A walk through the garden · Step 7 of 19 · Who is asking

How can matter feel?

Mind and matter were never two kinds of thing.

Branch of philosophy: Philosophy of mind. What a mind is, and how it sits in a body.

Where the question lives

Hold up your hand and move it.

The hand moving is one event. Your awareness of it moving is another. So the problem says.

The hand has weight, shape, a place. Anyone can see it move.

The awareness, the problem says, has no weight and no shape. No scanner finds it. A brain scan shows what your brain is doing. It does not show the awareness.

Two things, apparently. One physical. One not. How are they joined?

Now close your eyes for a moment. Then come back.

The redness behind the lids. The sound of your breath. The small hums the body makes when you listen to it.

That noticing is the second question. Why does red feel like red, and not like something else? Why does your breath sound like anything at all, from inside, instead of being a coupling with no feel to it?

Philosophers call the first question the mind-body problem. It has stood for four hundred years. They call the second the hard problem of consciousness. The second question lives inside the first. Together they make this step’s question. How can matter feel?

Who you are, and whether anyone else is in here, come next. Both stand on what this step finds. The first chapter here clears the ground. The second builds on it.

What philosophy said

How are mind and body joined?

In 1641 the French philosopher René Descartes drew the line. Extended stuff: the body, which takes up space and moves. Thinking stuff: the mind, which thinks and wills but takes up no space. Two kinds of stuff that share nothing, somehow meeting in a person.

He saw the trouble at once. If the mind has no extension and the body no thought, how does deciding to lift your hand lift your hand? He proposed a gland deep in the brain as the meeting point. He was wrong about the gland. He was right that the bridge was the problem.

The question has not been closed since. The answers come in four patterns. The chapter calls them four ways to fail. Each fails at the same place.

Bridge them. Keep the two kinds of stuff and find a clever join. A gland. Laws that run in parallel. The German philosopher Gottfried Leibniz had God set mind and body up in advance, like two clocks wound to strike together. The trouble is the join. Every join has to be mental or physical itself, and the problem comes back inside the join. Leibniz drops the join, but keeps the two kinds of stuff. The question is dodged, not dissolved.

Reduce mind to brain. Mental states are brain states. This has been the main view in neuroscience and in much of philosophy. It is more contested now than it was twenty years ago. The mapping is real, and it keeps getting better. What it never says is why any of that firing should feel like anything from inside.

Reduce matter to mind. The hand is an appearance in a mind. Without minds, the physical world has no standing of its own. The problem only turns round. Now you owe an account of why the appearance is so stable, so shared, and what holds it together when nobody is looking.

Declare it beyond us. Some argue the human mind is not built to understand its own nature. This is sometimes called cognitive closure: the human mind is to consciousness as a dog’s mind is to quantum mechanics. It is honest. But a sign saying do not enter is not a closing.

Bridged. Reduced. Inverted. Fenced off. Not dissolved.

Why does it feel like this?

In 1974 the American philosopher Thomas Nagel asked what it is like to be a bat. Learn everything about the bat’s sonar, its brain, its flight. You still do not have the bat’s experience from inside. Not a missing fact. A feature of the first person. The first person is the view from inside. The third person is the view science gives, from outside. The first cannot be reached from the third.

In 1995 the Australian philosopher David Chalmers gave the gap its modern name. The easy problems are attention, memory, perception, the control of behaviour. The methods of science have a grip on them. The hard problem does not yield to those methods. Why is any processing accompanied by experience at all, rather than running in the dark?

Since then, four answers have led. Each fails in its own way.

Deny it. This is sometimes called illusionism. There is no real felt character, only the system’s model of it, and a model can be explained like any other. The stall: this refuses the very thing to be explained. You closed your eyes and there was redness. Calling it a representation of redness does not make it go away.

Spread it everywhere. This is panpsychism. Experience is a basic feature of all matter. The electron has a scrap of it. Big experiences are built from small ones. The stall: it is half right. The inside is everywhere. But it is not a property added to matter. And it inherits a puzzle, the combination problem: how do tiny experiences add up to one mind? That is only a problem if feel is a stuff to be piled up. Readings do not add up.

Identify it with integration. Integrated information theory says consciousness is a particular structure of information, one where the whole cannot be reduced to its parts. A system has as much of it as it has that structure. It is precise and testable, which is a strength. The stall: it says which systems, not why any arrangement of information is accompanied by anything from inside.

