Joscha Bach — Cognitive scientist and AI researcher known for his work on artificial general intelligence, computational models of the mind, and theories of consciousness. A widely-followed thinker on intelligence, cognition, and the nature of reality.
The gist
In his second appearance on the podcast, Joscha Bach explores consciousness as a control model for attention, framing the self as a story the brain tells itself to inform behavior. He argues we live inside a 'dream world' game engine generated by our brains rather than in physical reality, and that consciousness exists only inside this simulation. The conversation ranges across free will, life and agency, infinity in mathematics, psychedelics as data augmentation, GPT-3 and the future of language models, AI ethics and automation, and the dangers of postmodernism as ideology. It closes on love as the discovery of shared purpose, the line between good and evil, and a meditation on meaning, integrity, and the meaning of life.
Big reveals
- Bach reframes depression by reminding himself he is 'not a person' but software running on a random ape's brain.
- Bach insists free will is not an illusion but a 'model'—a story the system tells itself about being in control.
- He defines suffering as a chronic, escalating pain signal that cannot be resolved, and the trigger for higher consciousness.
- Bach shares his fear that insects could be conscious, making the amount of suffering on Earth unthinkable.
- He claims heavy psychedelic users tend toward 'overfitting'—models richly detailed about the past but no longer predictive.
- Bach warns that German fascism was driven by love—'just a very selective love.'
- He names Miyazaki 'the most relevant protestant philosopher today.'
- On the meaning of life, Bach concludes nothing makes sense unless the mind projects a purpose onto it.
Things worth remembering
- Bach describes consciousness as a monkey riding an elephant—the attentional system steering a vast perceptual-motivational system.
- He proposes the simplest definition: 'life is cells,' a modular DNA read-write principle maintaining disequilibrium.
- He distinguishes res extensa and res cogitans as both being mental representations inside a brain-generated game engine.
- Bach says waves crashing on your feet aren't real—there are only water molecules; the wave is data compression.
- He argues no real Turing machine can exist because it requires an infinite tape; we always have finite tape.
- Consciousness is described as the 'index in the memory database' of what attention was paid to.
- Bach notes anecdotally that a single LSD dose has cured severe migraines by resetting the serotonergic system.
- He explains the transformer was invented in NLP, not vision, because language topology is non-local.
- He cites the US healthcare system as the leading cause of personal bankruptcy and partly an administrative job program.
- Bach notes the out-of-Africa bottleneck left humans with less genetic diversity than neighboring Kalahari tribes.
Recommended in this episode
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Princess Mononoke
Hayao Miyazaki
“when i watch the miyazaki movies that there is nobody who captures my spirituality as well as he does” — Joscha Bach 02:33:00Find it on Amazon