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January 31, 2013

Fish Eats Food. Scientists Watch Fish's Thoughts

Ed Yong, Phenomena


AP Photo

A baby fish watches a tasty cell swimming in front of it. Neurons fire in its brain, and it recognises a potential meal. Its eyes converge, it beats its tail, and it heads in for the kill.

Trillions of baby fishes have enacted this little tableau for half a billion years, but this individual is special. It has been altered by a team of Japanese scientists so that its neurons give off a flash of light whenever they fire.

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TAGGED: neuroscience, zebra fish, fish

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