For a hundred years, two frameworks dominated our understanding of why humans reach for substances. Both were revolutionary. Both were incomplete. And both were drawn before we had the tools to see what was actually happening inside the brain.
The Old Maps: Freud, Jung, and the Limits of the Twentieth Century
For a hundred years, two frameworks dominated our understanding of why humans reach for substances.
Sigmund Freud gave us the pleasure principle — the idea that the psyche is fundamentally organized around seeking pleasure and avoiding pain. His model of the id, ego, and superego cast addiction as a failure of the ego to mediate between primitive drives and civilized restraint. The addict, in Freudian terms, is someone whose reality principle has collapsed under the weight of the pleasure principle. It was a start. But it was also a dead end — because it reduced the person to a hydraulic machine, leaking desire from one chamber into another, with no room for meaning, purpose, or transformation.
Freud himself was not immune. He spent years championing cocaine as a miracle drug, prescribing it to patients and friends, before watching his colleague Ernst Fleischl von Marxow descend into psychosis and death from the very substance Freud had recommended. The father of psychoanalysis could not psychoanalyze his own blind spot. The pleasure principle explained the reach but not the hunger beneath it.
Carl Jung went deeper. His concept of the shadow — the repressed, disowned aspects of the self — offered a more dimensional map. Jung saw addiction as a spiritual crisis, famously writing to Bill Wilson (co-founder of Alcoholics Anonymous) that the craving for alcohol was "the equivalent, on a low level, of the spiritual thirst of our being for wholeness." For Jung, the bottle was not the problem. The bottle was a misdirected prayer.
Jung's framework was more generous than Freud's. It acknowledged that the person reaching for a substance might be reaching for something sacred. But it still operated within a model of individual pathology — the shadow was your shadow, the integration was your work, and the container was the analyst's office. It could not account for what neuroscience would later reveal: that addiction is not merely psychological but neurobiological, not merely individual but social, not merely about the past but about the future the person cannot yet imagine.
Both maps were drawn before we had fMRI machines, before we understood the Default Mode Network, before we could watch in real time as psilocybin dissolved the rigid self-narratives that keep people imprisoned in their own stories. Freud and Jung were brilliant cartographers of a continent they could only see from the shore.
The new cartographers have been to the interior.
Next in the series: The New Cartographers — six thinkers who are completing the map Freud and Jung began, with tools the twentieth century could not have imagined.