Susan Schneider is a philosopher of science and the 2019-20 Baruch Blumberg NASA/Library of Congress Chair in Astrobiology. (She is an associate professor of philosophy and director of the AI, Mind, and Society Group at the University of Connecticut.) She’s studyingthe nature of self and mind, especially from the vantage point of issues in philosophy of mind, artificial intelligence, astrobiology, metaphysics and cognitive science.I’ve recently read a couple of interviews with her, which were fascinating. I’ll review them here.
In an interview with Dan Turello, staffer with the Kluge Center of the Library of Congress, she provided her definition of consciousness: “the felt quality of experience.”
“Science is still uncovering the neural basis of experience,” she said. “But even when we have the full neuroscientific picture of how the brain works, many philosophers believe there will still be a puzzle, which they call the ‘hard problem of consciousness.’ It is the following: Why do we need to be conscious? That is, the brain is an information processing system, so why does it need to feel like anything, from the inside, when we process certain information? If you think about the fact that the world is comprised of fundamental particles in certain configurations, it is bizarre to think that when these particles organize in certain, highly complex ways, (as with brains), a felt quality arises. This is astonishing.”
(Indeed, it is.)
As to creating human-like intelligence, she’s skeptical. “We don’t know enough about the brain to reverse engineer it, for one thing,” she noted. That said, “Even today’s AIs can be programmed to state they are conscious and feel emotion. So we need to devise tests that can be used at the R&D stage – before the programmed responses to such questions happens…even if AI becomes ‘superintelligent,’ surpassing us intellectually in every domain, we may still be unique in a crucial dimension. It feels like something to be us.”
In a recent interview with Mac Observer, Schneider observed that the human mind is not like a computer program. “A program is akin to an equation.” But human beings are concrete beings in space and time, and our thoughts change things. “We know so little about consciousness in humans,” she said. “The nature of consciousness is…one of the fundamental mysteries of the world, the universe…. I’m not sure we’re going to have an answer” to the question, what is consciousness, “any time soon.”
As to speculations about the development of human-like artificial intelligence, “It’s possible that human consciousness may not be replicable in silica,” she said. “We just don’t know” whether entities other than biological creatures can have consciousness, or not. And also, most of human brain activity is “non-conscious computation,” she noted, so why would artificial intelligence systems require consciousness at all?
As to the idea of “post-biological intelligence” – that is, non-corporeal intelligent life – Schneider said she’s surprised by how accepted this idea is in the astrobiology community. (I’m with her. It seems far-fetched.)
Could AI be implanted in human brains, as some people suggest? First, we don’t know if it would be possible, she said. Second, if possible, “it could be super-wonderful or super-dystopian,” depending on how the technology would be regulated. At the same time, “government control of AI technology can also be scary…. That’s why it’s so important that we have a public dialogue” about this emerging technology.
Schneider has a new book out, Artificial You – AI And The Future Of Your Mind. Check it out.