Make it a representation of a representation. On this view a pain is felt only when the system also represents itself as being in pain. The stall: that describes self-awareness, not experience. A dog tasting something new already has a felt state, with nobody representing the representation.

Denied. Distributed. Identified. Doubled. Not answered.

What the 420 Code sees

One coupling, read two ways

Look at what the first four answers share. Each accepts the setup. Mind on one side. Matter on the other. What is the relation between them? They differ in their answers. They agree on the question.

The whole puzzle stands on one premise: mind and matter are two things. Descartes drew the line. Everyone since, even those denying the split, has accepted the line as the shape of the problem.

The axiom does not produce two things. It produces records, under four conditions, at the now. No mental stuff. No physical stuff. Only what records do, at the resolution they do it.

So the book does not answer this question. It dissolves it: it shows the question assumed something the axiom does not produce. Once that frame drops, the question does not arise.

Start with coupling. Every coupling is selective. The electron pairs with some partners and not others. The cell lets some molecules in and keeps others out. The retina answers light, not sound. To couple is to respond to this and not that.

Selectivity has a direction: what the coupling is oriented towards.

A direction can be described from two sides.

From outside, by another coupling looking on, the direction shows up as behaviour. What it pairs with. What it responds to. What it does. That is the description physics, chemistry and neuroscience give. It is the outside reading.

Now describe it from inside. Stand where the coupling stands, facing the way it faces. There the direction shows up as what it is registering: what it takes in and answers to, from where it sits. That is the inside reading.

These are not two processes. It is one coupling, read from two positions. Every record in the universe has both readings. None has only an outside. None has only an inside.

Now add resolution: how fine the grain of a reading is.

Most couplings do not read themselves.

The electron couples. Its inside reading exists. It is what the coupling is from its own position. But nothing is there to read it.

The cell couples. It registers its own state and responds. Still nothing reads the registering.

Then, at a fine enough grain of complexity, something changes. A record-architecture, records holding together like a brain, starts feeding its own state back in as input. Its outputs loop through its inputs. It couples with what it has just written. It begins to register itself. This is self-registration.

Now there is a position from which the inside reading is being read.

No new ingredient is added. It is records coupling with the records the same architecture just wrote. It follows from the axiom directly.

That is the threshold the word mind has always been pointing at. Not the point where mind is added to matter. The point where the inside, which was always there, starts being heard.

Here is the dissolution, whole.

Matter is coupling seen from outside. Mind is coupling seen from inside, at resolutions where the coupling reads itself. Same coupling. Same place. Two readings at once.

So there is no interaction problem. Nothing reaches across a gap to anything. The deciding and the lifting are one event. Read from inside, it is a decision. Read from outside, it is muscle and a rising hand. No bridge is needed, because nothing was ever split.

Go back to the hand you moved at the start. Your awareness of it moving was not a second thing. It was the same coupling, read from where you sit.

Two objections come, one from each side.

The neuroscientist presses. The brain mapping is working. Why complicate it? Because the map is an outside reading, and no outside reading can contain the inside one. To read another coupling’s inside from outside, you would need a coupling that does not exist. The frame does not compete with neuroscience. It says what neuroscience is doing.

The dualist, who holds with Descartes that there are two kinds of stuff, presses from the other side. Mind has a first-person view, and it is about things. Where do those come from? From what is already on the table. First-person, because the break gives every record a position. The inside reading is read from that position. About something, because selectivity has a direction. Facing towards something is what being about it is, before philosophy gives it a name.

Then the zombie. Imagine a physical copy of you, perfect in every detail, with no inside at all. If that can be imagined, the argument goes, mind cannot be physical. The reply is short. Selectivity without an inside direction is not coupling. So the copy is either a coupling, and has the inside reading, or it is not a coupling, and is not a physical copy. The zombie can be said. It cannot be built.

“The mind-body problem is what it looks like when you try to glue together what was never split.”

The one asking, and the one acting

That clears the ground. But a sharper question lives inside the cleared one.

Grant that mind and matter are one coupling read two ways. That answers the first half of the hard problem: why any experience at all. Every coupling has an inside, because selectivity has a direction, and a direction has two positions.

