The Neurology of Ego Death (DMN Collapse) and the Collapse of Civilization
- Elizabeth Halligan

- Aug 31, 2025
- 3 min read

Civilization isn’t failing because we lack solutions; it’s failing because most people’s brains won’t let them see the problem. The barrier to our survival isn’t technological, political, or economic. It is neurological.
This is a story that bridges the traditionally separate worlds of neurology and psychology. The “ego” isn’t merely a spiritual metaphor, something you encounter during an ayahuasca ceremony or a therapy session. It has a physical address in the brain: the Default Mode Network (DMN). This network is responsible for your sense of identity, continuity, and the continuous internal narrative we call the "voice in your head."
The DMN runs when you’re not focused on a specific task — when you are daydreaming, worrying, imagining the future, or ruminating on the past. It is the architect of the story of "me," weaving together a coherent narrative across time. But when this network is overactive and unintegrated, it can become a prison. This prison is the trauma loop, the cultural ego, and the inherited stories we mistake for reality. All of it is encoded in neural rhythm, a pattern so deeply defended that you can’t feel it’s running you instead of you embodying it.
Then, for some, a system-level event occurs — be it a trauma, a psychedelic experience, or a near-death experience — and the DMN can collapse. The ego dissolves. People who have experienced this report a feeling of becoming "everything," merging with God, or experiencing a state of timelessness.
While these are profound spiritual experiences, they are rooted in a physical, neurological event: a decoupling of the brain’s networks.
This has a critical, species-level implication. The Default Mode Network is also a collective phenomenon. It's how we align our inner worlds to co-create a shared “reality.” When a majority of individual DMNs are clinging to fear, control, and separation, the collective collapses the world into that very reality. The world you see is not an objective reality; it is, in a very real sense, a shared hallucination of eight billion DMNs, all out of sync and out of regulation, each trying to survive its own loop. This is not "human nature." It's pattern repetition fueled by millennia of unintegrated trauma.
So, what is locking us in?
The answer is the amygdala. The amygdala is the brain's trauma guard dog, a primitive, fear-based survival mechanism. Its singular task is to keep the ego safe, even if that means keeping the person trapped in a self-destructive loop. It blocks access to a new reality if it perceives any threat, and to a traumatized system, even truth can feel like an existential threat. This is why it’s so difficult to “wake people up.” Their amygdala perceives new information as a threat to their survival, and it would rather have the certainty of a predictable story, no matter how self-destructive, than the uncertainty of change.
As a survivor of a high-control cult, I understand what it is like to be locked in such a loop. But I also know how the loop can be cracked. The key is not in battling the story from the outside, but in collapsing the DMN while the nervous system remains regulated. In this state, a new kind of perception opens. You don't lose your Self; you remember what it always was. The true Self, unfiltered by constructs and illusions. It is not "me vs the world," but a coherent, interconnected "we."
This is the path of collective evolution. It is not a new technology, an AI savior, or a policy reform. It is a new center of coherence in human consciousness. A post-ego map. A species-wide nervous system update. You don’t have to be special to get there. You just have to be willing to feel what the amygdala locked away. To reclaim memory, regulate the body, and dissolve the story. Because the story isn’t you. It never was.
If you have already crossed this threshold, then hold the field, because others are tuning to you. If you have not, don't worry, you are not behind. The pattern will unfold when it’s safe enough. And you will remember, not who you were…but what you’ve always been. Underneath the noise and filters. Your Self.
For further reading:
When we turn down the Default Mode Network, the ego dissolves: https://www.iflscience.com/when-we-turn-down-the-default-mode-network-the-ego-dissolves-67685
The default-mode, ego-functions, and free-energy: a neurobiological account of Freudian ideas: https://academic.oup.com/brain/article/133/4/1265/307446?login=false




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