THINK ABOUT IT

The video is primarily based on the books and interviews of inventor and computer scientist Ray Kurzweil, especially his book "How to Create a Mind: The Secret of Human Thought." Some futuristic visualizations are taken from the Melodysheep channel. I recommend subscribing and watching their videos:    / @melodysheep   What's in the video: 00:00 — A digital fly: a complete connectome inside a simulation 02:27 — Live neurons in a Petri dish play Pong and Doom 05:07 — Why digitize the brain: medicine, algorithms, mind load, and digital immortality 06:36 — From fly to human: the exponential growth of computing 10:00 — Thought experiment: Lyell, Darwin, and the power of Einstein's imagination 15:58 — Image hierarchy and recursion: the Russian doll principle inside the head 17:41 — The neocortex: 2.5 mm thick, 80% of the brain's mass, and 300 million recognition modules 25:45 — Four invariance tricks 28:40 — Learning from birth. Brain Efficiency 32:25 — Is the mind the goal of evolution? 40:20 — Emotions and spindle neurons: the biochemistry of love and Mozart's genius 43:30 — Creativity as a search for metaphors: why great advances are born at the intersection of disciplines 46:43 — A digital cortex in the cloud: overcoming the limits of the skull and backing up personality 52:34 — The perceptron, hidden Markov models, and genetic algorithms 01:00:14 — Watson's supercomputer won on Jeopardy! 01:04:12 — Neuralink and Noland Arbaugh: Playing Chess with the Mind and the Problem of Scar Tissue 01:07:25 — The Hard Problem of Consciousness, the Philosophical Zombie, and Qualia 01:14:33 — The Split Brain: Two Consciousnesses in One Head 01:18:30 — Libet's Experiment and the "Freedom Not to Want" 01:22:21 — Digital Double vs. Gradual Replacement: Personality as a River Summary: A fly that was never born appeared in the world. Scientists mapped every neuron and every synapse of a fruit fly, created its complete digital copy—its connectome—and placed it inside a simulation. And the fly began to behave like a real one, without training or databases, with 91% accuracy. At the same time, another team grew 800,000 live human neurons on a silicon chip and taught them to play Pong in five minutes, and then Doom as well. Two different paths toward the mystery of the mind: one focused solely on structure; the other, solely on biology. And in both cases, complex behavior, adaptation, and something akin to volition emerged. We are approaching the possibility of creating an artificial digital cortex in the cloud, without the limitations of the skull: with billions of modules, much faster thinking, and backups of ourselves. Artificial intelligence reached deep neural networks with layers of abstraction independently of biology, but it found the same idea: a hierarchy that ranges from simple to complex. That is convergence. But what is consciousness? David Chalmers formulated the "hard problem": why is information processing accompanied by an internal experience? This is where the "philosophical zombie" and qualia appear: that redness of red that cannot be fully described. Libet's experiment showed that the brain makes a decision before we are consciously aware of it. Perhaps we don't have "free will," but rather a "freedom of veto": the right to say "no." Split-brain patients demonstrate that two consciousnesses can coexist in a single head, each inventing explanations to justify its own actions. If we digitize the entire brain, we will obtain a double, but "you" will remain in your body. On the other hand, if we gradually replace the brain with chips, consciousness might not be interrupted. Personality is not atoms, but a stable form of information. It's like a river: the water changes, but the course remains the same. And if consciousness doesn't depend on a specific substrate, that river could also flow through silicon. Music: Epidemic Sound Video by: Sascha Shu Voiceover: Angel Nacar You can support the release of new videos on Patreon: ✨   / homodeuses   Thank you! ❤️ Friends, our goal is to spread knowledge and technology. We're not standing still: in addition to the Homo Deus YouTube channels, we also develop other projects. Check them out if these topics interest you: https://homo-deus.com/lab/ — Interactive simulations to understand the Universe, consciousness, and technology https://cuantomecuesta.com/ — Cost calculators and estimates https://cotizadorhipotecario.mx/ — Mortgage calculators for Mexico