The second half remains. Why this experience? Why does salt taste salty and not sweet? Why does red feel like red? The inside exists. Why does it have this content?

This question will not dissolve. Something it points at is real. So the book does something else with it. It relocates it: it shows the question was real, but asked from a position nobody can stand in. Moved to a position that exists, it becomes a different question, and that one can be worked.

Look at who is asking, and from where. The question assumes the asker can stand outside the red-coupling, look at its wiring, look at its feel, and ask why they line up.

There is no such place to stand. The asker is always inside a coupling: its own.

To see this clearly, the book needs two words. Both name structures the axiom already produces.

The operator is the coupling as it runs. The record being written. The distinction being made, now, at the place where it is made. Your heartbeat is the operator. Your breath. The reading of this sentence.

The narrator is the later record that records what the operator already did. The report. The model of the self. The story the system tells itself about what just happened. It reads what the operator wrote and puts together a description. It arrives after.

These are not two parts of a person. They are two positions in one architecture. What it is doing, and what it says to itself about what it is doing.

The body is the proof. Your heart is beating as you read. Your immune system is choosing which molecules to let in. None of that is authored by the voice that says I am reading. Under anaesthesia the narrator is gone. Heart, breath, temperature, wound repair: all continue.

The operator is not optional. The narrator is.

What you met above as self-registration is what the narrator does. Same structure, seen from another angle. An electron or a cell has an operator and no narrator. You have both.

Now the problem moves.

The narrator asks: why does this physical process have this feel? It asks from downstream, about the operator. It is reading a record of what the operator did.

The record is not the operator. It is the narrator’s access to the operator. What the narrator calls the feel of red is its record of the red-coupling. Not the coupling. The record of it.

Put honestly, the question is: why does my record of the red-coupling have the content it has?

Because that is what the red-coupling was.

The sense of a gap, the feeling that there is an extra fact about why red feels like red, is the narrator mistaking itself for the operator. The coupling did not make an experience and hand it over. The coupling was the experience, from inside. The narrator’s record is what the coupling was, read after.

The gap is real. But it is not between matter and experience. It is between the one asking and the one acting. Downstream and upstream. No theory of what exists can close it, because no theory of what exists made it. The axiom made it, by producing records of records. That is what having a narrator is.

The book’s picture for this is the eye.

The pupil of your eye is the opening you see through. You cannot see your own pupil. A mirror shows a reflection. A photograph shows a picture. But you cannot see your pupil with your own eye in the act of seeing. The pupil is the seeing. It is not what the seeing is pointed at.

That is not a limit on the pupil. It is what a pupil is.

The hard problem is the narrator trying to see the pupil from inside the pupil.

So what moved? The old question needed a third place, above both the physical and the felt. Asked from there, it cannot be answered. Not because the answer is hidden. Because the place is not there.

The moved question is: what is this coupling, such that it runs as this character? That can be asked from inside the coupling, the one place the character is available at all. It is not easier. It is askable. That is the difference in kind.

Neuroscience already works the moved question, without the name. Every match found between a brain configuration and a reported experience is a partial answer. Science maps the configuration from outside. Each coupling reports its character from inside.

The hard problem ends as a metaphysical puzzle. It continues as a programme of work.

“Experience does not arise from anything. Experience is what the break is, from the inside.”

What it costs you

You came for the moment matter turns into feeling. There is no such moment. Experience is not produced. There is no producer and no product.

You also lose the view from above. You cannot step outside your own coupling to inspect it. Nobody can. The moved question is not easier. It is only askable.

Sit here

Still growing

Both chapters leave one deep question where the axiom puts it: why coupling has an inside reading at all. That is what the axiom produces. Why the axiom produces an inside is not a question the book can ask from inside it. Which couplings run as which feelings, why red is red and salt tastes as it does, is left to science. And where exactly a coupling starts to read itself, where the narrator begins, the chapters leave open.

Where it would die

Side paths

• This question in the canon — who asked it before, and what the 420 Code does with each answer.
• The Mind-Body Problem — Ø Dissolutions, Chapter 3.
• Watch: The Mind-Body Problem
• The Hard Problem of Consciousness — Ø Dissolutions, Chapter 4.
• Watch: The Hard Problem of Consciousness
• The full book — Chapter 3, pages 76 to 95. Chapter 4, pages 96 to 116.