Somewhere there is a grainy black-and-white photograph. A sonogram — an ultrasound image taken before you were born. People point at it and say: that's me. And you say it too. That was you, in the womb, months before your first memory, before you had a single thought. No story yet. No chain of consciousness. Nothing on the mental side at all. And yet you call it me, without hesitation.
Now consider the other end of a life. A man lies in a hospital bed. Something has taken his mind — a stroke, an injury, the slow erasure of dementia. He does not know his children. He can reach no memories, tells no story, recognises no one. And his family, sitting by the bed, do not say he is gone. They say he is still here. That is still him. That is still their father. They keep the him exactly where the mind used to be — and the mind is the thing that has left.
Hold both of these together. The image on the screen, and the body in the bed. At the beginning, before any mind had begun, you were already there. At the end, after the mind has gone, someone is still there. And the thing that was present at both ends — present the whole way through — was not the memory, and not the story. It was the living body. The animal.
This is Philosophy for Us — philosophy for everyone, no degree required.
This is the fourth episode of The Self Across Time. Last time we examined the most humane answer anyone gives to the question of what holds you together across the years — that you are not a thread of memory but a story you author, for as long as you are here. We saw its real strength. Then we met a man who is not telling one: the philosopher Galen Strawson, who argues that some people live full and decent lives without ever experiencing them as a single running narrative. You left able to keep the story, but not the certainty that being a self simply is having one. And every answer we have tried — memory, a chain of consciousness, a story — has one thing in common. All three sit on the same side of you: the inside, the mental side. For three weeks we have assumed that whatever you are, you are some arrangement of mind, and argued only about which arrangement.
Tonight that assumption is challenged directly — which is why I began at the two ends of a life, the womb and the bed, where the mind was not, and something still was.
Here is tonight's question, and it breaks sharply from everything we have done. What if the self was never on the mental side at all? What if you are not your memories, and not your story, and not your mind, but the animal — the living organism that was here before the remembering began, and may still be here after it stops? And what if the whole three-week search for the self in the mind was looking in the wrong place from the start?
That is the view we examine tonight. It is called animalism, and it is the rival you are most likely to want to dismiss. So we are going to do the harder thing, and make it strong enough that you would defend it.
Let us begin with the difficulty, because it affects every answer we have examined.
For three weeks the question has been: what makes you the same person across time? And every answer pointed at the mind. Locke said a chain of memory. The neo-Lockeans said overlapping psychological continuity. Schechtman and MacIntyre said a story you author. Different answers, but they agree on one thing so basic that none of them argued for it: that you are, fundamentally, a psychological thing. A thinker, a rememberer, a teller. Whatever holds you together runs through the mind.
Now here is a sentence almost everyone will accept without hesitation: I was once a foetus. I was once a newborn. You were carried, you were born, you were held before you could hold up your own head. Look back far enough along your own life and there you are — months in the womb, then a few weeks old, with no memories, no language, no story, not one thought of your own. We do not say that a different thing was in that womb and that you later replaced it. We say that was the start of you: the beginning of the very life you are living now.
Set that sentence beside the three answers, and test each one against it.
Take memory first. Were you the foetus because a chain of remembered consciousness runs back from you to it? It cannot. The foetus had no consciousness with which to remember anything, and you remember nothing of being it. By the memory criterion — the one we spent two weeks on — there is no link at all between you and that foetus. Not a weak link. None. So the memory view must say, plainly, that you were never a foetus: that the foetus was some other thing, and that you came along later and took its place.
Now the story view. Is the foetus part of you because it is the opening chapter of the story you author? But a chapter is something the story includes through meaning, and there is no meaning in a foetus — nothing to author, no episode to include. You can place the foetus in your story the way you place your great-grandmother in it: as something you were told about, that happened before you. But that is exactly the point. On the story view your great-grandmother is not you, and by the same test, neither is the foetus. The narrative reaches back only as far as there is a narrator. Before that, on this view, there was no you to be.
So the psychological tradition has led us to a choice, and neither option is comfortable. Either you must deny the plainest fact about your own beginning — that you were once that small, mindless, living thing in the womb — or you must accept that what makes you you is not your psychology at all, because your psychology was not yet there, and you already were.
