Image of the Day: Rewards and Letdowns

When the brain registers a pleasant reward—say, a cookie—neuronal activity can reflect how well that reward matches up to expectations.

The Scientist Staff
Dec 1, 2016

AAAS, JEREMIAH COHEN

(See N. Eshel, “Trial and error,” Science, doi:10.1126/science.aal2187, 2016.)

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