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NOISYDECISIONS SIGNED

Neural decisions under uncertainty

Total Cost €

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EC-Contrib. €

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Partnership

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Project "NOISYDECISIONS" data sheet

The following table provides information about the project.

Coordinator
STICHTING KATHOLIEKE UNIVERSITEIT 

Organization address
address: GEERT GROOTEPLEIN NOORD 9
city: NIJMEGEN
postcode: 6525 EZ
website: www.radboudumc.nl

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Netherlands [NL]
 Project website http://www.jeheelab.org
 Total cost 1˙500˙000 €
 EC max contribution 1˙500˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-STG
 Funding Scheme ERC-STG
 Starting year 2016
 Duration (year-month-day) from 2016-12-01   to  2021-11-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    STICHTING KATHOLIEKE UNIVERSITEIT NL (NIJMEGEN) coordinator 1˙500˙000.00

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 Project objective

Virtually anything we sense, think and do is uncertain. For instance, when driving a car, you often need to determine how close you are to the car in front of you. It is near impossible to estimate this distance with absolute certainty – but it is possible to guess and even to estimate the uncertainty associated with that guess. Accordingly, we reduce speed when driving at night, because we realize perceived distance is more uncertain in the dark than on a sunny, clear day. How do we infer that visual information is less reliable at night? How does the brain represent knowledge of sensory uncertainty? How do we decide to reduce speed? The overall aim of this proposal is to investigate the neural basis of perceptual decision-making under uncertainty. I will concentrate on three major research questions. First, I aim to establish the degree to which sensory uncertainty is represented in human visual cortex. Second, I will examine whether observers are aware of this uncertainty when making decisions. Third, I will investigate the sources of noise that cause the uncertainty in our perceptual decisions. I will address these questions using functional magnetic resonance imaging (fMRI), in combination with a novel analytical method to analyzing fMRI data that I recently developed. This novel approach allows me to characterize, on a trial-by-trial basis, the uncertainty in cortical stimulus representations, and to address unresolved issues regarding the neural mechanisms of human perceptual decision-making. The results from this project will provide important new insights into the neural basis of perceptual decisions, with profound implications for theories of cortical visual function. Given that mechanisms of visual decision-making likely resemble the mechanisms underlying other forms of decisions throughout the brain, the proposed research will also provide a basis for understanding choice under uncertainty in general.

 Publications

year authors and title journal last update
List of publications.
2019 Ruben S. van Bergen, Janneke F.M. Jehee
Probabilistic representation in human visual cortex reflects uncertainty in serial decisions
published pages: 3212-18, ISSN: 0270-6474, DOI: 10.1523/jneurosci.3212-18.2019
The Journal of Neuroscience 2020-02-17
2018 Laura S. Geurts, Andrey Chetverikov, Ruben S. van Bergen, Ying J. Zhou, Andrea Bertana, Janneke F. M. Jehee
Optimality is critical when it comes to testing computation-level hypotheses
published pages: , ISSN: 0140-525X, DOI: 10.1017/s0140525x18001450
Behavioral and Brain Sciences 41 2020-02-17
2017 R.S. van Bergen, J.F.M. Jehee
Modeling correlated noise is necessary to decode uncertainty
published pages: , ISSN: 1053-8119, DOI: 10.1016/j.neuroimage.2017.08.015
NeuroImage 2020-02-17

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