And once you feel the force of that, you can see where it leads. Because something was in that womb the whole time — something that ran in an unbroken line to the body sitting wherever you are sitting now. Not a mind. A living organism. A human animal. It began small, it grew, it developed a brain, and the brain began to store memories and tell stories. But the animal was there before any of that, and it is the same animal now. So perhaps the honest answer to the question "what was that thing in the womb?" is the simplest one. It was you. And if it was you, then you are the thing that was there before the mind — which means you are not, at bottom, the mind at all.
That is the difficulty, and the philosopher who pushed hardest on it is Eric Olson, in his 1997 book The Human Animal. His claim is as blunt as the choice we have just reached. You are an animal. Not a mind that has an animal, not a person attached to an organism, but a living organism, full stop — the same one that was a foetus and grew. "Person", on his view, is not what you fundamentally are. It is something you are temporarily doing: a stage this animal is passing through, as it once passed through being a foetus, and as it may one day pass through being a patient who cannot think. The animal is the thing that lasts. The person is a phase of it.
That is the rival. At first it sounds like a refusal to take the mind seriously — like changing the subject from the self to mere biology. It is not. It is the most serious challenge the psychological tradition faces, and to see why, we have to build its positive case: the argument that does not merely find a hole in the others, but claims outright that there is a living animal where you are sitting, and it is the one doing your thinking.
So far animalism has only been on the defensive — pointing at the foetus and saying the other theories cannot account for it. That is not enough to make you hold the view. A position earns your respect when it has its own argument, one that comes at you directly. Animalism has one, and it is very hard to escape. Let me build it slowly, because it is the kind of argument you have to follow step by step to feel its force.
Start with something you will grant at once. There is, right now, a human animal located exactly where you are. A living organism — heart beating, lungs working, a human body of a certain age and weight, the thing a doctor would examine. You are not going to deny that it is there. It is the most obvious object in the room. It is you, or at the very least it is sitting precisely where you are, doing everything you are doing.
Now grant the second point, which is just as plain. That animal has a brain, and the brain is working. The animal is awake. It is taking in these words. It is, by any ordinary description, thinking. We say this about animals all the time — the dog is thinking about the door, the chimpanzee is working out the puzzle. A living human organism with a healthy brain is a thinking thing. So the animal where you are sitting is thinking. It is thinking the very thoughts you are thinking now, because there is only one set of thoughts occurring there, and they are occurring in that brain.
Here is the difficult step. You also take yourself to be a thinker. Obviously — you are following this, you are the one weighing it. So the question that turns the whole argument is this: are you and the animal one thinker, or two?
Consider what follows if you say two. If you are a thinker, and the animal is also a thinker, and you are not the same thing as the animal, then there are two thinkers where you are sitting, having all the same thoughts at once — two of you, exactly overlapping, both reading these words, both following this argument. And now there is a question you cannot answer: which one are you? When you say "I think", which of the two is speaking? You would have no way to tell. The animal would say "I think" with just as much right as you, for just as good a reason, running on the same brain. You could be the animal and merely believe you were the non-animal person, and there would be no test, from the inside, that could ever settle it. That is not a deep mystery. It is a sign that something has gone wrong — that you have introduced a second thinker without reason, and then cannot locate yourself among the two you now have.
So drop the second thinker. There is one thinker where you are sitting, and the animal has the better claim to be it: the animal is undeniably present, undeniably has the brain, undeniably thinks. The simplest answer, the one that does not multiply you into two, is that the thinker is the animal. You are the human animal. There is no second self, existing apart from the organism, made of memory or story, doing the real thinking while the animal does a shadow version. There is just the one living thing; it thinks; and it is you.
And that changes what we have meant by "person". We have been treating it as the deepest thing you are — the thinker, the rememberer, the self. Olson says no: "person" names something you can do, a capacity this animal has developed, not the kind of thing it fundamentally is. Think of the words that work that way. Teenager. Student. Runner. You were a teenager; you stopped being one; you did not go out of existence when you turned twenty — the same person continued, no longer a teenager. "Person", on this view, is that sort of word. It marks the phase the animal is in when it has a working mind — a phase it was out of in the womb, a phase it could fall out of in that hospital bed — while the animal, the thing that was actually you the whole time, continues straight through. You are no more essentially a person than you are essentially a teenager. You are, essentially, an animal that is, for now, doing the thing we call being a person.
