期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 275, 期 1649, 页码 2353-2361出版社
ROYAL SOC
DOI: 10.1098/rspb.2008.0417
关键词
neural pathways; decision making; signal detection theory; sequential probability ratio test; optimal foraging; mammalian brain
资金
- EPSRC
- BBSRC
- Biotechnology and Biological Sciences Research Council [BB/C518949/1] Funding Source: researchfish
Empirical findings suggest that the mammalian brain has two decision-making systems that act at different speeds. We represent the faster system using standard signal detection theory. We represent the slower (but more accurate) cortical system as the integration of sensory evidence over time until a certain level of confidence is reached. We then consider how two such systems should be combined optimally for a range of information linkage mechanisms. We conclude with some performance predictions that will hold if our representation is realistic.
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