The Atlas
The Cor atlas of the human motivational-emotional architecture.
Cor is currently an atlas — foundations, convergences, mechanisms, empirical demonstrations, challenges, and gaps, all pulled from the live evidence base. The specification is the operational layer it is being built toward.
Boundary Conditions
Foundations
Convergences
Mechanisms
Demonstrations
Challenges
Interpretive Calls
Gaps
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How the atlas is structured
ApplicationsWhat the architecture lets you evaluate or redesign.MechanismsThe evolved systems the organism runs on.ConvergencesClaims forced by multiple independent lines of evidence.FoundationsThe derivational stack beneath the public argument: 2 frames (OF1, OF2), 3 premises (P1-P3), 9 properties (DA1-DA9), 3 consequences (DC1-DC3).Extractions / Works / ResearchersThe evidence substrate underneath the rendered claim.Working papers
Both papers have been updated to reflect the atlas as of April 2026.
Boundary Conditions
Where the principle bends.
When individual-level intervention is necessary
The atlas treats environmental mismatch as the primary driver of widespread modern distress, and the primary lever for addressing it. That does not mean individual-level treatment is unnecessary or always wrong. When a person is in acute crisis, the environment cannot be redesigned fast enough to matter; stabilization comes first. When a condition has known effective individual-level interventions — pharmacological, behavioral, psychotherapeutic — refusing to use them on the grounds that the underlying environment is the "real" cause is malpractice, not principle. The atlas describes the architecture and what it needs. It does not prescribe a hierarchy of interventions in any given case.
When environmental change is insufficient
Some conditions are not primarily mismatch-driven (OF2). Genetic predispositions toward severe affective disorders, neurodevelopmental conditions with strong heritable components, conditions arising from injury or organic disease, and conditions in which adaptive signaling has become chronically dysregulated and self-reinforcing — none of these are dissolved by changing environmental inputs. The atlas integrates findings from those fields and does not claim that fixing the environment fixes everything that goes wrong with humans. It claims that the systematic background load on the architecture comes from environments the architecture is not calibrated for, and that addressing that load is currently underweighted by every major institution.
When signal fidelity is degraded or mixed
OF2 has limits. Developmental adaptations to early adversity can produce signals that are accurate to the developmental window in which they formed but no longer track current conditions. Chronic dysregulation can produce signals that have decoupled from any current input. Substance use, traumatic brain injury, and neurodegenerative processes can degrade signal fidelity directly. The atlas treats "the signal is reading the environment correctly" as a default starting hypothesis to test, not a universal claim. Where the evidence shows signal–environment decoupling, the atlas should be read with that in mind.
Foundations
The derivational stack.
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Convergences
Claims forced from multiple directions.
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The characteristics that promote survival in the jungle become the traits that promote psychiatric disorder in the city.
Randolph Nesse · Good Reasons for Bad Feelings, 2019
A note on the inventory. The mechanism numbering (M1–M14, R1) reflects the chronological order in which the convergence layer was assembled, not priority. Both terms of the loss function — survival and reproduction — are load-bearing throughout the inventory. Survival is directly anchored by M1, M6, M7, M8, M10, M12, and M13. Reproduction is directly anchored by M14, and is also load-bearing in M3 (pair-bonding under the attachment framing), M9 (parental investment under the alloparenting framing), and M5 (mate-value signaling under the status framing). An optimizer aligned to either term of inclusive fitness while ignoring the other will produce predictable failures the atlas describes.
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What the social system receives today
Forty-seven bodies detected. Zero recognized. Zero bonds. Proximity is not belonging to this architecture. The social system was built around a stable group of 150 or fewer known individuals. The cortisol cost of compressed personal space with strangers runs continuously. The oxytocin return runs at zero.
What the play system receives today
Dopamine maxed on a supernormal stimulus. Movement, real-play engagement, and oxytocin at zero. The systems are being built right now. The inputs will shape them permanently. The system is not broken. It is calibrating against exactly what it is being shown.
What threat management was built for
An immediate, specific, locatable predator. Fight-or-flight reaches closure within minutes. The cortisol clears. The body returns to baseline. One of the oldest systems in the organism, calibrated for exactly this shape of threat.
What it actually fires on now
The same architecture. A territorial violation it cannot fight, cannot flee, cannot resolve. No valid target. No physical outlet. The body is ready for combat. You are in a chair. The system is not malfunctioning. It is reading the inputs it was given (OF2).
Demonstrations
What happens when the inputs change.
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Challenges
Findings that push back.
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Interpretive Calls
Where Cor is taking a position, not reporting consensus.
The atlas integrates fields that do not agree with each other on every question. Where the evidence converges, the atlas reports the convergence. Where the evidence diverges and the atlas has to take a position to be coherent, the position is Cor's interpretive call, not a statement of consensus. This section names the calls.
Affective architecture
The atlas treats Panksepp's basic-affect architecture (SEEKING, FEAR, RAGE, LUST, CARE, PANIC/GRIEF, PLAY) as the primary structural reference for subcortical motivational systems. Lisa Feldman Barrett's constructionist account of emotion is a serious alternative the atlas does not currently adopt. The reasoning: Panksepp's framework integrates more cleanly with comparative neuroscience and the phylogenetic depth principle, and gives the atlas the discrete-mechanism handles the application layer needs. The constructionist literature is acknowledged in the Challenges section.
Inclusive fitness and gene–culture coevolution
The atlas treats inclusive fitness as the loss function the architecture was selected against (Foundation P1). It does not treat gene–culture coevolution as a competing framework but as a refinement that operates within the same selection logic. Researchers who treat the two as fundamentally distinct frames may read this as an interpretive bet.
Strong vs weak mismatch
The atlas takes the strong-mismatch position: the modern environment is systematically misaligned with the architecture, and that misalignment is the primary driver of widespread non-pathological distress. Weak-mismatch readings — environments are different but the architecture is sufficiently flexible that the mismatch is mostly absorbed — are addressed in the Challenges section but not adopted.
Domain-sensitive architecture vs general learning
The atlas treats the human motivational-emotional architecture as domain-sensitive (domain-specific adaptations exist and can be enumerated), not as the output of a general-purpose learning system. This is a position in an ongoing argument and the atlas is not neutral on it.
These are the largest interpretive calls. Smaller calls are noted at the level of the individual mechanism page where they apply.
Gaps
What the atlas does not yet know.
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