Rats and Humans Can Optimally Accumulate Evidence for Decision-Making

@article{Brunton2013RatsAH,
  title={Rats and Humans Can Optimally Accumulate Evidence for Decision-Making},
  author={B. Brunton and M. Botvinick and C. Brody},
  journal={Science},
  year={2013},
  volume={340},
  pages={95 - 98}
}
The gradual and noisy accumulation of evidence is a fundamental component of decision-making, with noise playing a key role as the source of variability and errors. [...] Key Method This analysis allowed measurement of the magnitude of noise in the accumulator's memory, separately from noise associated with incoming sensory evidence. In our tasks, the accumulator's memory was noiseless, for both rats and humans. In contrast, the addition of new sensory evidence was the primary source of variability. We suggest…Expand
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