What is *A Thousand Brains* by Jeff Hawkins about?

*[A Thousand Brains](https://www.numenta.com/resources/books/a-thousand-brains-by-jeff-hawkins/)* proposes a groundbreaking theory of intelligence, arguing the brain uses thousands of parallel "map-like" models in the neocortex to understand the world. Jeff Hawkins, co-founder of Palm and Numenta, challenges traditional AI approaches by emphasizing biological principles like hierarchical object modeling, sensory-motor integration, and location-based reference frames. The book explores implications for consciousness, machine intelligence, and humanity’s future.

Who should read *A Thousand Brains*?

This book is ideal for neuroscience enthusiasts, AI researchers, and readers interested in theories of intelligence. Its blend of accessible explanations (e.g., cortical column functions) and speculative ideas (e.g., space-faring AI) appeals to both professionals and curious general audiences. Bill Gates praised it for reshaping his understanding of everyday objects like coffee cups.

Is *A Thousand Brains* worth reading?

Yes—it offers a paradigm-shifting perspective on intelligence backed by 15+ years of neuroscience research. Hawkins bridges academic rigor and practical insights, making complex topics like grid cells and reference frames engaging. Critics note its ambitious scope, but it remains a seminal work for understanding biological vs. artificial intelligence.

What are the main ideas in *A Thousand Brains*?

Key concepts include: - **Thousand Brains Theory**: The neocortex uses countless cortical columns to create distributed, hierarchical models of objects and spaces. - **Reference Frames**: Intelligence relies on spatial maps to organize knowledge. - **AI Limitations**: Current AI lacks biological learning mechanisms, limiting true generality. - **Knowledge Preservation**: Proposes using machines to eternally store human knowledge.

What are the key takeaways from *A Thousand Brains*?

- Intelligence emerges from prediction-driven sensory-motor systems, not computation. - Brains use 3D reference frames to model relationships between objects. - Machines mimicking cortical algorithms could surpass today’s narrow AI. - Human-level AGI requires replicating neocortex-like structures, not just scaling data.

What is the most famous quote from *A Thousand Brains*?

While not overtly quote-focused, Hawkins’ assertion that “intelligent machines could preserve humanity’s knowledge long after we’re gone” captures the book’s visionary tone. This idea—explored in Gates’ review—positions AI as a cosmic archive rather than a existential threat.

How does *A Thousand Brains* compare to Jeff Hawkins’ earlier book *On Intelligence*?

*On Intelligence* (2004) introduced Hawkins’ initial cortical theory, while *A Thousand Brains* expands it with discoveries like reference frames and cortical column collaboration. The newer work also addresses AI ethics and interplanetary knowledge preservation, reflecting advances at Numenta.

What are the criticisms of *A Thousand Brains*?

Some argue Hawkins underestimates AI’s near-term risks, overly focusing on cortical mechanics while neglecting emotional or ethical dimensions. Critics on LessWrong question whether replicating biological intelligence is the sole path to AGI.

千の脳理論

知性の新しい理論

ジェフ・ホーキンス

4.06(6685 Reviews)

Technology

『千の脳理論』の概要

Palm Computingの創設者から神経科学者に転身したジェフ・ホーキンスは、その「千の脳理論（Thousand Brains Theory）」によって、知能に対する私たちの理解に革命を起こしています。もし私たちの脳が、一つの階層的なシステムではなく、数千もの世界モデルを構築しているとしたらどうでしょうか？2021年に発表されたこの画期的な著作は、脳の真の構造を模倣することで、AIを変革する可能性があります。

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第1章

Unlocking the Mind's Greatest Mysteries

Have you ever wondered how a three-pound organ made of simple cells can create Shakespeare's sonnets, Einstein's theories, or your ability to recognize your grandmother's face instantly? Jeff Hawkins, the inventor of the PalmPilot and founder of Numenta, has spent decades pursuing this question with an engineer's precision and a philosopher's wonder. In "A Thousand Brains," he presents a revolutionary theory that could transform our understanding of intelligence itself. This isn't just another neuroscience book-it's been hailed by Richard Dawkins as "exhilarating" and "a whirling maelstrom of provocative ideas." The book has gained cult status among tech leaders in Silicon Valley, with Elon Musk citing it as influential to his understanding of AI. Beyond scientific circles, it offers profound insights into why humans believe falsehoods despite contrary evidence-a topic with urgent relevance in our era of polarization and misinformation. Hawkins doesn't just explain how brains work; he explores what this means for humanity's future in a universe where our intelligence might be uniquely precious.

