this post was submitted on 22 Jun 2026
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[–] ViatorOmnium@piefed.social 129 points 2 months ago (34 children)

LLMs are not sentient, but this gimmick doesn't prove that.

There's nothing to indicate the human brain can't be implemented in a Turing machine too.

[–] luthis@lemmy.nz 8 points 2 months ago (1 children)

I don't think that is the case.

[–] SkyeStarfall@lemmy.blahaj.zone 11 points 2 months ago (2 children)

There's nothing that indicates the human brain has super-turing computation

[–] NocturnalMorning@lemmy.world 5 points 2 months ago (1 children)

Except that we've never done it, and we struggle to even define what consciousness is. But, other than that, sure.

[–] cynar@lemmy.world 11 points 2 months ago (11 children)

There's fundamentally not much difference between our brain and a fly's, at the cellular level. We have fully simulated a fly's brain already. When given a virtual body, it promptly started acting like a fly.

I don't think LLMs are conscious or sentient. However, consciousness is likely just an internal illusion. There's no obvious reason we can't scale up from a fly to a human brain, other than difficulty. At that point you have a fully virtual brain that believes itself to be conscious, and can demonstrate sentience.

[–] NocturnalMorning@lemmy.world 13 points 2 months ago (1 children)

I'll believe it when it happens. There's a huge different between simulating 139,000 neurons and 50 billion neurons.

Besides, the authors looked at taste and touch sensory. That's not exactly predicting the entire behavior of a fly, and the authors (of which there were many), admitted they don't know if it can actually predict neural activity. Source

[–] cynar@lemmy.world 5 points 2 months ago (3 children)

I'm not expecting anything any time soon either. Though I can see someone like musk pumping far too much money into it at some point.

My point was however that the difference is just one of scale. We don't need to predict the firings, just run it and compare it to nature. From what I've read, it behaves like a fly, including walking and grooming itself. This means there is no magic mystical difference between a real fly's brain and a virtualized one.

Projecting further, there is no difference, other than scale, between our brain and the fly. Implying there is nothing mystical about consciousness.

If a human brain can be conscious, then a virtualized human brain can be conscious. If a virtualized brain can be conscious, then so can the computer it runs on.

The question then becomes do we WANT consciousness in an AI, what would it look like, and how can we detect/measure it?

[–] marxismtomorrow@lemmy.today 3 points 2 months ago (1 children)

Except if this is the case, free will does not exist. If the world is purely deterministic, you've never made a choice. No one has. We are in the middle of a mathematical computation that has been predicted from the start of the universe.

[–] cynar@lemmy.world 2 points 2 months ago (1 children)

That is pretty much my view on things. I don't like it, but it's what the evidence suggests. However, my internal thoughts still assume I have free will. It's a useful lie.

Discworld's Death put it quite well, in Hogfather.

All right," said Susan. "I'm not stupid. You're saying humans need... fantasies to make life bearable."

REALLY? AS IF IT WAS SOME KIND OF PINK PILL? NO. HUMANS NEED FANTASY TO BE HUMAN. TO BE THE PLACE WHERE THE FALLING ANGEL MEETS THE RISING APE.

"Tooth fairies? Hogfathers? Little—"

YES. AS PRACTICE. YOU HAVE TO START OUT LEARNING TO BELIEVE THE LITTLE LIES.

"So we can believe the big ones?"

YES. JUSTICE. MERCY. DUTY. THAT SORT OF THING.

"They're not the same at all!"

YOU THINK SO? THEN TAKE THE UNIVERSE AND GRIND IT DOWN TO THE FINEST POWDER AND SIEVE IT THROUGH THE FINEST SIEVE AND THEN SHOW ME ONE ATOM OF JUSTICE, ONE MOLECULE OF MERCY. AND YET—Death waved a hand. AND YET YOU ACT AS IF THERE IS SOME IDEAL ORDER IN THE WORLD, AS IF THERE IS SOME...SOME RIGHTNESS IN THE UNIVERSE BY WHICH IT MAY BE JUDGED.

"Yes, but people have got to believe that, or what's the point—"

MY POINT EXACTLY.

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[–] partofthevoice@lemmy.zip 2 points 2 months ago (1 children)

This means there is no magic mystical difference between a real fly's brain and a virtualized one.

That’s not true. You might simulate fly intelligence, but you aren’t simulating a fly. Flys are an entity driven by their phenomenological experience of the world (as all us nervous systems are). It would be a rather strange thing to say that a fly is only the pattern of behavior you recognize as a fly’s behavior.

Note that flies also have this capacity to self-evolve over generations. There is no single fly that you can point to and say, “that’s the right one. Copy It.” So, your “fly simulations” are always at best a behavioral approximation. Given enough time, say a decade or century, this ought be obvious by the fact that your simulation no longer accurately resembles the most modern flies.

Projecting further, there is no difference, other than scale, between our brain and the fly.

That’s just not true. Consider “What The Frog Eye Tells The Frog Brain.” Put briefly, the eye encodes and transmits semantic information — as opposed to the more common belief that it transmits raw visual information. That said, there a trillions of differences between how that might work in a human versus in a frog, let alone a fly.

