Scientists have been tickling rats. This is why
Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Puppies tussle in the annual Puppy Bowl. Kids start a game of tag in a schoolyard. Play has been observed and documented in many species — and not just in mammals. However, according to Dr.
Brecht said that play behavior may have developed in animals and humans as a mean of training the brain. “I think it might be more valuable than people think,” he added. Key brain area To learn more about how playing and being tickled affect rats’ brain activity, the researchers devised a series of experiments.
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