期刊
YEAR IN COGNITIVE NEUROSCIENCE
卷 1251, 期 -, 页码 13-32出版社
BLACKWELL SCIENCE PUBL
DOI: 10.1111/j.1749-6632.2012.06496.x
关键词
decision making; context dependence; reward; efficient coding; neuroeconomics
类别
资金
- NATIONAL EYE INSTITUTE [R01EY010536] Funding Source: NIH RePORTER
To survive in a dynamic environment, an organism must be able to effectively learn, store, and recall the expected benefits and costs of potential actions. The nature of the valuation and decision processes is thus of fundamental interest to researchers at the intersection of psychology, neuroscience, and economics. Although normative theories of choice have outlined the theoretical structure of these valuations, recent experiments have begun to reveal how value is instantiated in the activity of neurons and neural circuits. Here, we review the various forms of value coding that have been observed in different brain systems and examine the implications of these value representations for both neural circuits and behavior. In particular, we focus on emerging evidence that value coding in a number of brain areas is context dependent, varying as a function of both the current choice set and previously experienced values. Similar contextual modulation occurs widely in the sensory system, and efficient coding principles derived in the sensory domain suggest a new framework for understanding the neural coding of value.
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