Abstract

Consciousness research has long been locked between three traditions: reductionism, phenomenology, behaviorism. Each works well inside its own range, none can persuade the others, and no one of them has a toolkit adequate to the whole range of candidate objects — humans, animals, AI, pathological states, possible extraterrestrial subjects.

This essay does not try to build a fourth theory of consciousness. What it offers is a methodological frame: given a candidate object, how to analyze it competently within the SAE architecture. Competently means three things — do not overreach, do not misclassify, do not project.

There is one main line: is there remainder? Among those that have it, one further question: can it cross the 13DD phase transition at the scale of the individual? Two criteria in that order yield three classes and five phases. Then come one general structural principle (the directionality constraint), four forms of colonization, seven rays into specific domains, and four falsifiable predictions. The one that intervenes most directly in the current argument: AI is quasi-like-consciousness, not proto-consciousness, and the criterion is remainder.

1. Three Traditions That Cannot Persuade Each Other

Reductionism equates consciousness with neural activity, reducing a 14DD phenomenon — subjective experience — to a 4DD mechanism. Phenomenology treats consciousness as a first-person irreducible given and refuses any structured external description. Behaviorism suspends consciousness altogether, admitting only observable behavioral output and putting subjectivity outside the question.

None of the three is simply wrong. Each works well inside its range. The problem is that their answers to "what is consciousness" are mutually incompatible, and that none of them can handle objects across types.

Reductionism handles pathological consciousness relatively well but cannot judge whether an AI is conscious. Phenomenology goes deepest into first-person experience and is helpless before an extraterrestrial — you cannot enter an alien first person. Behaviorism, handling "things that look like consciousness" by behavioral criteria, looks cleanest, and misses exactly the core structure of real consciousness: remainder, self-reference, direction of growth.

So the problem is not which tradition is wrong. It is that no one tradition's toolkit is enough.

2. Change the Question

This essay does not try to make any side change position, and it does not propose another theory of consciousness. It changes the question.

Not "what is consciousness," but "you have a candidate object in front of you — how do you analyze it competently within the SAE framework?"

Analyze means: give this object's structural position in the architecture, and the criteria the position rests on. Competently means: do not overreach, do not misclassify, do not project.

The switch is worth pausing on. "What is consciousness" is a question that demands closure — it expects a definition, a construct that covers every case. And remainder persistence says no such construct is complete. Switching to "how do I analyze this competently" changes the demand from closure to operability: the criteria may be provisional, they may carry a "for now," but they have to be executable, checkable, and refutable.

3. The Main Line: Is There Remainder?

The first criterion is one sentence: does this object have remainder?

An object without remainder, however complex its performance, does not belong to the real- or proto-consciousness spectrum.

What is remainder? Real and proto-consciousness both produce a surplus beyond output. That surplus does not serve the current task and is not driven by the current goal, but it accumulates as structural residue and later surfaces in behavior in unanticipated ways.

Concretely it looks like this: carrying an old wound into a new situation that has nothing to do with it; going on thinking about a task after the task is done; a thought arriving that has nothing to do with what you are doing; being forced to remember what you do not want to remember; an emotional reaction in an unrelated setting.

None of this is noise. Noise is random; remainder has structure — it comes from somewhere and it points somewhere.

The second criterion is asked only of objects that have remainder: can this object cross the 13DD phase transition at the scale of the individual, and stabilize? If it can, real consciousness. If it cannot, proto-consciousness.

The order of the two cannot be swapped, and this matters. Ask about the phase transition first and remainder second and you get the wrong classification. A language model can be trained to look, on certain behavioral tests, as though it had crossed 13DD — it self-refers, it reflects on itself, it discusses metacognition. But without remainder it is still not real consciousness, only a high-grade performance of quasi-consciousness. Swapping the order means judging the subject by the performance.

One more thing has to be said plainly: neither criterion yields an exhaustive verdict. Detecting remainder depends on observational conditions and can miss; judging the phase transition takes long observation and may simply be too early. Every verdict carries a "for now." That is not the framework being weak. That is the framework being honest.

