Moran, R;
Tsetsos, K;
(2018)
The standard Bayesian model is normatively invalid for biological brains.
Behavioral and Brain Sciences
, 41
, Article e237. 10.1017/S0140525X18001449.
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Abstract
We show that the benchmark Bayesian framework that Rahnev & Denison (R&D) used to assess optimality is actually suboptimal under realistic assumptions about how noise corrupts decision making in biological brains. This model is therefore invalid qua normative standard. We advise against generally forsaking optimality and argue that a biologically constrained definition of optimality could serve as an important driver for scientific progress.
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