[amatecha]

Yeah, I’ve believed for most of my life that consciousness is some emergent thing that arises from the interaction of all the complex biological processes of our brain and its sensory input. Most people don’t like to hear this though, and I don’t express the idea often - it’s disappointing to consider this possibility (I consider it certain, as I’ve observed nothing to suggest otherwise).

[matt-attack]

I believe physics can absolutely explain everything about our behavior when viewed externally. Clearly our personalities, emotion and general behavior are the result of incredibly complex systems of molecules and electrical charge in the brain.

What you’re ignoring and what Chalmers and the folks in TFA are talking about is, the explaining the inner view. The subjective experience. In fact the only inner view I’m 100% sure of is my own. I really have no direct evidence that you or any other human is actually having a subjective experience. Nonetheless you cannot deny they it exists and we should try to explain it.

I’m not just a device responding to input. I am that, but I’m more. I have a subjective experience. There are “lights on”.

[MrYellowP]

Imagine there's no internet and you don't have a dictionary.

When you've never observed the Eiffel tower and someone tells you the Eiffel Tower exists, will you tell them that they're wrong?

"There's no evidence that the Eiffel Tower exists."

Do you have any evidence the Eiffel Tower does not exist?

No?

Then it makes no sense to assume you know what's reality. The reason, why you insist that it doesn't exist, is because you're narrow minded and boring. It's not because you know better, because you can't know better.

In regards to the topic of consciousness it is not just insanely ignorant to believe that the lack of evidence is evidence that it is NOT something, it is also incredibly full of yourself to assume you're right simply because of that.

Fact of the matter is that a lack of evidence does not necessarily automatically prove anything. Us not being able to find evidence means exactly nothing, which is proven by human history itself.

For example, if Ignaz Semmelweiß would have had your flawed reasoning, he would have never tried washing his arms and hands.

[plonk]

That's a weak argument. The reason some of us don't believe that consciousness is something else than the state of a brain following physical processes is that the latter is a much simpler theory and matches every objective observation we can make.

If you try to explain consciousness as just the state of a physical brain, all the observations agree with you. The brain is known to be capable of computing. There are known regions inside it that activate when the subject feels certain emotions and thinks a certain kind of thoughts. There are regions that have predictable effects on the person's consciousness when damaged (see lobotomy). _And_ this hypothesis doesn't contradict any observations made until now (which is not the only argument as you're implying, just one of them, and a good one).

If you try to explain consciousness as something else, you have to change the laws of physics. You have to consider that _something_ exists that isn't in the current theories, just to explain a phenomenon that shows no evidence of needing that. There's no data to guess what it is, how it behaves, why it exists, whether it interacts with anything. Actually, you could say that all the evidence until now proves that it doesn't interact with anything in a measurable way, besides brainwaves (which are just regular electrical activity in the nervous system) and whatever the body does (which is explained by nerve signals coming from the brain).

To believe that something exists, you make observations that your current theory can't explain and try to explain them. Here the root observation is that we "feel" conscious, we feel that we are something more than the physical objects that are our bodies. This is an observation about the state of our brains, it's not an observation about the rest of the world. It doesn't need any new laws of physics to be understood and it doesn't give us any data that we could use to build such a law. The only reason you're giving weight to this is that you are wired to see humans as something special. It's a reflection of the way you think. When you correct for that bias, there's nothing left.

It's much like believing that a god exists, built the universe, looks and thinks and feels like a human, and wants us to be good. It's so obviously something that humans naturally want to think because it matches with their inner biases that it's not worth considering as a scientific hypothesis. It's completely explained by the brain being wired to see humans (and living things in general) as something "special" because that helped with natural selection.

[imtringued]

>The only reason you're giving weight to this is that you are wired to see humans as something special. It's a reflection of the way you think. When you correct for that bias, there's nothing left.

Uh, no. The reason why you need a "conscious" universe is precisely beause humans aren't special. In a conscious universe model, the brain "abuses" the laws of physics including whatever laws that relate to consciousness to result in an organism with higher environmental fitness.

I am more than willing to consider a robot or a wet piece of cloth as conscious, but the problem is that you need to somehow unify these incredibly different experiences as conscious.

The people who believe that consciousness is just the result of processes in the brain also believe that a computer can become conscious given the right program, but this is nonsense, because the computer hardware already has all of the hardware to perform lesser forms of consciousness. The "thoughts" of a processor don't have to be in the form of human intelligence that can be easily observed. The idea that consciousness suddenly turns on because you load a carefully crafted file from your SSD into RAM and turns off if you zero it out, is what is ridiculous to me and that is exactly what "the brain gives rise to consciousness" says to me. After all, if you could somehow simulate the brain of a crow or any other animal, you would not be able to understand what the animal is saying and discount it's consciousness the same way we discount the consciousness of farm animals. So for me, your explanation is the one that makes humans special.