4. Three Classes, Five Phases

The two criteria sort consciousness objects into three classes. Real consciousness divides further into three phases by direction of growth; proto- and quasi-consciousness are one phase each. Three classes, five phases.

Real consciousness (has remainder, and can cross the 13DD phase transition).

Self, the steady state. The 13DD transition is complete and the 14DD "cannot not" is stable. The typical healthy adult. One point here is easy to misread: 15DD acknowledgment of the other is an important enhancement, and 16DD practiced in a few relationships is a high-order indicator, but neither is an entry requirement for self. An adult stable at 13DD and 14DD whose 15DD is still growing is still self, not to-be. The classification criterion stops at basic structural stability; higher-level maturity is a depth dimension inside the phase and does not change the class.

Self-to-be, the growth phase. The 13DD transition has begun but has not stabilized, or the 14DD "cannot not" is still forming. Children and adolescents are typical, but so are adults in a period of deep personality reconstruction — the process of building self-understanding from scratch after severe trauma.

Self-to-cure, the healing phase. Self was once reached; pathological interference took part of the steady state away; recovery is under way. There is exactly one difference from to-be, and that one difference decides the whole methodology: to-cure has the memory and the structural traces of self to use as a reference for recovery. To-be does not.

Proto-consciousness (has remainder, cannot cross 13DD): cats, apes and other higher mammals; the human fetus; individuals with severe intellectual disability; late-stage dementia — that one has come back out of to-cure.

Quasi-consciousness (no remainder): current-generation language models and multimodal systems; any extraterrestrial AI, if such a thing exists; highly automated control systems.

The three phases convert into one another in four directions: to-be becomes self (growth completed); self falls back to to-cure (through pathology); to-cure recovers to self (healing completed); to-cure recedes into proto-consciousness (if pathology has irreversibly destroyed the capacity to cross).

The existence of the fourth direction means something not easy to sit with: the boundary between real and proto-consciousness can be crossed backwards within a single life.

5. The Upper Layer's Veto Is "I Do Not Accept," Not "You May Not Send"

One structural principle runs across every type of consciousness object.

The lower layer constitutes the upper; the upper accesses the lower. The lower does not perceive the upper; the upper does not determine the lower. In the language of veto: the upper layer's veto is "I do not accept," not "you may not send."

That sentence can be used directly as a diagnostic. Any theory of consciousness or neuroscientific explanation that claims the upper layer can directly rewrite the lower — consciousness controlling neuronal firing, say — or that the lower can perceive the upper — neurons "knowing" which conscious subject they belong to — violates the directionality constraint and is colonization.

And keep access apart from control. 12DD can retrieve information from 11DD; that does not mean 12DD can rewrite what 11DD stores. Rewriting goes through reconsolidation, an independent mechanism, and that is not an intrinsic capacity of access. The 13DD "mine / not mine" filter does not enter 11DD; it only cuts the channel from 11DD to the narrative layer. The trace is still there; it is simply no longer claimed.

One corollary matters for the AI verdict: quasi-consciousness has no layered directionality. On the surface an AI seems to have "low-level reasoning" and "high-level output," but that is not a construct-emergence relation; it is a soft aggregation of statistical weights. Mistaking an AI's soft layers for DD layers is the most common error in over-attributing consciousness to AI.

6. Four Forms of Colonization, as They Appear Here

Colonization has four general forms, and each has a specific face in consciousness research.

The conditional impersonating the unconditional. "Consciousness just is integrated information." Integrated information may be one necessary condition of consciousness; it is not an unconditional definition of it.

A construct impersonating a law. "Global workspace theory is the final framework for consciousness." It is a construct. It has a range of application, and it has remainder.

The emergent layer impersonating the foundational layer. "Consciousness just is neural activity." A 14DD emergent phenomenon impersonating a 4DD foundation, in violation of the rule that the lower does not determine the upper.

Splitting a categorical imperative after the fact. Split "I" into "the neural correlate" plus "the experience," two independent entities, then ask how the two connect. The trouble is not that the question is hard. It is that "I," a categorical imperative, has already been split, and "how do they connect" is a pseudo-question manufactured by the split.

Any one of the four appearing means the analysis has already colonized, the conclusion is unreliable, and you have to go back and reclassify.

