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How living systems compute solutions to problems | E.R. Brush el al.

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A pigtail macaque shows its 'game face.' Credit: A.J. HaverkampA pigtail macaque shows its 'game face.' Credit: A.J. Haverkamp

Jan. 17, 2018 (Phys.org) -- How do decisions get made in the natural world? One possibility is that the individuals or components in biological systems collectively compute solutions to challenges they face in their environments.

Consider that fish navigate complex environments to find food and escape predators. Some fish do this by moving together as a unit, sometimes forming incredibly organized schools. The members of a beehive are collectively able to determine which of two nest sites is better. Humans are able to make accurate, coherent decisions even though the process underlying those decisions may involve billions of neurons, each with its own opinion.

There are no leaders in these groups and different individuals have different preferences about where to go or what to do. No individual fish or bee or neuron has enough information by itself, but together they can accomplish amazing things. How is this possible?

In research recently published in Science Advances, researchers Eleanor Brush (University of Maryland) with David Krakauer and Jessica Flack of the Santa Fe Institute addressed this question by studying the emergence of social structure in primate social groups.

READ MORE: Phys.org

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    Wednesday, January 17 2018
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    Thursday, January 18 2018
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