Have you ever thought about what a fish thinks? Did you even know a fish had thoughts? You do now. It turns out that first footage ever taken of a thought — yes, a thought! — being formed is from a hungry fish. Researchers at Japan's National Institute of Genetics believe they recorded images of a thought working its way through the brain of a zebrafish as it spotted its prey. This thought, which presumably was something like, "I am hungry and I see food," was captured by a fancy new tool: "a super-sensitive fluorescent probe that detects neuron activity, causing neurons to light up when they’re activated." Impressed? [Source]
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