And this accounts, cleanly, for everything that broke down in the previous weeks. The foetus problem is gone — you were the foetus, because you are the animal, and the animal was in the womb. The failing memory, the chain that drops its links, the story you cannot separate from your own embellishment — none of it threatens your identity any longer, because your identity never depended on the mind in the first place. Lose every memory tonight, and the animalist says, calmly, that you are still here — diminished, yes, but the same living thing, exactly as the family at the bedside insists. The view that looked like it was changing the subject turns out to answer the original question better than the mind-theories did. What makes you the same across time? The same life. One continuous biological organism, from the image on the screen to the body in the bed. That is the thing that persists. That is you.
That is animalism stated at full strength — the case its defenders would sign. If you felt the pressure of the two thinkers, if for a moment you could not find a clean way to say you are not the animal, then you have made a serious case for the view you walked in wanting to reject. And it is not the first time we have done this. It is the same discipline we practised back in What You Owe a Stranger: build the strongest case for the position you would most like to be rid of, before deciding what to do with it. Tonight you have done it with one of the two views about your own self that you would least like to be true. Hold on to that, because we are not finished with it — in either direction.
One honest note before we turn, so that you know the full range of positions here. The field is wider than animalism alone. There is a near neighbour of this view — the constitution view, argued by the philosopher Lynne Rudder Baker — which says that you are constituted by your animal body the way a statue is constituted by the bronze it is made of: sharing all its matter, intimately bound to it, and yet not strictly identical to it, because you and the animal could in principle come apart. There is another view that ties you to your body, but not specifically to the living organism. We are not going to work through those tonight — I would rather you held one of these views firmly than five of them loosely. But you should know they are there, so that when I say "the animal", you hear it as one strong answer in a crowded field, and not the only one available.
Now let us take animalism off the defensive and put it on the attack — on the one piece of ground the psychological tradition was sure it owned. There is a case the mind-theories have relied on for three hundred years to make their point, and animalism confronts it and reads it in the opposite way — and that opposition is the whole dispute.
The case is an old one. John Locke's version, in his Essay Concerning Human Understanding, involved a prince and a cobbler; modern philosophers run it with surgery. Imagine that your brain — or really just the part that carries your memory and personality, the cerebrum — is removed and placed into another body, whose own brain has been taken out. The transfer works. The person who wakes up in that other body has all your memories. They remember your childhood, your name, the argument about the dog. They take up your projects. They love the people you love. Meanwhile, back in the operating room, your original body is kept alive — heart beating, lungs working — but with no cerebrum now, no thoughts: just a living human organism, breathing on the table.
Two bodies. And the question is the one this whole series has been circling: which one is you?
Your own answer comes quickly, and it comes with force. You go with the memories. Obviously. You are over there, in the new body, the one who wakes up knowing your life. That is the intuition Locke built on, that the neo-Lockeans refined, and that the story view assumes: you are wherever your psychology ends up. The thinking, the remembering, the continuous thread — you go wherever it goes. The body left breathing on the table is just tissue now. You would point at the new person and say that is me, and point at the table and say that is what I used to live in. It feels about as obvious as anything in the whole subject.
Now watch animalism refuse it — flatly.
Return to the argument you could not shake a few minutes ago. You are the human animal. So which thing in this story is the human animal you have been all along — the one that was the foetus, that grew, that walked into the operating room? It is the body on the table. That is the organism. That is the continuous life. A cerebrum has been removed from it, the way a kidney or a heart could be removed from it, and the animal — diminished, badly damaged, but alive — is still lying right there. The animal did not go anywhere. It cannot. It is the thing on the table.
So on animalism, you are on the table: without thoughts, but still you. And the person who woke in the other body, with all your memories, knowing your whole life, is not you at all. That person is a different human animal that has received an organ — a transplant recipient. They received your cerebrum the way someone might receive your donated heart, and your memories came with it because they were stored in the tissue. But a recipient is not the donor. You do not become the person who receives your kidney. So you do not become the person who receives your cerebrum. Your memories are now in someone else's head. You remained on the table, where the animal is.