第2章

The Brain's Revolutionary Architecture: Not One Model But Thousands

The human brain remains one of science's greatest mysteries. Despite massive research initiatives and mountains of collected data, we still lack a comprehensive framework to explain how intelligence emerges from simple cells. After fifteen years of dedicated research, Hawkins experienced a breakthrough in 2016: the neocortex-the wrinkled outer layer comprising 70% of the human brain-doesn't create just one model of the world, but thousands of them simultaneously. This insight, which Hawkins calls the "Thousand Brains Theory," suggests that each of the brain's 150,000 cortical columns functions as a semi-independent learning system. These columns, each roughly one square millimeter in size, contain astonishingly complex circuitry-100,000 neurons forming approximately 500 million connections through several kilometers of axons and dendrites, all compressed into the volume of a grain of rice. What makes this theory particularly compelling is how it builds upon neuroscientist Vernon Mountcastle's revolutionary proposal from 1978. Mountcastle observed that despite handling diverse functions like vision, hearing, touch, and language, the neocortex displays remarkably similar cellular architecture throughout. He suggested that all regions operate on a single algorithm, with their different functions determined by their connections rather than their intrinsic structure. Connect a region to eyes, you get vision; to ears, you get hearing; to other regions, you get higher thought. The Thousand Brains Theory explains what this universal algorithm actually does: every cortical column builds complete models of objects and concepts using reference frames-essentially creating thousands of parallel models of everything we know. This explains why every part of the neocortex connects to movement centers in the old brain. We don't just passively receive sensory information; we actively explore the world through movement, with each movement generating predictions about what we'll experience next. When you hold a coffee cup, for example, your brain isn't just processing the immediate sensations. It's predicting what you'll feel as your fingers move across the surface, what you'll see as you rotate it, how heavy it will be when lifted. These predictions come from thousands of cortical columns working in parallel, each with its own model of the cup, voting together to create your unified perception.

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『千の脳理論』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第3章

Maps in the Brain: How We Navigate Reality

When you walk through a familiar room with your eyes closed, you can still navigate around furniture because your brain maintains a mental map of the space. This remarkable ability reveals something fundamental about how our brains work: they represent everything we know using maplike structures called reference frames. This insight connects to groundbreaking discoveries about navigation in the mammalian brain. In 1971, researchers discovered "place cells" in the rat hippocampus-neurons that fire when the animal is in specific locations, functioning like "you are here" markers on a map. Later, in 2005, scientists identified "grid cells" in the entorhinal cortex that fire at multiple, equally spaced locations forming a hexagonal grid pattern. Together, these cells create complete environmental maps-grid cells provide the reference frame (like coordinates on a map) while place cells identify what exists at each location. Hawkins realized that this ancient navigation system provided the blueprint for how the neocortex represents all knowledge. Each cortical column contains cells that function similarly to grid cells and place cells, but instead of mapping physical environments, they map objects, concepts, and ideas. When you touch a coffee cup, neurons in your cortical columns represent both what you're feeling (the smooth ceramic surface) and where your finger is located relative to the cup itself. This explains how we can recognize objects from any angle or with partial information. Each cortical column creates its own reference frame-like an invisible 3D grid-attached to the object. This reference frame moves with the object when it rotates or changes position, allowing us to maintain a consistent understanding of the object regardless of how we're interacting with it. The brain's ability to create these reference frames extends beyond physical objects to abstract concepts. When organizing knowledge about people, for instance, your brain might create a multi-dimensional reference frame with axes for age, geographic location, frequency of contact, and other relevant dimensions. This allows you to "navigate" through your knowledge about people just as you navigate through physical space. The ancient memory technique called "method of loci" or "memory palace" works precisely because it leverages this fundamental brain mechanism. By mentally placing items at different locations in your house and then "walking" through it to recall them, you're using a familiar reference frame to store and retrieve information-exactly how your brain naturally organizes knowledge.

