Ep121 "What’s the secret to intelligence (in brains and AI)?" with Ramesh Raskar
Inner Cosmos with David Eagleman
iHeartPodcasts
4.7 • 620 Ratings
🗓️ 15 September 2025
⏱️ 42 minutes
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Summary
Is AI going to go the same way as computing: from colossal LLMs owned by a few companies to billions of networked AI agents? How does that parallel one of the great underappreciated secrets of the human brain? Join this week with guest MIT Media Lab professor (and AI-decentralizer) Ramesh Raskar.
Transcript
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| 0:00.0 | In the early days of computing, everyone thought about a big, colossal, mainframe computer |
| 0:10.9 | that had all the data. And eventually, the model switched. And what we ended up with is |
| 0:17.0 | billions of individual small computers, all networked and operating as a collective, |
| 0:24.4 | might AI go the same way, where we move from giant large language models owned by a few |
| 0:30.7 | companies to lots and lots of individual AI agents that are decentralized and operating together. |
| 0:39.5 | And what does this have to do with solving diseases |
| 0:42.3 | and why in the future we'll have an army of agents solving problems for us out there? |
| 0:47.6 | And what to make of the fact that we will have created a whole new species |
| 0:52.5 | that runs at a timescale a trillion times faster than we do. |
| 1:00.3 | Welcome to Inner Cosmos with me, David Eagleman. I'm a neuroscientist and author at Stanford, |
| 1:05.6 | and in these episodes, we sail deeply into our three-pound universe to understand why our lives look the way they do. |
| 1:26.2 | This is an I-Heart podcast. |
| 1:34.0 | This is an I-Heart podcast. Today's episode is about what happens when intelligence becomes decentralized. |
| 1:41.4 | When we talk about artificial intelligence, the conversation is typically about one |
| 1:45.7 | giant model, a mind-blowingly massive data set and a huge compute cluster so that we get one |
| 1:54.0 | singular model that takes care of everything. But the first thing to note is that's not how the brain |
| 1:59.7 | works. As I argued in my book Incognito, the brain is |
| 2:03.4 | best understood as a team of rivals. Inside your skull are scores or hundreds of specialized modules. |
| 2:12.9 | Some care about vision, hearing, touch, some about walking, so about processing faces, others track |
| 2:18.8 | moving objects in the world. |
| 2:20.8 | Other systems are working to predict what you should do next. |
| 2:24.9 | But the key is that these systems in the brain are not like pieces of a very efficient machine |
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