Why does the whole brain light up for just the smallest movements?

Thinking on the Go: Why Does the Whole Brain Light Up for Just the Smallest Movements? on Simons Foundation

By Liam Drew November 26, 2019 As I sit here trying to decide how to begin this story, knowing how important a good first sentence is, I’m pressing my right index finger to my pursed lips, rubbing the stubble below my mouth, gently tapping the nape of my neck, and rhythmically stroking my nose. Suffice it to say: When I think, I fidget. These movements are top of mind because of new research that suggests fidgeting might be much more than simple restlessness. Anne Churchland and her colleagues at Cold Spring Harbor Laboratory have shown that fidgeting — in mice, at least — activates not just t

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