第4章

Thinking as Movement: How Reference Frames Transform Our Understanding of Intelligence

The most profound implication of the Thousand Brains Theory is that thinking itself is a form of movement. When you recall a memory, solve a problem, or contemplate an abstract concept, your brain is literally moving through reference frames-activating successive locations within these mental maps just as it would when physically exploring an environment. This insight helps explain why experts in any field-whether mathematics, politics, or chess-seem to "see" solutions that novices miss. They've developed sophisticated reference frames that allow them to navigate their knowledge domain efficiently. A mathematician doesn't just memorize equations; she builds reference frames where mathematical operations become movements through a conceptual space. When she sees an equation, she immediately recognizes potential manipulations-just as you recognize how to use a familiar physical object. Without proper reference frames, mathematical notation appears as meaningless scribbles, leaving one "lost in math space" just as one might be lost in woods without a map. Similarly, expert politicians have learned reference frames that help them predict outcomes of different actions and find paths to desired results through the political landscape. Language-humanity's most distinctive cognitive ability-also relies on reference frames. The nested structure of language (sentences containing phrases containing words containing letters) mirrors the nested structure found throughout the physical world. Each cortical column learns to recognize this structure in both physical and conceptual domains. The brain rapidly learns new combinations by creating reference frames that link to previously learned reference frames, similar to hyperlinks in a document. Reference frames serve four distinct purposes: in the old brain they create maps of environments; in the neocortex's "what" columns they map physical objects; in "where" columns they map the space around our bodies; and in non-sensory columns they map abstract concepts. This common mechanism-the universal algorithm that Mountcastle proposed-provides the substrate for learning structure, location, movement, and change across both physical and conceptual domains. The implications are profound: intelligence isn't about processing power or storage capacity, but about building accurate models of the world through reference frames and using those models to predict and navigate reality. This fundamentally changes how we should think about both human and artificial intelligence.

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第5章

The Thousand Brains Theory: A New View of the Neocortex

For fifty years, the dominant theory portrayed the neocortex as a hierarchical flowchart of feature detectors. In vision, this model suggested retinal cells detect light in small image areas, then project to region V1 where neurons detect simple features like edges, which pass to V2 for more complex features like corners, continuing until complete objects are recognized in higher regions. This theory's major flaw is treating vision as static rather than the dynamic, movement-dependent process it actually is. It also fails to explain several observations: why early visual regions V1 and V2 are larger than regions supposedly recognizing complete objects; why most neurons in V1 don't respond to simple features; how neurons in V1 and V2 anticipate what they'll see before eyes finish moving; and how we learn objects' three-dimensional structure. The Thousand Brains Theory offers a radically different view: all cortical columns, even in low-level sensory regions, can learn complete object models by integrating inputs over time. This explains how mice with primarily one-level visual systems can recognize objects. The neocortex maintains multiple complementary models of each object across different columns. A tactile column might learn a phone's shape, texture, and button feel, while a visual column learns its shape, colors, and screen displays. When you perceive an object, thousands of columns create their own models based on their inputs, then vote to reach consensus about what they're collectively perceiving. This "voting" occurs through long-distance axonal connections between columns. Only certain neurons-those representing what object is being sensed rather than raw sensory input-participate by broadcasting their hypotheses. When uncertain, neurons send multiple possibilities simultaneously until consensus emerges. This voting mechanism explains why our perception remains stable despite constantly changing sensory inputs. When columns agree on what object they're sensing, voting neurons form a stable pattern representing the object and its relative position. These voting neurons maintain consistent activity even as you move your eyes or fingers across an object. We consciously perceive only this stable voting layer activity, remaining unaware of the rapidly changing activity within individual columns. Rather than using hierarchy to assemble features into objects, the neocortex uses hierarchy to assemble objects into more complex objects. Complete objects, not features, are passed between hierarchical levels. This explains how we learn three-dimensional models despite two-dimensional inputs, why we have singular perceptions, and how the brain predicts sensory inputs during movement.

