Context-sensitive valuation and learning.
Context-sensitive valuation and learning.
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DOI:
10.1016/j.cobeha.2021.05.001
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发表时间:
2021-10
影响因子:
5
通讯作者:
Daw ND
中科院分区:
文献类型:
--
作者:
Hunter LE;Daw ND
A variety of behavioral and neural phenomena suggest that organisms evaluate outcomes not on an absolute utility scale, but relative to some dynamic and context-sensitive reference or scale. Sometimes, as in foraging tasks, this results in sensible choices; in other situations, like choosing between options learned in different contexts, irrational choices can result. We argue that what unites and demystifies these various phenomena is that the brain’s goal is not assessing utility as an end in itself, but rather comparing different options to choose the better one. In the presence of uncertainty, noise, or costly computation, adjusting options to the context can produce more accurate choices.
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