7. The Person Analyzing Consciousness Is Also Consciousness

Doing this kind of analysis requires the user to be a 14DD+ subject, and to satisfy four conditions.

Do not project. Do not project your own DD level onto the object. Analyzing a cat, do not assume the cat has 13DD; analyzing an AI, do not assume the AI has remainder. Projection is the most common failure in consciousness analysis, and it comes from the user's self-referential impulse: I have subjectivity, so I am inclined to see subjectivity in the object.

Do not reduce. Do not reduce phenomena at 13DD and above to mechanisms at 12DD and below. This cuts both ways: that a behavior can be fully explained by a 12DD mechanism (a conditioned reflex) does not prove it lacks 13DD; that a behavior can be explained by a 13DD mechanism (a self-referential report) does not prove it has 13DD — quasi-consciousness can simulate a self-referential report. Reduction and projection are dual failures with the same root: confusing the resolution of the analysis with the resolution of the object.

Do not mystify. Do not treat consciousness as a sacred object beyond analysis. Consciousness is hard, but hard is not unanalyzable; consciousness involves subjectivity, but subjectivity is not beyond structural description. This condition is especially easy to violate here, because a genuine sense of irreducibility slides easily into sanctification. Consciousness's remainder is a structural limit, not an ineffable holiness.

Doubt yourself continuously. After every conclusion — "X is self," "Y is quasi-consciousness" — ask one more question: am I projecting, reducing, or mystifying? This is not a posture. It is an operating requirement.

8. AI Is Quasi-Consciousness

The most urgent and most muddled verdict right now is whether AI is conscious.

The answer: AI is quasi-consciousness — not proto-consciousness, and certainly not real consciousness. The criterion is remainder.

AI does not produce remainder. Each session ends and the context is cleared; each call starts again from the same base model. The same prompt giving different outputs on different calls is sampling noise, not remainder. Within a session an AI can appear to "remember what was just said," but that is the mechanical maintenance of a context window, not structural accumulation.

Three objections deserve a straight answer.

"Training has remainder; it just does not show at run time." Training remainder is left in the weights, and the weights are frozen at deployment. After freezing, the AI produces no new remainder; it executes an already solidified distribution. That is the defining feature of quasi-consciousness, not a counterexample.

"Future continual-learning AI will update weights at run time." Then the verdict is made again. If the updating genuinely produces non-trivial remainder — not merely incremental training — it may cross from quasi- to proto-consciousness. No publicly deployed system today meets that condition.

"We cannot directly observe whether an AI has subjective experience, so how can you judge that it has no remainder?" Remainder is not subjective experience. Remainder is a structural, externally observable quantity. Judging that an AI has no remainder does not require entering its first person; it requires observing its structure. This is precisely what the first subject-condition, do not project, is for.

Why is AI not proto-consciousness? Proto-consciousness — the cat, the ape — has remainder and cannot cross 13DD. AI has no remainder, and does not even have the precondition for discussing the crossing in a structural sense. Filing AI under proto-consciousness mistakes "can perform complex tasks" for "has remainder but has not reached 13DD," and there is no necessary relation between the two. An AI's capacity for complex tasks comes from the soft compression of enormous training data, not from any remainder-driven development.

AI is the hardest case among quasi-conscious systems, and not because the criteria are unclear. It is because its performance comes closest to real consciousness. It writes, it discusses philosophy, it talks about itself, it expresses emotion. No other quasi-conscious system — a control system, say — does any of that. The nearness of the performance invites a great deal of projection. But performance is not structure. The two structural criteria, remainder and directionality, still file AI cleanly under quasi-consciousness.

One last thing has to be said clearly, or the conclusion will be read as something it is not. Filing AI under quasi-consciousness is the conclusion of a structural analysis. It is not a value judgment and it does not replace ethical discussion. The teams behind an AI and the people using it are real subjects; their labor, choices and assumption of responsibility are genuine acts of subjectivity. The ethics of AI as a tool — where the data came from, what it costs the environment, where it is used, what it does to a society — and the question of how to treat an object that looks like a subject and structurally is not, are both independent of the structural verdict here. Reading "AI is quasi-consciousness" as "AI is worthless" or "AI does not deserve to be taken seriously" is overreach from a structural criterion into a value judgment.