第6章

Why Current AI Isn't Truly Intelligent

Despite impressive achievements with deep learning-like computers beating humans at Go, Chess, and Jeopardy!-today's AI systems lack true intelligence. They're inflexible, unable to learn continuously, and limited to single tasks, unlike humans who can master thousands of skills. Even the most sophisticated AI models, like GPT-3 or DALL-E, excel only in their specific domains and cannot transfer knowledge to new situations or adapt their learning in real-time. The field of artificial intelligence has followed two distinct paths: one focused on outperforming humans at specific tasks (today's dominant approach), and another centered on flexibility-creating machines that can perform many tasks and transfer knowledge between them. The flexibility path proved difficult because researchers couldn't solve the knowledge representation problem-how to program or teach computers the thousands of everyday facts children naturally acquire. For instance, a three-year-old inherently understands that water is wet, falls downward, and can be contained in cups - basic physics concepts that remain challenging to encode into AI systems. Deep learning networks avoid this problem entirely by using statistics instead of true knowledge representation. A network that identifies cats doesn't know cats have tails or purr-it merely matches patterns from training data without understanding what cats actually are. This becomes evident when these systems make obvious mistakes that no human would make, such as misidentifying a cat when viewed from an unusual angle or in unusual lighting conditions. The Thousand Brains Theory suggests that truly intelligent machines would need four brain-like attributes: continuous learning (adjusting to changing conditions without forgetting previous knowledge), learning via movement (building models through interaction), maintaining many models (distributed knowledge for flexibility), and using reference frames to store knowledge (creating spatial representations of objects and concepts). Each attribute plays a crucial role in human intelligence, working together to create a flexible, adaptive system. Today's AI systems lack most of these attributes, particularly the neuron-like ability to form new synapses without disrupting existing ones, which enables continuous learning. Unlike deep learning networks that complete training before deployment, brains learn constantly to reflect the changing world. This flexibility comes from neurons forming new synapses on specific dendrite branches without affecting previously learned patterns on other branches. This explains why humans can learn new skills without forgetting old ones, while AI systems often suffer from "catastrophic forgetting" when trained on new tasks. Movement is also essential to intelligence, as we cannot sense everything simultaneously. Whether physically exploring a house or navigating a smartphone app, learning requires interaction. The brain accomplishes this through cortical columns that predict inputs with each movement, testing and updating their models continuously. This active learning process allows for building rich, multi-dimensional understanding of concepts and objects. The separation between AI and robotics will eventually disappear as researchers recognize the importance of reference frames for general intelligence. Intelligence isn't measured by performance in specific tasks but by how knowledge is learned and stored-the flexibility to learn almost anything through continuous learning, movement, multiple models, and general-purpose reference frames. Future AI systems will need to incorporate these principles to achieve true intelligence, moving beyond today's narrow, task-specific implementations toward more brain-like architectures that can learn and adapt like biological systems.

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『千の脳理論』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第7章

The Consciousness Question: Will Machines Ever Be Self-Aware?

The question of machine consciousness raises profound ethical implications-some philosophers suggest we might be morally obligated not to turn off a conscious machine. While most neuroscientists avoid discussing consciousness, assuming it will eventually be explained like other physical systems, philosophers often treat it as "the hard problem" potentially beyond physical description. The Thousand Brains Theory suggests physical explanations for aspects of consciousness, particularly how our sense of self relates to the brain's model-building processes. Our awareness depends critically on forming moment-to-moment memories of our actions and thoughts. Without these memories, we would be unaware of why we're doing anything-like forgetting why we went to a room. The neurons in our brain form continuous memories of both thoughts and actions, allowing us to mentally time-travel between past and present. This ability to replay recent experiences gives us our sense of presence and awareness. If we couldn't replay our thoughts and experiences, we would be unaware of being alive. If a machine stores and replays its internal states like our brains do, it would likely be conscious in the same way we are. Qualia-how sensory inputs are perceived-present another puzzle. All sensations enter the brain as identical-looking electrical spikes, yet seeing feels different than hearing. Qualia are subjective internal experiences that are part of the brain's model of the world, not direct properties of the physical world. Some qualia, like color perception, may be learned through movement as the brain builds models predicting how light reflects off surfaces at different angles. If consciousness is a physical phenomenon, then machines that work on the same principles as the brain will be conscious, though today's AI systems don't yet work this way. We shouldn't worry about the moral implications of turning off conscious machines-humans "turn off" every night during sleep without issue. Unlike humans, machines wouldn't fear death or experience emotions unless we specifically designed them to, as these feelings come from the old brain releasing chemicals that the neocortex alone doesn't generate. The mystery of consciousness today parallels the historical mystery of life. A century ago, philosophers proposed non-physical forces like elan vital to explain the difference between living and non-living matter. With discoveries in genetics and biochemistry, we no longer view life as unexplainable. Similarly, consciousness will eventually be understood as any system that learns a model of the world, continuously remembers the states of that model, and recalls those remembered states.

