Idiosyncratic choice bias naturally emerges from intrinsic stochasticity in neuronal dynamics.

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ID: 34610
2019
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Abstract
Idiosyncratic tendency to choose one alternative over others in the absence of an identified reason is a common observation in two-alternative forced-choice experiments. Here we quantify idiosyncratic choice biases in a perceptual discrimination task and a motor task. We report substantial and significant biases in both cases that cannot be accounted for by the experimental context. Then, we present theoretical evidence that even in an idealized experiment, in which the settings are symmetric, idiosyncratic choice bias is expected to emerge from the dynamics of competing neuronal networks. We thus argue that idiosyncratic choice bias reflects the microscopic dynamics of choice and therefore is virtually inevitable in any comparison or decision task.
Reference Key
lebovich2019idiosyncraticnature Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lebovich, Lior;Darshan, Ran;Lavi, Yoni;Hansel, David;Loewenstein, Yonatan;
Journal Nature human behaviour
Year 2019
DOI
10.1038/s41562-019-0682-7
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Keywords Keywords not found

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