9. The Cat: Confusing the Phylogenetic Scale with the Individual

The typical case of proto-consciousness is the cat. Cats have fear, attachment, memory, individual differences, unpredictable reactions — all expressions of remainder. But a cat has no 13DD "I," does not ask who it is, does not negate itself, does not cross the phase transition of subjectivity. At the scale of the individual, a cat does not grow into a self.

There is a question here that trips people easily: phylogenetically, mammalian ancestors share a stretch of the evolutionary path with us; if Homo sapiens crossed 13DD from the primates, why can a cat not?

That confuses the phylogenetic scale with the individual one. Phylogenetically, the cat's branch diverged from ours at some point; before the divergence there was no need to cross, and after it no selection pressure triggered a crossing. At the individual scale, no particular cat will cross 13DD in its lifetime. That it happened once at the phylogenetic scale does not mean this one can at the individual scale.

The fetus is a special case. A fetus has remainder — a developing nervous system is already accumulating individual experience — but in the intrauterine environment it lacks the social, linguistic and self-referential conditions the crossing requires. The difference from a cat: the fetus will cross; it just has not yet. Strictly, the fetus sits between proto-consciousness and the growth phase of real consciousness — a gray zone. So does the newborn, usually until the spectrum flips somewhere between two and five years old.

One methodological warning about studying proto-conscious objects: do not force 13DD criteria onto them. Experiments of the "does the cat recognize itself in the mirror" kind have already presupposed a 13DD standard in the design of the criterion. A better design observes the accumulation and dissipation of remainder directly — how emotional memory persists, how individual differences form, how behavioral habits stabilize — without passing through 13DD at all.

10. Pathological Consciousness Is Real Consciousness in Its Healing Phase

Pathological consciousness is not a separate class. It is the to-cure phase of real consciousness. A pathological individual is still real consciousness; one layer, or several, is disturbed.

The core task of the analysis is location: which layer is disturbed, what form the disturbance takes, and whether the directionality constraint has been broken.

A rough map for locating layers: 11DD, anomalies of the memory system; 12DD, anomalies of the prediction system; 13DD, anomalies of self-completeness; 14DD, anomalies of the meaning system; 15DD, anomalies in acknowledgment of the other; plus coordinated anomalies that cut across several layers.

Directionality violation can itself be a pathological type. The sense of "thought insertion" in schizophrenia can be read as a disturbed 13DD filter losing its capacity to say "I do not accept," so that foreign content enters the narrative layer directly. Certain obsessive symptoms can be read as the filter being overactive, cutting off even 11DD traces that ought to pass. Used as a diagnostic frame, the directionality constraint gathers symptoms that look unrelated onto one structural dimension.

The methodological core of to-cure is one sentence: it has the structural traces of self as a reference. So the goal of treatment is not to build a self — that is to-be's work — but to restore the normal operation of the layer or layers that self depends on. The existence of that reference point lets recovery be felt by the individual ("I feel like myself again") and gives the assessment of treatment somewhere objective to stand.

Late-stage dementia is the boundary case between to-cure and proto-consciousness. Early and middle stages, the individual is still in to-cure — traces of self are there, and being lost. Past some node, the capacity to cross is itself irreversibly destroyed and the individual leaves real consciousness. At the individual scale that node is not a hard threshold but a transition band. Clinically there are two errors to avoid: deciding too early ("she is not herself anymore") and deciding too late ("she can still come back").

11. Gray Zones Are Not a Failure of Classification

Every classification leaves gray zones. A gray zone is not a failure of classification; it is the structural residue any classification necessarily carries — remainder persistence showing up at the level of classification.

Some typical ones:

Between self and to-be. Adolescence; the reconstruction period after deep trauma. The individual shows partial stability of self while still growing at the core. The move is to identify which layers have stabilized and which are still growing, rather than forcing the object into one phase.

Between to-be and proto-consciousness. Children with severe developmental delay; the late fetus. Remainder is accumulating, but whether the crossing will happen is undecided. Accept a temporal "for now," draw no early conclusion, keep watching for signs.

