All in the Mind 10th Anniversary Special 7: The Marco Polo of Neuroscience - V.S Ramachandran
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What does the “Marco Polo of neuroscience” metaphor reveal about modern brain research?
Natasha Mitchell joining you for All in the Mind with the final in our tenth birthday celebrations. And in our tenth year, we're also trying something new, always good to do. Next week, Mind Meets Body. And we're swapping with a new series from Amanda Smith called The Body Sphere, which will be in a new slot of Sundays at five and still on Mondays at one. And then All in the Mind will return as a season as well from April. In the same slot, presented by Lynn Malcolm. I'm heading off to present Life Matters for a Change for podcast fans. Join me over there. Lots of crossover themes with all in the mind you'll be pleased to hear. And all podcasts too. It's been a real delight to start this show on ABC Radio National back in two thousand and two.
Not the least because I got to interview folk like today's guest. Acclaimed neuroscientist Professor Villinor Ramachandran from the University of California, San Diego. Joined me on the show back in two thousand and five. Richard Dawkins has described him as a Latter day Marco Polo journeying the silk road of science to strange and exotic cafes of the mind. And so I started by asking Ramachandran if that's what doing brain research feels like at the turn of the twenty first century.
It does indeed. I mean, I always tell some of my colleagues it's great fun because it's like being in Victorian England, where you're still discovering the lay of the land. And imagine all of these uh scholars bringing exotic animals like giraffes back from distant lands to to London and people gawking at them, uh, and Michael Faraday taking a little piece of magnet moving to and fro in a coil and generating an electric current. current, thereby linking two completely different seemingly unrelated uh fields, electricity and magnetism. So people who are just doing tinkering and having a lot of fun, but discovering amazing things. And I think neuroscience, especially cognitive neuroscience, is at that stage now.
It's at the Faraday stage, which is the most exciting stage in the history of any science.
But look, I've been interested to read uh one of your compatriots, neuroscientist Stephen Rose's uh new book called The Twenty First Century Brain and and in Yes,
I heard it's very good and I in fact they sent it to me to blurb, but I was doing something.
Too busy. Look, he charts what is really the extraordinary momentum that the brain sciences have gathered over the last twenty years. But look, he's worried too, because he he has a sense that neuroscience is trying to create a theory of everything that it simply isn't qualified to offer. You know, he's worried about reductionist explanations of human nature. Do you share his concern?
There are two problems which are sometimes confounded. One is if you reduce everything to neurons, like falling in love or ambition, or pride, or joy, or the self, my God, does that mean there's no love? And that's a fallacy because, you know, explaining something doesn't mean you explain it away. So for example, if if s you're making supposing two people are making love and a a and a crazy scientist comes along and says, Look, this is just uh neurons in the septum, neurons in the hypothalamic nuclei, these are all the neurons that are firing away, that's all there is to it. And then the the the lover turns to his girlfriend and says, You mean that's it? It's just chemicals, it's neurons firing away, you're not really in love.
She could then argue, no, on the contrary, this proves it's all real. That I'm not faking it. Look, look at the pattern of activity, it shows it's real. Just to emphasize that when you explain something in terms of component parts, you enrich your understanding of it. You certainly don't diminish from the experience or detract from the experience. That fear is not justified. The other deeper fear. Which I think may be justified is the a time will surely come, say five hundred years from now, maybe earlier. Than when you can create the brain in the vat scenario that philosophers often talk about. I can take your brain before it starts degenerating, before you die, before you become old, put it in a vat uh with a culture medium, supply oxygen, stimulate all the right patterns of neural activity so you can be whoever you want to be.
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Chapters
8 chapters
1
What does the “Marco Polo of neuroscience” metaphor reveal about modern brain research?
0:00–4:13
2
How does Ramachandran address the fear of reducing love and emotion to neurons?
4:13–7:58
3
What is the “brain‑in‑a‑vat” thought experiment and why might it matter for future neuroscience?
7:58–10:55
4
How do bower‑bird courtship displays illustrate universal aesthetic principles?
10:55–14:40
5
What is the “peak‑shift” effect and how does it explain why abstract art captivates us?
14:40–19:19
6
How does synesthesia provide insight into the brain’s capacity for metaphor and creativity?
19:19–23:02
7
Why is the left angular gyrus critical for understanding figurative language and metaphors?
23:02–26:30
8
What are the key take‑aways about the link between neuroscience, art, and the future of the mind‑body dialogue?
26:30–29:27