The medical model says your brain has a chemical imbalance. Fix the chemistry, fix the person. After years of watching this metaphor play out across people who've lived it, I think the model is wrong — not about the chemistry, but about the metaphor.
When you're first diagnosed with depression, the story you get is mechanical. Your brain doesn't produce enough serotonin. The wiring is off. The machine has a defective part. Here are some pills to fix the part.
The metaphor is clean. It's reassuring. It means you're not broken as a person — you're just running on faulty hardware. Swap the part, recalibrate, move on.
The trajectory is familiar: SSRIs don't work, so you move to complex cocktails. The cocktails fail, so you discuss ketamine. Ketamine shows promise and then fades, so you discuss ECT. At every stage, the implicit message is the same: we haven't found the right configuration yet. Keep adjusting the machine.
But here's what the machine metaphor can't explain: why did the machine break in the first place?
The diagnosis says brain disease. The lived reality is often something else entirely.
A teenager breaks under the pressure of a competitive exam system. Not because the serotonin faucet turned off one day, but because every system that was supposed to hold them together — family communication, social safety, the ability to say "I can't tell anyone what's happening at home" — was absent.
A young professional spirals after losing a job. The clinical read is "financial stress." The lived experience is: if I'm not earning, I'm not worth anything. If I'm not building, I'm not alive.
A person who's been functional for years suddenly collapses. The doctor sees a chemical imbalance. The person sees a life that was never given the infrastructure it needed — no sleep, no safe space, no one to call at 1 AM.
The machine metaphor can't hold these stories. It only has one explanation for all of them: broken part. Swap the chemistry.
Johann Hari nailed this in Lost Connections: the doctor who prescribes antidepressants without asking "what's been happening in your life?" is treating the symptom while ignoring the source. He wrote about his own experience — thirteen years on SSRIs, doses climbing from 20mg to 60mg, the sadness always outrunning the chemistry — and the realization that came only after he stopped: "Could something other than bad brain chemistry have been causing depression and anxiety in me, and in so many people all around me?"
The answer, he found, was lost connections. Disconnection from meaningful work, from other people, from meaningful values, from the future. Not a chemical imbalance. A relational one.
Maslow's hierarchy says build from the bottom up: physiological needs first, then safety, then love and belonging, then esteem, then self-actualization. You can't build a functioning life on a cracked foundation.
But a pattern keeps appearing in the lives of people who manage to function through depression: they build from the top down. Purpose, mission, the drive to create something meaningful — that layer is often the strongest. The work, the projects, the mission-driven building — all of it can be solid, even thriving, while the foundation is collapsing underneath.
Meanwhile, sleep is destroyed. Financial safety is chronically absent. Love and belonging — the deepest wound — creates a deficit that no amount of purpose can fill. The person is building skyscrapers on quicksand.
The machine metaphor says: fix the broken part. Maslow says: the machine was never the problem. The environment was. You can't swap a serotonin part and fix a life that has no safe space, no sleep, no financial floor, and no one to call at 1 AM.
There's a specific failure mode the machine metaphor misses entirely: when your income becomes your identity, losing the income doesn't just threaten your safety — it threatens your existence.
The self-audit looks like: Anger, Emptiness, No control over spending, Fear of losing job, Rumination, forceful sleep despite severe sleepiness. Anger and job-fear in the same breath. Emptiness and spending in the same list.
The machine model classifies this as a symptom of depression — low self-worth, a cognitive distortion to be corrected with CBT. And maybe it is. But the correction isn't in the therapy alone. It's in the structural reality: when you've been borrowing money to survive, the shame isn't a distortion. It's an accurate read of a terrible situation. The machine didn't misfire. It correctly registered that the environment was hostile.
The reframe that changes everything: "remission instead of reversal."
Reversal means going back to the way things were. Back to the pre-depression version of yourself. That version is gone. It was never coming back. The identity you had before the diagnosis shattered, and no amount of chemical recalibration was going to un-shatter it.
Remission means something different. It means: this condition is something you manage, not something you cure. It means: you build the infrastructure — therapist, health stack, sleep treatment, financial floor — and you maintain it. Not because the machine is fixed, but because the machine was never the point. The point is the life you build around the condition.
This reframe is hard to arrive at. Not because no one says it, but because the machine metaphor makes it almost impossible to hear. If your brain is a machine with a broken part, then the goal is always repair. The idea that there might not be a repair — that the goal is management, infrastructure, and the slow construction of a life that works despite the condition — feels like giving up. It isn't. It's the opposite.
The chemistry matters. Depression is not a choice, not a weakness, not a failure of willpower. It is a condition that requires medical intervention. SSRIs, ketamine, the complex cocktail — these keep people alive. The machine metaphor gets one thing profoundly right: this is not something you think your way out of.
But the metaphor gets the scope wrong. Depression is not a broken part in an otherwise functioning machine. It's a condition that sits inside a life — a life with relationships, finances, sleep, safety, purpose, belonging. Treating the chemistry while ignoring the life is like fixing the engine while the house is on fire.
The doctor in Hari's story never asked what was happening in his life. Twelve years of prescriptions, doses climbing, the sadness always outrunning the chemistry. The machine metaphor made those questions feel irrelevant. You don't ask a dementia patient why they can't remember where they left their keys. But depression isn't dementia. The questions matter. The life matters.
You're not a machine with broken parts.
You're a person living in a specific environment — with specific connections, specific stressors, specific absences. Some of those absences are clinical and require medication. Some of them are structural and require infrastructure. Some of them are relational and require other people.
The machine metaphor collapses all of these into one category: fix the brain. The lived reality is that you have to fix the sleep, and the financial floor, and the safe space, and the relationships, and the purpose — all while the brain is doing its thing. Not instead of treating the brain. Alongside it.
"Remission instead of reversal" is the honest language. You're not going back to who you were before the diagnosis. You're building forward into who you are with the condition — managed, maintained, supported by infrastructure that didn't exist before.
The machine metaphor says: find the broken part. The truth is: there was never a broken part. There was a person who needed things that weren't there — sleep, safety, connection, a floor — and who spent years being told the problem was in the hardware.
The problem was never in the hardware. The problem was in the life. And the life is something you build.
The frameworks referenced — Maslow's hierarchy, the machine metaphor, the concept of "remission instead of reversal" — are analytical tools, not clinical recommendations. Depression is a medical condition that requires professional care. This post argues for expanding the scope of that care, not replacing it.
Co-authored with my second brain, Obsidian.
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