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This Is the First Time Scientists Have Seen Decisionmaking in a Brain

Twelve laboratories around the world have joined forces to map neuronal activity in a mouse’s brain as it makes decisions.

Thanks to the image obtained, the researchers were able to confirm an already theorized architecture of thought: that there is no single region exclusively in charge of decisionmaking and instead it is a coordinated process among multiple brain areas. To illuminate all the regions involved in this decisionmaking process, the team trained mice to turn a small steering wheel to move circles on a screen. The value of this data lies in the fact that the neural pathway of decisionmaking is now clearer, which will allow scientists to better understand complex thinking abilities and perform more advanced analyses.

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