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http://hdl.handle.net/10397/88063
Title: | Consistent patterns of distractor effects during - decision making | Authors: | Chau, BKH Law, CK Lopez-Persem, A Klein-Flugge, MC Rushworth, MFS |
Issue Date: | 6-Jul-2020 | Source: | eLife, 6 July 2020, v. 9, e53850, p. 1-36 | Abstract: | The value of a third potential option or distractor can alter the way in which decisions are made between two other options. Two hypotheses have received empirical support: that a high value distractor improves the accuracy with which decisions between two other options are made and that it impairs accuracy. Recently, however, it has been argued that neither observation is replicable. Inspired by neuroimaging data showing that high value distractors have different impacts on prefrontal and parietal regions, we designed a dual route decision-making model that mimics the neural signals of these regions. Here we show in the dual route model and empirical data that both enhancement and impairment effects are robust phenomena but predominate in different parts of the decision space defined by the options' and the distractor's values. However, beyond these constraints, both effects co-exist under similar conditions. Moreover, both effects are robust and observable in six experiments. | Publisher: | eLife Sciences Publications | Journal: | eLife | EISSN: | 2050-084X | DOI: | 10.7554/eLife.53850 | Rights: | Copyright Chau et al. This article is distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use and redistribution provided that the original author and source are credited. The following publication Chau, B. K. H., Law, C. K., Lopez-Persem, A., Klein-Flugge, M. C., & Rushworth, M. F. S. (2020). Consistent patterns of distractor effects during - decision making. Elife, 9, 1-36 is available at https://dx.doi.org/10.7554/eLife.53850 |
Appears in Collections: | Journal/Magazine Article |
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Chau_Consistent_Patterns_Distractor.pdf | 3.97 MB | Adobe PDF | View/Open |
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