期刊
NATURE REVIEWS NEUROSCIENCE
卷 17, 期 3, 页码 183-195出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/nrn.2015.26
关键词
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资金
- Wellcome Trust [058365, 093270, 095495]
- European Research Council (ERC Advanced Grant) [293549]
- US National Institutes of Health Caltech Conte Center [P50MH094258]
- European Research Council (ERC) [293549] Funding Source: European Research Council (ERC)
Environmental stimuli and objects, including rewards, are often processed sequentially in the brain. Recent work suggests that the phasic dopamine reward prediction-error response follows a similar sequential pattern. An initial brief, unselective and highly sensitive increase in activity unspecifically detects a wide range of environmental stimuli, then quickly evolves into the main response component, which reflects subjective reward value and utility. This temporal evolution allows the dopamine reward prediction-error signal to optimally combine speed and accuracy.
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