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Thursday, March 28, 2024

Cooperative Neural Networks Suggest How Intelligence Evolved

Working together can hasten brain evolution, according to a new computer simulation.

When programmed to navigate challenging cooperative tasks, the artificial neural networks set up by scientists to serve as mini-brains "learned" to work together, evolving the virtual equivalent of boosted brainpower over generations. The findings support a long-held theory that social interactions may have triggered brain evolution in human ancestors.

"It is the transition to a cooperative group that can lead to maximum selection for intelligence," said study researcher Luke McNally, a doctoral candidate at Trinity College Dublin. Greater intelligence, in turn, leads to more sophisticated cooperation, McNally told LiveScience. [10 Fun Brain Facts]

It also leads to more sophisticated means of cheating, he added.

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