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A Thousand Brains: A New Theory of Intelligence A Thousand Brains: A New Theory of Intelligence by Jeff Hawkins
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“It is human nature - aka old brain - to suspect everyone wants to steal your idea, where the reality is that you are lucky if anyone cares about your idea at all.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“There are two ways to think about ourselves. One is as biological organisms, products of evolution and natural selection. From this point of view, humans are defined by our genes, and the purpose of life is to replicate them. But we are now emerging from our purely biological past. We have become an intelligent species. We are the first species on Earth to know the size and age of the universe. We are the first species to know how the Earth evolved and how we came to be. We are the first species to develop tools that allow us to explore the universe and learn its secrets. From this point of view, humans are defined by our intelligence and our knowledge, not by our genes. The choice we face as we think about the future is, should we continue to be driven by our biological past or choose instead to embrace our newly emerged intelligence?”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“At some point in the future, we will accept that any system that learns a model of the world, continuously remembers the states of that model, and recalls the remembered states will be conscious.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“We are intelligent not because we can do one thing particularly well, but because we can learn to do practically anything.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“The point is that anything capable of self-replication, especially viruses and bacteria, is a potential existential threat. Intelligence, on its own, is not.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“In the battle between the old brain and the neocortex, the old brain usually wins. We eat the cake.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“The difficult part of knowledge is not stating a fact, but representing that fact in a useful way.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“The list of things everyone should know is short. I would include
how the brain is composed of the new part and the older parts. I would include how the neocortex learns a model of the world, whereas the older parts of the brain generate our emotions and more primitive behaviors. I would include how the old brain can take control, causing us to act in ways we know we shouldn’t. And I would include how all of us are susceptible to false beliefs and how some beliefs are viral.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“life is not about having a correct model of the world. Life is about replication.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“A future driven by genes has little to no direction and only short-term goals: stay healthy, have kids, enjoy life. A future designed in the best interest of knowledge has both direction and end goals.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Our neocortex has invented powerful technologies that are capable of changing the entire Earth, but the human behavior that controls these world-changing technologies is often dominated by the selfish and shortsighted old brain.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“through the sensory nerves. The nerves only send spikes. And since we do not perceive spikes, everything we do perceive must be fabricated in the brain. Even the most basic feelings of light, sound, and touch are creations of the brain; they only exist in its model of the world.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Uploading your brain entails recording all the details of your brain, and then using them to simulate your brain on a computer. The simulator would be identical to your brain, so “you” would then live in the computer. The goal is to separate your mental and intellectual “you” from your biological body. This way, you can live indefinitely, including in a computer that is remote from Earth. You wouldn’t die if Earth became uninhabitable.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“The choice we face as we think about the future is, should we continue to be driven by our biological past or choose instead to embrace our newly emerged intelligence? We may not be able to do both.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“There are neurons in the old part of our brain that are known to learn maps of the places we have visited, and these neurons have been under evolutionary pressure for so long that they are fine-tuned to do what they do. In mammals, the old brain parts where these map-creating neurons exist are called the hippocampus and the entorhinal cortex.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“However, if one or more of the neurons are in the predictive state, our theory says, only those neurons spike and the other neurons are inhibited. Thus, when an input arrives that is unexpected, multiple neurons fire at once. If the input is predicted, then only the predictive-state neurons become active. This is a common observation about the neocortex: unexpected inputs cause a lot more activity than expected ones.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“To predict the next note, you can’t just look at the previous note or the previous five notes. The correct prediction may rely on notes that occurred a long time ago.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“We have learned a tremendous amount of knowledge and facts about the brain, but we have little understanding of how the whole thing works.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“The unit of processing in the neocortex is the cortical column. Each column is a complete sensory-motor system—that is, it gets inputs and it can generate behaviors.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“We realized that the brain’s model of the world is built using maplike reference frames. Not one reference frame, but hundreds of thousands of them. Indeed, we now understand that most of the cells in your neocortex are dedicated to creating and manipulating reference frames, which the brain uses to plan and think.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“we learn by moving. In order to learn a model of a building, we must walk through it, going from room to room. To learn a new tool, we must hold it in our hand, turning it this way and that, looking and attending to different parts with our fingers and eyes. At a basic level, to learn a model of the world requires moving one or more sensors relative to the things in the world.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Although we can’t know the details of the future, the Thousand Brains Theory can help us define the boundaries. Understanding how the brain creates intelligence tells us what things are possible, what things are not, and to some extent what advances are likely.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Knowledge in the brain is distributed. Nothing we know is stored in one place, such as one cell or one column. Nor is anything stored everywhere, like in a hologram. Knowledge of something is distributed in thousands of columns, but these are a small subset of all the columns.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Our reality is similar to the brain-in-a-vat hypothesis; we live in a simulated world, but it is not in a computer—it is in our head.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“frightening. It won’t give you nightmares. But it is so exhilarating, so stimulating, it’ll turn your mind into a whirling maelstrom of excitingly provocative ideas—you’ll want to rush out and tell”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“We face a dilemma. 'We' -- the intelligent model of ourselves residing in the neocortex -- are trapped. We are trapped in a body that not only is programmed to die but is largely under the control of an ignorant brute, the old brain. [...] We try to control our old brain's destructive and divisive impulses, but so far we have not been able to do this entirely. Many countries on Earth are still ruled by autocrats and dictators whose motivations are largely driven by their old brain: wealth, sex, and alpha-male-type dominance. The populist movements that support autocrats are also based on old-brain traits such as racism and xenophobia.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“To hold on to a false model, such as a flat Earth, requires dismissing evidence that conflicts with your model. Flat-Earth believers say they distrust all evidence that they cannot directly sense. A picture can be fake. An explorer's account can be fabricated. Sending people to the moon in the 1960s could have been a Hollywood production. If you limit what you believe to only things you can directly experience, and you are not an astronaut, then a flat-Earth model is what you end up with. To maintain a false model, it also helps to surround yourself with other people who have the same false beliefs, thus making it more likely that the inputs you receive are consistent with your model. Historically, this entailed physically isolating yourself in a community of people with similar beliefs, but today you can achieve a similar result by selectively watching videos on the internet.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Not that long ago, the question 'What is life?' was as mysterious as 'What is consciousness?'. It seemed impossible to explain why some pieces of matter were alive and others were not. [...]
At some point in the future, we will accept that any system that learns the model of the world, continuously remembers the states of that model, and recalls the remembered states will be conscious. There will be remaining unanswered questions, but consciousness will no longer be talked about as 'the hard problem'. It won't even be considered a problem.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Why do we have a singular perception if we have thousands of models? When we hold and look at a coffee cup, why does the cup feel like one thing and not thousands of things? If we place the cup on a table and it makes a sound, how does the sound get united with the image and feel of the coffee cup? In other words, how do our sensory inputs get bound to a singular percept? [...] Instead of converging onto one location, the connections go in every direction. This is one of the reasons why the binding problem is considered a mystery, but we have proposed an answer: columns vote. Your perception is the consensus the columns reach by voting.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence
“Reference frames in the old brain learn maps of environments. Reference frames in the what columns of the neocortex learn maps of physical objects. Reference frames in the where columns of the neocortex learn maps of the space around the body. And, finally, reference frames in the non-sensory columns of the neocortex learn maps of concepts.
To be an expert in any domain requires having a good reference frame, a good map.”
Jeff Hawkins, A Thousand Brains: A New Theory of Intelligence

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