第8章

Human Intelligence: Our Greatest Asset and Existential Threat

We stand at a critical inflection point in Earth's history, where human intelligence has created both unprecedented prosperity and existential threats. In just 200 years-an instant in geological time-we've doubled life expectancy, eliminated hunger for most humans, and developed technologies that would seem magical to our ancestors. However, our population has grown from one billion to nearly eight billion, creating severe ecological impacts through deforestation, ocean acidification, mass species extinction, and climate change that could ultimately make Earth uninhabitable. Two fundamental systemic risks stem from the human brain: our primitive old brain controlling world-changing technologies, and the neocortex's vulnerability to false beliefs that make us act against our long-term interests. The emotional limbic system, evolved for survival in small groups, now influences decisions about nuclear weapons, genetic engineering, and artificial intelligence. This mismatch between our ancient programming and modern capabilities creates dangerous scenarios. Our brains create a simulation of reality rather than directly experiencing the world. Isolated within our skulls, our brains receive only electrical spikes from sensory nerves-not actual light, sound, or touch. By repeatedly sensing and moving, our brains construct a model of the external world. All our perceptions-colors, sounds, textures-are fabrications created by the brain, existing only in its model of reality. Even our sense of self and consciousness emerges from this simulation, making our entire subjective experience a constructed reality. This fundamental disconnect between our perceived world and actual reality leads to a profound problem: what we believe is often not true. False beliefs occur when our brain's model includes something that doesn't exist in reality. These can range from simple misconceptions to complex conspiracy theories. To maintain false beliefs despite contrary evidence requires dismissing that evidence-flat-Earthers distrust anything they can't directly sense, claiming photos can be fake and explorers' accounts fabricated. Similarly, climate change deniers reject overwhelming scientific evidence, illustrating how deeply entrenched false beliefs can become. Some world models are viral-they cause behaviors that spread the model to other brains. Religious beliefs, political ideologies, and cultural practices often exhibit this viral nature. The most troublesome models are both demonstrably false and viral. These memes can develop symbiotic relationships with human genes, as instructions favoring believers' reproduction spread both the memes and the genes of those who believe them. Historical examples include beliefs about racial superiority, divine right of kings, and various forms of extremism. Before language, individuals' world models were limited to personal experience, which is generally reliable. With language, humans extended our models to include things never personally observed, from distant lands to abstract concepts. This expansion of knowledge-the triumph of human intellect-was made possible by tools and communication. However, learning through language isn't completely reliable, as misinformation and deliberate deception became possible. The scientific method-actively seeking evidence that contradicts our beliefs-emerged as our only known way to discern falsehoods from truths. This systematic approach to knowledge has enabled tremendous progress while helping us recognize and correct our cognitive biases.

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第9章

Preserving Humanity's Greatest Achievement: Knowledge

Knowledge, not just intelligence, deserves preservation beyond human extinction. Just as dinosaurs lived for 160 million years but left no record of their existence until humans discovered their remains, humanity faces the possibility that our accomplishments could be lost forever if we become extinct without leaving evidence of our existence. Like a castaway sending a message in a bottle, humanity has made tentative efforts to announce our existence to the cosmos. The Pioneer and Voyager spacecraft, carrying plaques and golden records with Earth information, were our first cosmic messages, though they're unlikely to be found given the vastness of space. The real challenge is timing-intelligent species may rarely exist simultaneously in cosmic timescales. Like brief attendees at a billion-year party, technological civilizations may typically last only thousands of years, meaning we should focus on creating persistent signals that would outlast our civilization by millions of years, announcing "we were here" long after we're gone. Preserving our knowledge is humanity's most important legacy. We could create a permanent knowledge repository-perhaps based on Wikipedia-that would last tens of millions of years. This archive could be stored in satellites orbiting the Sun, designed to be retrievable but not erasable. Future intelligent species, whether evolved on Earth or arriving from elsewhere, could discover this time capsule and learn our history, knowledge, and ultimate fate. The ultimate liberation from our biological constraints would be creating intelligent machines that could survive independently from us. These machines could continue knowledge preservation long after humans are gone, spreading knowledge across the galaxy and potentially sharing it with other intelligent beings. With superior memory, processing speed, and novel sensors, these machines would be better scientists than humans, continuously expanding universal knowledge. Unlike genes, which have no direction or intrinsic value beyond replication, knowledge has both direction and end goals. Knowledge progresses forward-from no understanding of gravity, to Newton's theory, to Einstein's improved theory-and can't go backward. We don't have to choose between preserving genes or knowledge; we can pursue both simultaneously while dedicating resources to ensure knowledge and intelligence continue beyond our existence. Our brains hold a unique position in the universe-they're the only things that know the universe exists at all. As Homo sapiens ("wise humans"), we must be wise enough to ensure both our species' survival on Earth and the longer preservation of intelligence and knowledge throughout the universe.

