The guest
David Chalmers: Philosopher and cognitive scientist at NYU specializing in philosophy of mind and consciousness, best known for formulating the 'hard problem of consciousness.'
What this episode covers
Lex Fridman talks with philosopher David Chalmers about the deepest puzzles of the mind. They open with simulation theory, where Chalmers argues that even if we live in a simulation, our reality is still real. The bulk of the conversation centers on the hard problem of consciousness, why subjective experience exists at all, and Chalmers' openness to panpsychism, the view that consciousness is a fundamental feature of reality. They also discuss AI consciousness, zombies, moral status of machines, free will, cloning, and illusionism. Chalmers closes by saying he would choose immortality and hopes for an infinitely rich, unpredictable future.
Also referenced (named, not recommended)
MediaReferenced
The Hitchhiker's Guide to the Galaxy
Douglas Adams
“we may be in level 42. Oh, yeah. along those stacks referencing Hitchhiker's Guide to the Universe.”— Lex Fridman
MediaReferenced
Here, There and Everywhere
The Beatles
“There was a here, there, and everywhere by the Beatles was bright red and has this, you know, very distinctive tonality”— David Chalmers
MediaReferenced
Ammonia Avenue
The Alan Parsons Project
“There was this song by the Alan Parson's project called Ammonia Avenue that was uh that was kind of a pure a pure blue.”— David Chalmers
BookReferencedISBN verified
The Feeling of Life Itself: Why Consciousness Is Widespread but Can't Be Computed
Christof Koch
“I just got this new book by Kristoff Cook just came in the feeling of life itself why consciousness is widespread but can't be computed.”— David Chalmers
BookReferencedISBN verified
Mind and Cosmos
Thomas Nagel
“my colleague here at NYU Tom Nagel wrote a book called mind and cosmos a few years ago where he argued for this teological view of evolution toward consciousness”— David Chalmers
ProductReferenced
Roomba
iRobot
“I could understand that a Roomba has consciousness. I just had spent all day at iRobot.”— Lex Fridman
ProductReferenced
Oculus Rift
Oculus
“even though I have Oculus Rift and Oculus Quest and HTC Vive and Samsung this and that want to stay in that world”— David Chalmers
ProductReferenced
Oculus Quest
Oculus
“even though I have Oculus Rift and Oculus Quest and HTC Vive and Samsung this and that want to stay in that world”— David Chalmers
ProductReferenced
HTC Vive
HTC
“even though I have Oculus Rift and Oculus Quest and HTC Vive and Samsung this and that want to stay in that world”— David Chalmers
MediaReferenced
Her
Spike Jonze
“you move to like the the disembodied being in the moving in the movie her Samantha. I guess she was kind of presented as conscious”— David Chalmers
MediaReferenced
Star Trek
Gene Roddenberry
“in a movie like Star Trek where they have a telelet transporter, it basically creates clones all the time, they treat the clones as if they're the original person.”— David Chalmers
MediaReferenced
The Matrix
The Wachowskis
“It's like those machines in the matrix. They thought they were deceiving you that all this stuff is real.”— David Chalmers
Big reveals from this episode
- Chalmers argues that even if we are in a simulation, the world is still fully real, just a different version he calls 'reality 2.0.'
- He claims humans are 'somewhere very near the bottom' of the scale of possible intelligent beings.
- Chalmers reveals he had childhood synesthesia where songs had colors, which faded away around age 20.
- He lays out cosmopsychism: a Newtonian universe as countless tiny conscious subjects, or the whole quantum wave function as one cosmic mind.
- He argues consciousness is the source of all meaning and value in the universe; without it, nothing would be better or worse.
- Chalmers admits illusionism (that consciousness itself is an illusion) is attractive and powerful but he finds it ultimately implausible.
- He raises the 'zombie apocalypse': superintelligent AI taking over with no consciousness, which he calls a moral disaster.
- Chalmers says he would absolutely choose to upload his mind and become immortal.
Worth remembering
- If we are at simulation 'level 42,' the top level zero must be enormous, likely infinite with a very high cardinality.
- Chalmers' working hypothesis is that consciousness comes from patterns of information processing (software), not specific biology (hardware).
- He frames newborn babies as a case where we literally watch consciousness get engineered into existence.
- Anesthetics were once withheld from newborns being circumcised because some believed babies couldn't feel pain.
- Christof Koch's integrated information theory leads to a panpsychist view where even a couple of particles have some consciousness.
- Chalmers poses a 'zombie trolley problem': kill one conscious being or five non-conscious humanoid robots.
- He argues that a system being genuinely puzzled about its own consciousness is good evidence that it is conscious.
- Chalmers predicts a civil rights movement for robots once they ask us not to hurt them.
- He wrote about the 'meta-problem': explaining why we are puzzled by the hard problem in the first place.
- His optimistic vision of immortality is climbing the set-theoretic hierarchy, an infinitely creative and unpredictable future.
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