I think you’ve discovered “neurons work similarly across species,” which is like saying “thing does same thing when used in other location.” This doesn’t tell you how neurons work to drive that behavior, it doesn’t tell you what it’s like to experience your neurons firing that way, it doesn’t tell you why the neurons were developed that way topologically over time… At best, it helps you develop a timebound understanding of fly automata to neural architecture. That’s without any understanding of phenomenology to neural architecture, and likely without being able to decompose the neural system into any semblance of semantic information processing.

A human is much more complex than a fly. I can’t believe for a second that this approach would work scale to a human’s brain. If you captured and simulated every neuron in the human brain, you’d be left with a feedforward process simulating a particular neural state of a particular person. No feeling, no reflection, no introspection, no semantic meaning. Just a neat toy.

[–] Jakeroxs@sh.itjust.works 3 points 2 months ago (5 children)

"If you captured and simulated every neuron in the human brain, you’d be left with a feedforward process simulating a particular neural state of a particular person. No feeling, no reflection, no introspection, no semantic meaning. Just a neat toy."

Seems to me you think there's something special about humans, I don't believe there's any proof to that.

Yes its orders of magnitude more complex then a fly brain, that doesn't mean it's impossible to simulate.

There's no proof to a soul, our whole existence is our meat which evolved naturally over extreme timescales via random forces and natural selection, I see no reason to believe we could not do the same with our intelligence in a much shorter period of time comparatively.

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[–] partofthevoice@lemmy.zip 4 points 2 months ago (1 children)

An illusion is a phenomenological experience, for which you must be conscious. Consciousness can not be an illusion. You must be conscious to experience an illusion at all.

[–] cynar@lemmy.world 3 points 2 months ago (4 children)

It's a case of running out of terms. I was using it here as apparent, but not a "real" thing.

It's a bit like a lot of visual illusions, we can often all see them consistently, but they don't exist in the image itself.

In this case, consciousness is likely related to keeping our own mind functioning coherently. Providing a common virtual ground for the various parts of our brain to interact. There is no seat of consciousness, it's akin to the operating system on a computer. Not required, but makes a lot of tasks massively easier.

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[–] yakko@feddit.uk 2 points 2 months ago (1 children)

Buddy, I barely think humans are sentient

[–] Bytemeister@lemmy.world 2 points 2 months ago

Whenever people talk about human sentience, I always think back to the opening scene of Shaun of the Dead...

[–] TranscendentalEmpire@lemmy.today 1 points 2 months ago (5 children)

There's fundamentally not much difference between our brain and a fly's, at the cellular level.

There's fundamentally not much difference between the silicon in an n64 and the silicone in a quantum computer..... That doesn't mean you can make a quantum computer out of an old n64.

However, consciousness is likely just an internal illusion.

Internal..... as it can only be confirmed by the individual self? Consciousness is an ontological term to define the human condition. There is purposely no exact definition, as an exact definition of consciousness would only be utilized to strip rights away from those who do not fall under the exacting definition. There are however generally agreed upon criteria and criteria that have been hotly debated for hundreds of years.

There's no obvious reason we can't scale up from a fly to a human brain, other than difficulty.

To make this claim requires someone to have a limited understanding of what consciousness is, and how it develops. It completely ignores the mind body problem, and treats the human brain as something that can operate outside the body as if it were some sort of computer.

Consciousness in humans develops and sustains itself as we physically interact with the world around us. This is true in both development in childhood and as we continue to age. As we physically interact with phenomena around us we mentally develop, as our senses start to fail us in age we mentally decline. Even if I were to just cut off your arm, there would be a plethora of changes to the physiology of your brain that would alter the way it functions and the way it is shaped.

A person born stripped of all physical phenomena would never develop a conscious to begin with, and a if it were stripped away after consciousness had developed they would lose it. Hell, even sticking someone in an area with restricted physical phenomena for a short period of time can drive them insane.

Consciousness is not purely a metaphysical phenomenon. And from what we currently understand of it can not be recreated purely in a virtual format.

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[–] 5gruel@lemmy.world 2 points 2 months ago

it baffles me how many people in here apparently don't have the reading comprehension to understand your second sentence. I swear Lemmy is even dumber than reddit.

[–] edible_funk@lemmy.world 2 points 2 months ago (1 children)

Aren't brains like orders of magnitude faster and more "powerful" than even the strongest supercomputers?

[–] Bytemeister@lemmy.world 2 points 2 months ago

It's complicated.

Computers can scale, you can make a computer much larger than a human brain.

Computers really just do binary math. For those who don't know, it's basically determining whether or not 1 or 0 should change, or stay the same, based on an algorithm. We don't know (or at least, I haven't read that we know) how brains actually store and process information.

Computers are very fast at doing "simple" calculations with definite answers. A pocket calculator can do math faster than you can with 100% accuracy. On the flip side, analyzing and reacting to incomplete information is the forte of the human brain. We still haven't made a computer than can fit in a car and drive better than some of the dumbest people on the planet manage to do, while fucking around on their phones at the same time.

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