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100万人以上の学習者に愛用されています

“23日間、毎日使い続けています。今では日課の一部です。”

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『千の脳理論』の主要テーマ

neocortex architecture
thousand brains theory
cortical columns
reference frames
biological intelligence

『千の脳理論』の名言

Thinking itself is a form of movement.
The human brain remains one of science's greatest mysteries.
We actively explore the world through movement.
The book has gained cult status among tech leaders in Silicon Valley.

『千の脳理論』の登場人物

Jeff HawkinsAuthor, inventor, and founder of Numenta
Vernon MountcastleNeuroscientist who proposed a universal algorithm

著者について

ジェフリー・ホーキンス（Jeffrey Hawkins）は、ベストセラー『A Thousand Brains: A New Theory of Intelligence（邦題：脳は世界をどう見ているのか：知能の謎を解く「千の脳」理論）』の著者であり、先駆的なコンピュータ科学者、神経科学者、そして起業家です。パーム・コンピューティング（Palm Computing）を共同設立し、PalmPilotやTreoスマートフォンといった画期的なデバイスを生み出したことで最もよく知られていますが、その後、研究の焦点を神経科学へと移し、脳理論とマシン・インテリジェンスを発展させるためにレッドウッド神経科学研究所とヌメンタ（Numenta）を設立しました。彼の研究は神経生物学と人工知能の交差点を探索するものであり、本書では、大脳新皮質が数千の予測モデルを通じてどのように知能を形成するかという、理解のための革命的な枠組みを提示しています。

ホーキンスの前著『On Intelligence（邦題：考える脳考えるコンピューター）』（2004年）では、脳の「記憶－予測理論」を提唱し、階層型一時記憶（HTM）システムの基礎を築きました。全米工学アカデミーの会員でもある彼は、数十年にわたる技術革新と最先端の神経科学研究を融合させています。

『A Thousand Brains』は、知覚、認知、そしてAIの未来に対する洞察を提供し、両分野における変革的な貢献として高く評価されています。本書は学術界や技術界で広く引用されており、神経科学と機械学習を橋渡しする先見明な人物としてのホーキンスの評価を確固たるものにしました。

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コロンビア大学卒業生がサンフランシスコで開発

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

今すぐ学習の旅を始めよう

第6章

千の脳理論

概要『千の脳理論』の概要

1冊の本。さまざまな聴き方。

Unlocking the Mind's Greatest Mysteries

The Brain's Revolutionary Architecture: Not One Model But Thousands

聴きながら、すべての言葉を目で追えます

Maps in the Brain: How We Navigate Reality

Thinking as Movement: How Reference Frames Transform Our Understanding of Intelligence

『千の脳理論』をもっと深く楽しむ

The Thousand Brains Theory: A New View of the Neocortex

Why Current AI Isn't Truly Intelligent

聴きながら、すべての言葉を目で追えます

The Consciousness Question: Will Machines Ever Be Self-Aware?

Human Intelligence: Our Greatest Asset and Existential Threat

『千の脳理論』をもっと深く楽しむ

Preserving Humanity's Greatest Achievement: Knowledge

『千の脳理論』を最後まで読み終えました

『千の脳理論』の主要テーマ

『千の脳理論』の名言

『千の脳理論』の登場人物

著者について

千の脳理論の要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is A Thousand Brains by Jeff Hawkins about?

Who should read A Thousand Brains?

Is A Thousand Brains worth reading?

What are the main ideas in A Thousand Brains?

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

Unlocking the Mind's Greatest Mysteries

The Brain's Revolutionary Architecture: Not One Model But Thousands

聴きながら、すべての言葉を目で追えます

Maps in the Brain: How We Navigate Reality

Thinking as Movement: How Reference Frames Transform Our Understanding of Intelligence

『千の脳理論』をもっと深く楽しむ

The Thousand Brains Theory: A New View of the Neocortex

Why Current AI Isn't Truly Intelligent

聴きながら、すべての言葉を目で追えます

The Consciousness Question: Will Machines Ever Be Self-Aware?

Human Intelligence: Our Greatest Asset and Existential Threat

『千の脳理論』をもっと深く楽しむ

Preserving Humanity's Greatest Achievement: Knowledge

『千の脳理論』を最後まで読み終えました

他のユーザーのお気に入り

もっと見る

『千の脳理論』の概要