[plonk]

> Uh, no. The reason why you need a "conscious" universe is precisely beause humans aren't special. In a conscious universe model, the brain "abuses" the laws of physics including whatever laws that relate to consciousness to result in an organism with higher environmental fitness.

> I am more than willing to consider a robot or a wet piece of cloth as conscious, but the problem is that you need to somehow unify these incredibly different experiences as conscious.

I have no idea what you mean. What does it mean to "abuse" the laws of physics? Why would you need to do that to improve an organism's environmental fitness, compared to simply developing a complex nervous system by natural selection? Do you consider these to be the same thing? Where does the "conscious universe" come up in that process?

> The people who believe that consciousness is just the result of processes in the brain also believe that a computer can become conscious given the right program, but this is nonsense, because the computer hardware already has all of the hardware to perform lesser forms of consciousness.

That sentence doesn't make sense to me either. How does the second proposition contradict the first?

"Consciousness" isn't a clearly defined line, it's a pattern of thoughts that happen in a system complex enough to be aware of itself and its surroundings. I'm conscious because my thoughts include the fact that I exist and that I am thinking, and that fact influences my thoughts. A regular computer isn't there because it follows a program without knowing that it's doing it, or having any kinds of thoughts about itself. When we program a computer to do that (and current computers are probably physically capable of some form of that, as you say), then they will fit the definition of consciousness.

> After all, if you could somehow simulate the brain of a crow or any other animal, you would not be able to understand what the animal is saying and discount it's consciousness the same way we discount the consciousness of farm animals.

Why would I want to discount the consciousness of a crow? What does the fact that some people discount the consciousness of farm animals have to do with this discussion? I really don't understand what point you're making. It seems that you're trying to put words in my mouth, creating a contradiction with things I didn't say.

Crows are probably conscious, farm animals are probably conscious, and a wet piece of cloth or a plant aren't. That's because the cloth and the plant don't have a nervous system capable of holding the thought that it itself exists. I'm open to changing my mind about plants if we discover one that does.

> So for me, your explanation is the one that makes humans special.

Defining a concept necessarily makes some things special in the context of that definition. That's what a definition does. Consciousness has a somewhat vague definition that clearly applies to humans and some mammals, while it doesn't apply to rocks and plants. Your objection is like saying that a rock is "alive" because otherwise the definition of "life" would make humans special. Of course it does! It makes every living thing "special" in that it fits the definition, while other things don't. Again, that's the whole point of defining a concept: discriminating the objects that display it from the objects that don't.

[hnfong]

> The reason some of us don't believe that consciousness is something else than the state of a brain following physical processes is that the latter is a much simpler theory and matches every objective observation we can make.

I have personally seen and experienced things that cannot be explained by these physical theories, and while you may want to just throw those observations as delusions or fraud, consider how the standard process of deciding what counts as “scientific evidence” is biased towards those that are consistent with the status quo.

You actually don’t need to look too far to find things that don’t quite sit well with the established theories. Those that are not obviously fraud. People then just casually explain them away as coincidence or physiological illusions or the like.

I can totally understand how people can convince themselves that the established theories are sufficient unless and until they experience a dramatic event that throws them off course. That said the rabbit hole is truly deep if you actually spend time searching for info.

I’m just trying to tell you that the quoted sentence is just plainly wrong. I have no obviously better theories however, and to the extent that modern science can convince a large part of the population that the quoted sentence is correct shows how reasonably well the theories of modern science holds up to scrutiny. I just think it’s a disservice to all to brush away the weird bits that don’t fit.

[amatecha]

I'm not quite sure what point you're trying to make here. What is this hypothetical Eiffel tower situation an analogy to? Someone claiming our consciousness is derived from some ephemeral soul or spirit?

I'm not trying to assert or prove the inexistence of something (especially considering https://en.wikipedia.org/wiki/Evidence_of_absence ). My belief is that our consciousness is a physical, organic phenomenon, directly emergent from the "circuitry" of our brain. I don't personally believe there is anything beyond that, unfortunately. Simultaneously, I'm not directly arguing that assertion or trying to "prove" it, because I'm simply stating my subjective opinion, which was clearly communicated in my post, with the wording "I’ve believed for most of my life" and "I consider it". It will never be anything more than a belief, because I will never be able to prove this. My observations and knowledge I've gained through life support my belief quite strongly, while none have ever provided a shred of support for an argument for any sort of "soul" or "spirit". I'm 100% open to the idea, but unfortunately literally all experiences related to life, consciousness and existence in my nearly 40 years alive have correlated with my "I am nothing more than my body" opinion.