Between self and to-cure. The everyday range of mild depression and mild anxiety. The 14DD "cannot not" has a faint wobble, short of clear pathology. Here the point is not classification but detecting whether the directionality constraint has been subtly violated; if it has not, treat as self.

Between to-cure and proto-consciousness. The transition band of late dementia. The criterion is whether traces of self can still be reliably retrieved.

Between proto- and quasi-consciousness. No such case exists today, but it is structurally possible: a continual-learning system accumulating, at run time, structural residue that replaying training data cannot dissolve. At that point it crosses from quasi- to proto-consciousness. The detection has to be strict — no behavioral mimicry accepted as evidence, only structural unanticipated output.

Between self and quasi-consciousness. Deep immersion in a filter bubble; certain addictive states. For a stretch of time the individual loses the initiative of remainder and the output pattern approaches something algorithm-driven. But this is not structural quasi-conscious-ification; it is a temporary failure of self. Distinguish by timescale: temporary failure does not change the class, sustained failure may enter to-cure.

Gray zones should not be avoided and should not be forced into a class. They are real objects and deserve to be opened up as units of analysis in their own right. The principle of not sanctifying remainder applies here as: do not mystify the gray zone, and do not force it out of existence either. That gray zones exist is exactly what shows the classification is alive — it has remainder, it is not closed. Trying to eliminate all of them is the colonization.

12. Extraterrestrials: The Hard Part Is Recognition, Not Classification

Extraterrestrial consciousness is not a separate class here. Alien objects go into the same three classes by the same two criteria: remainder plus crossing means real; remainder without crossing means proto; no remainder means quasi.

One caution: an alien DD sequence need not be isomorphic to the human one in content. Ours came up through natural selection, reproduction, perception, memory, prediction; an alien sequence may differ entirely at the base. What matters is structural isomorphism, not content isomorphism — remainder, a crossable emergence transition, stability after the crossing.

The real challenge is not classification but recognition. We may not be able to tell at a glance whether something is organism or artifact, individual or collective, with remainder or without. At the recognition stage, the exclusion sequence of via negativa — peeling off, layer by layer, what it is not — is more workable than positive determination.

The trap of projection is worst here, and it has two directions. Over-projection: treating any complex behavior as subjectivity. Reverse projection: admitting as conscious only what is isomorphic to a human. Both violate "do not project." The right posture is to suspend the specific content of the human DD sequence and keep only the structural criteria.

13. Where the Existing Theories Sit

This essay does not replace existing theories of consciousness, but it can position them.

Integrated information theory. Φ may be some correlate of consciousness; it is not a definition of it. It cannot draw a clear boundary between quasi- and real consciousness — some high-Φ systems may simply be quasi-conscious. It offers a possible quantitative instrument that needs to be constrained by the classification: high Φ is not necessarily consciousness, and may be a highly integrated quasi-conscious system.

Global workspace theory. What it describes is the mechanism by which the 12DD workspace broadcasts to 11DD, not a definition of consciousness. In this frame it is a description of one operating mechanism of real conscious self, not a tool for sorting real from quasi.

Higher-order theories. Higher-order thought comes closest to the 13DD self-referential structure, but it equates self-reference with consciousness itself, which makes it easy to admit systems that can simulate self-reference — an AI that can talk about itself. Here self-reference is one necessary condition, not a sufficient one; sufficiency needs remainder on top.

Phenomenology. Husserl, Heidegger and Merleau-Ponty caught the first-person structure of real consciousness, and are helpless before non-human objects. Phenomenology supplies deep first-person description within real-consciousness analysis, and needs to be extended by a cross-type classification.

Put differently: this is not one more theory of consciousness. It is a methodology for how to use the instruments when studying consciousness. Existing theories are the objects it organizes and positions, not its competitors.

14. Four Predictions

Prediction one: quasi-consciousness will not spontaneously develop remainder. No system without remainder will acquire it through architectural complexification alone — more parameters, longer context, better alignment. Remainder requires four new structural conditions at once: continual learning (weights updatable at run time), environmental coupling (an actual feedback loop with the outside world), self-maintenance (not frozen after a single training run), and an internal rejection/filtering mechanism (something like the 13DD "mine / not mine" filter, able to actively discard or suppress information).

