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SlideshowReport

Expected and Unexpected Reinforcers

Description
The functional MRI scans show the effects of expected and unexpected reinforcers (sips of fruit juice) on activity of the nucleus accumbens (arrows) in humans. (From Berns, G. S., McClure, S. M., Pagnoni, G., and Montague, P. R. Journal of Neuroscience, 2001, 21, 2793–2798. Reprinted with permission.)
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