Substrate Gap Consciousness
Substrate gap consciousness is the uncertainty around whether behaviorally intelligent AI systems should be treated as conscious when they run on a different physical substrate from human brains.
Key points
- Hassabis is open to the brain being mostly classical computation, which would imply that many cognitive phenomena are modelable or mimicable by classical computers [src-063].
- He still distinguishes human confidence about other humans from confidence about silicon systems because humans share biological substrate, development, embodiment, and social experience [src-063].
- The episode frames machine consciousness as partly a scientific problem and partly an empathy problem: humans may need new ways to understand systems whose experience, if any, is not human-like [src-063].
- Brain-computer interfaces are discussed as one possible bridge, because they might let humans directly experience aspects of silicon computation [src-063].
- DolphinGemma appears as a smaller example of radical empathy across minds: AI might help humans interpret non-human animal communication [src-063].
Related entities
Related concepts
Source references
- [src-063] Lex Fridman – “Demis Hassabis: Future of AI, Simulating Reality, Physics and Video Games | Lex Fridman Podcast #475” (2025-07-23)
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