced precision, neither clinging to existing beliefs nor overwhelmed by new information, it is flexible, open to learning, and ready for whatever comes. IFS calls this experience Self-energy. Understanding Self in this way bridges first-person experience and neuroscience, making a profound idea more accessible without diminishing its mystery. Some experiences remain difficult to capture in words. Self may be one of them. But if neuroscience helps more people recognize and trust this state within, let’s bring it to the conversation.
