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Nat Neurosci. 2010 Oct;13(10):1292-8. doi: 10.1038/nn.2635. Epub 2010 Sep 12.

Visual fixations and the computation and comparison of value in simple choice.

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1
Division of Humanities and Social Sciences, California Institute of Technology, Pasadena, California, USA.

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  • Nat Neurosci. 2011 Sep;14(9):1217.

Abstract

Most organisms facing a choice between multiple stimuli will look repeatedly at them, presumably implementing a comparison process between the items' values. Little is known about the nature of the comparison process in value-based decision-making or about the role of visual fixations in this process. We created a computational model of value-based binary choice in which fixations guide the comparison process and tested it on humans using eye-tracking. We found that the model can quantitatively explain complex relationships between fixation patterns and choices, as well as several fixation-driven decision biases.

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PMID:
20835253
DOI:
10.1038/nn.2635
[Indexed for MEDLINE]

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