Posted on Oct 15, 2022
Brain cells in a lab dish learn to play Pong — and offer a window onto intelligence
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https://www.npr.org/sections/health-shots/2022/10/14/ [login to see] /brain-cells-neurons-learn-video-game-pong
A dish of living brain cells has learned to play the 1970s arcade game Pong.
About 800,000 cells linked to a computer gradually learned to sense the position of the game's electronic ball and control a virtual paddle, a team reports in the journal Neuron.
The novel achievement is part of an effort to understand how the brain learns, and how to make computers more intelligent.
"We've made huge strides with silicon computing, but they're still rigid and inflexible," says Brett Kagan, an author of the study and chief scientific officer at Cortical Labs in Melbourne, Australia. "That's something we don't see with biology."
For example, both computers and people can learn to make a cup of tea, Kagan says. But people are able to generalize what they've learned in a way a computer can't.
"You might have never been to someone else's house, but with a bit of rummaging and searching you can probably make a decent cup of tea as long as I've got the ingredients," he says. But even a very powerful computer would struggle to carry out that task in an unfamiliar environment.
A dish of living brain cells has learned to play the 1970s arcade game Pong.
About 800,000 cells linked to a computer gradually learned to sense the position of the game's electronic ball and control a virtual paddle, a team reports in the journal Neuron.
The novel achievement is part of an effort to understand how the brain learns, and how to make computers more intelligent.
"We've made huge strides with silicon computing, but they're still rigid and inflexible," says Brett Kagan, an author of the study and chief scientific officer at Cortical Labs in Melbourne, Australia. "That's something we don't see with biology."
For example, both computers and people can learn to make a cup of tea, Kagan says. But people are able to generalize what they've learned in a way a computer can't.
"You might have never been to someone else's house, but with a bit of rummaging and searching you can probably make a decent cup of tea as long as I've got the ingredients," he says. But even a very powerful computer would struggle to carry out that task in an unfamiliar environment.
Brain cells in a lab dish learn to play Pong — and offer a window onto intelligence
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Posted 2 y ago
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And the level of play was remarkable, considering that each network contained fewer cells than the brain of a cockroach, Kagan says. "If you could see a cockroach playing a game of Pong and it was able to hit the ball twice as often as it was missing it, you would be pretty impressed with that cockroach," he says.
If you replace the word 'cockroach' with 'politician', then I think you might be onto something here.
If you replace the word 'cockroach' with 'politician', then I think you might be onto something here.
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