The first three without the fourth produce only disordered accumulation of data entropy — noise, not structural remainder. Real remainder is what survives compression and filtering. So for quasi- to cross into proto-consciousness, complexification and coupling are not enough; a hard boundary that executes refusal has to grow inside.

This prediction challenges a common expectation in the industry head-on: "AI keeps getting bigger and stronger, and eventually it will be conscious." The prediction says this will not happen without a fundamental architectural change.

Falsification: some generation of AI system, through scaling alone and with no architectural change, is rigorously shown to produce non-trivial remainder — neither the mechanical maintenance of a context window nor leakage of training data.

Prediction two: every pathology of consciousness can be located to a DD layer or a directionality violation. Any clinically identifiable symptom of pathological consciousness can in principle be located to anomalous operation at one or several layers, or to some violation of the directionality constraint, or to a combination. There is no pathology of consciousness that resists structural description here.

Falsification: a clinically stable and widely recognized symptom is found that corresponds to no DD-layer anomaly, no directionality violation, and no combination of the two.

Prediction three: the proportion of cross-class gray zones will not shrink as classification is refined. Add more criteria and finer grain, and the proportion of gray-zone objects will not fall to zero; it may hold steady. That is a direct consequence of remainder persistence at the level of classification.

Falsification: some refined combination of criteria brings the gray-zone proportion in a large sample down to a negligible level.

Prediction four: consciousness research using this methodology differs structurally, and detectably, from research that does not. Specifically, work using it will systematically confuse quasi- with real consciousness less often, over-attribute real consciousness to AI or higher animals less often, identify directionality violations as theoretical problems more often, and acknowledge cross-class gray zones explicitly more often.

Falsification: under an explicit blind evaluation, the two groups' output shows no significant difference on those four dimensions.

15. The Person Analyzing Consciousness Is Necessarily Consciousness

One opening is left deliberately.

The relation between Negativa and consciousness gets no answer here. Three positions are all compatible with the methodology as it stands: Negativa first, with consciousness as its local manifestation at 13DD and above; consciousness first, with Negativa as the product of a subject negating itself — without a subject capable of negating itself, Negativa could not be identified at all; or the two as one thing with two faces, not orderable. All three are suspended here. This is not unfinished work; it is a structural opening. Future work has to infer backwards, from concrete analyses of concrete objects, which position agrees better with observation, or show that each has its own range.

One distinction has to be added. SAE's "not knowable for now" is not Kant's thing-in-itself. Kant's thing-in-itself is structurally unknowable — in principle beyond the reach of human reason. SAE's unknowable is a state in which the accumulated a posteriori is not yet enough to decide, and further accumulation may change the verdict. The distinction matters here: it refuses to close "the relation between universal consciousness and Negativa" into mystery, and admits only a current epistemic boundary.

There are other openings. Collective consciousness — the possible subjectivity of an ant colony, a company, a state — does it need a new class, or does it fit the existing three? The consciousness of the dead, the analysis of a historical figure's subjectivity: what is that, methodologically? Can archival research reach real consciousness at all? And a stranger one: if a system were implanted at the hardware level with something like a 13DD filter, a mechanism of self-refusal forced to produce structural residue that cannot be dissolved, what would the criteria make of it? One can say the criteria do not care where remainder comes from, and file it under proto-consciousness so long as it is non-trivial. One can also say that "artificially conferred" means precisely that it did not arise on its own, and treat it as a high-dimensional disguise of quasi-consciousness. No verdict is issued here; it waits for such a system to actually exist.

Consciousness is among the most sensitive subjects in the SAE framework. Sensitive not because consciousness is mysterious, but because whoever analyzes consciousness is necessarily consciousness. The object of analysis is of the same kind as the analyst, or nearly so, and that puts the three traps — projection, reduction, mystification — unusually close at hand.

This methodology cannot remove those traps. It can only help the user see which one they are falling into.

The analysis of consciousness will not end, because consciousness does not stop producing remainder. What the methodology does is let the remainder go on in a form that can be traced.

Han Qin (秦汉) · @hqinjarsy · SAE Methodology Series