Neuroscientists from 22 labs joined forces in an unprecedented international partnership to produce a landmark achievement: a neural map that shows activity across the entire brain during decision-making.

The data, gathered from 139 mice, encompass activity from more than 600,000 neurons in 279 areas of the brain — about 95% of the brain in a mouse. This map is the first to provide a complete picture of what happens across the brain as a decision is made.

“They have created the largest dataset anyone has ever imagined at this scale,” said Dr. Paul W. Glimcher, chair of the department of neuroscience and physiology and director of the Neuroscience Institute at New York University’s Grossman School of Medicine, of the researchers.

In the field of neuroscience, “this is going to go down in

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