That collision is real, and it does not resolve itself. Both readings cannot be right, and each is anchored in something you believe. On one side: you go where your mind goes — the conviction the whole psychological tradition is built on, the one you felt the instant you heard the case. On the other side: you are the living animal, the one continuous organism, and a detached organ is not a person even when it carries a person's memories — which is exactly what the thinking-animal argument forced you to say, and you could not find the flaw in it. The transplant case was supposed to prove the mind-theory decisively. Animalism takes the same case and reads it as proof of the opposite: that you and your psychology can come apart, and that when they do, you stay with the body while the psychology becomes someone else's possession.
And none of the repairs from the previous three weeks apply here. The neo-Lockean fix, continuity and connectedness? It only tells you that the memories are continuous over in the new body. Animalism grants that and replies: so what — the continuity of an organ's contents is not you. The story view? It tells you the narrative continues in the new body. Animalism grants that too and replies: a story can be transferred into a recipient; the teller is on the table. Every tool the psychological side built was a tool for tracking the mind, and animalism's whole claim is that tracking the mind is tracking the wrong thing. You cannot answer a challenge to your starting assumption with a tool that already assumes it.
So this is where it leaves you, and I am not going to smooth it over. You hold two convictions; tonight you have felt both at their full pull; and they point at two different bodies. You cannot keep both. Either you are the psychology, and animalism is wrong that you are the animal — or you are the animal, and the thing you were most certain of, that you go where your memories go, is a mistake you have been living inside. That is not a puzzle with a trick answer. It is the genuine open question in the field. And it is about to cost the animalist too — because the same coldness that let them leave you on the table carries a cost of its own.
So animalism can leave you on the table without flinching. That coldness is the price the psychological side pays if animalism is right. But turn it around, because the cost runs both ways, and the animalist has a cost of their own to meet — one just as hard to face.
Look hard at what animalism actually commits you to, in both directions, and follow it without softening.
First direction: the body in the bed. Suppose the worst happens to you — a stroke, an injury, the slow erasure — and your mind goes, completely and for good. No memories you can reach. No story you can tell. No recognition, no thought, nothing on the mental side, and none of it ever coming back. The organism, though, lives on: heart beating, lungs working, for years perhaps. Now ask animalism — is that still you? And animalism does not hesitate. Yes. The animal is alive; the animal is you; therefore you are still there — without words, without a mind, but present, exactly as the family insists when they say that is still their father. That is the consoling reading, the one we opened with. But look a moment longer at what it actually says. It says that you can continue with every memory gone, every connection to the person you were cut, nothing of the inner life remaining — and that it is still, fully, you. For some people that is a comfort. For others it is close to a horror: a you that has lost everything you would have pointed to as the content of being you, and animalism calls it your survival regardless. Either way the shape of the claim is plain. Your identity has been made entirely indifferent to your mind. The mind can fall to nothing, and you remain.
Now the other direction, and this is the one that carries the real cost. Return to the operating room. Your cerebrum is lifted out and carried to a new body, and someone wakes up over there with your whole inner life intact — your memories, your love for the people you love, your sense of humour, your unfinished projects, your plans for a stranger thirty years from now. Everything you would have called the contents of you is over there, awake, continuing. And animalism says: that is not you. You are on the table. So this is what animalism has told you, stated plainly. The entire inside of your life — everything you care about being, everything you would fight to keep — could get up and leave the room inside another person, and you would be the living body left behind, breathing, with no mind. Your survival and your inner life have come completely apart. You go where the organism goes. Everything you actually care about goes where the mind goes. And on animalism those are two different places.
The psychological tradition's central promise was that the thing which persists and the thing you care about are one and the same — you survive as yourself because the substance of you, the memory and the story, continues. Animalism keeps the persisting thing and lets the caring go. Yes, it gives you a self that lasts, clean and continuous, from the womb to the grave. But it is a self that could be emptied of everything you value and still count as you, and that could keep everything you value running elsewhere while you, the emptied animal, count as the survivor. It secures your identity by making your identity indifferent to anything you would have wanted to survive as. That is not a small cost. It may be a heavier one than the comfort it took away.
So this is the standoff, and I will state both sides at their strongest and then leave them standing, because that is the honest place this ends.
Animalism is not defeated. The foetus was you; the body in the bed is someone; there is a thinking animal where you are sitting, and you could not find a second thinker beside it. None of that dissolved tonight simply because the conclusion became uncomfortable. The view that has biology on its side is still standing, and you cannot set it aside merely because you would rather be made of memory.
But the psychological tradition is not defeated either. That quick, hard pull you felt in the operating room — I go where my memories go, I am the one who wakes up knowing my life — animalism never actually refuted it. It only showed you the cost of trusting it, and named a cost of its own. The conviction that you are, in some deep way, your mind — that a you with none of your inner life left is not really the thing you were trying to preserve — that conviction leaves tonight weakened but not refuted, in just the way the man Strawson described last week was left standing. No one here has earned the right to call it false.
Two views. Each secures something the other cannot. Each charges a price the other cannot pay. And in the gap between them a thought begins to form that neither side has yet stated aloud: that perhaps the question "will it still be me?" was never the thing worth fighting over in the first place. Hold that thought. Do not answer it yet. Next week someone takes it up — with a thought experiment involving a machine.
So this is where the night leaves us, and it is the most unsettled point we have reached so far.
You came in as a mind. For three weeks that was never in question; we only argued about which arrangement of mind you are. A record of memories. A chain of consciousness. A story you author. Tonight animalism rejects the assumption all three shared. You are not the record, not the chain, and not the story, the animalist says — you are the living thing underneath all of them, the organism that was a faint mark on a screen before any of that began, and may be a body in a bed after it ends. And the hardest part of tonight is that the view you came in wanting to reject turned out to be the one you could not knock down. The foetus was you. The body in the bed is someone. There is an animal where you are sitting, and when you went looking for a second thinker to be instead, you could not find one. You leave holding a rival you cannot dismiss — and you built its strength yourself.
There are two comforting conclusions I could offer you here. I will not.
The first is the warm one: so that is settled — you are a solid biological animal, one continuous life from the womb to the grave, and the self is secure after all; it was your body the whole time; simple. I cannot give you that, and you already know why, because we have just spent several minutes on the cost. The animal lasts, yes — but animalism buys that lasting by making it indifferent to everything you would have called yourself. It is a you that survives with every memory gone, and a you that is left on the table while your entire inner life continues in someone else. That is not the self made secure. That is the self handed back to you with its contents removed, and a note saying it is still, technically, yours. There is no comfort there. The continuity it offers is not the continuity you wanted.
The second comforting conclusion is the cold one, and it is the one you may be reaching for right now to be done with the argument: animalism is just materialism, reductive nonsense; you are obviously more than a body; set it aside. I cannot give you that one either, and it is the harder refusal. Because animalism gets the two ends of your life right, where the mind-theories get them wrong. It is the only view tonight that can say, without strain, that you were once a foetus and may one day be a patient who cannot think — the two things you actually believe about your own beginning and end. You cannot set aside the view that has biology on its side simply because its conclusion is cold. The price of dismissing it is denying the plainest facts about where you came from and where you may go.
And there is no third comfort beneath those two — no small practice I can offer to make it sit more easily. I am not going to tell you to ground yourself in your body, or to stop overthinking and simply be the animal.
So this is what you are left holding. The conviction you came in with — that you are, in some deep way, your mind, your memories, your story — is still standing; no one knocked it down. What you lose is smaller, and worse: the certainty that you know which thing you are — the animal that lasts, or the mind that matters — because tonight the two came apart, and pointed at two different bodies. Next week, Derek Parfit sets the whole dispute aside: he takes neither the mind's side nor the body's side, and asks whether the question we have been circling for a month — will it still be me? — is even doing the work we think, or whether it is an empty one. He has built a thought experiment to test that: a box on Earth, a box on Mars, and a case designed to make "will it be me?" come apart.
For tonight, take it back to your own life, where it has been the whole time. Find that grainy image from before you were born, or simply picture it. Point at it the way everyone does and say that was me. Then run tonight's argument on your own word. Was it? Was that small, mindless, living thing in the womb you — and if you say yes, notice that you have just agreed you are the animal, because nothing else was there to be you. Then go to the other end, the one no one likes to picture: the body you might one day become, mind gone, still breathing. Is that still you? Hold the beginning against the end — the sonogram and the hospital bed — and see whether the answer you give to the image on the screen is the same answer you give to the body in the bed. If it is, you have taken the animalist's side. And if it is not, you owe yourself a reason why the same living thing is you at one end and not the other — and that reason is the one step you cannot leave out.
Thanks for listening. I'll see you next time.