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Freq4Num SIGNED

The neural signature of numerosity: Tracking the cerebral correlates of numerical and continuous magnitude extraction with a frequency-based approach

Total Cost €

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EC-Contrib. €

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Partnership

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Project "Freq4Num" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITE LIBRE DE BRUXELLES 

Organization address
address: AVENUE FRANKLIN ROOSEVELT 50
city: BRUXELLES
postcode: 1050
website: www.ulb.ac.be

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 Belgium [BE]
 Total cost 160˙800 €
 EC max contribution 160˙800 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2018
 Duration (year-month-day) from 2018-03-01   to  2020-02-29

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE LIBRE DE BRUXELLES BE (BRUXELLES) coordinator 160˙800.00

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 Project objective

Mathematical skills are critical in modern societies and their development has considerable financial impact on the GDP per capita. Moreover, mathematical difficulties are a frequent factor in children’s learning difficulties. The ability to handle approximate large quantities has been identified as a building block of mathematical skills but the mechanism allowing to extract numerical magnitudes (i.e., numerosity) from environmental stimuli is still debated. Most authors agree that humans have an Approximate Number System that specifically processes numerosity. However, a set of objects is not only characterized by its numerosity but also by additional visual information related to its continuous dimensions (e.g., object size). Accordingly, the alternative theory argues that the numerosity is extracted through a weighting of the continuous dimensions of the stimulus. The opposite views cannot be properly tested through classic behavioral and neuroimaging approaches due to the intrinsic correlation between numerosity and continuous dimensions. Freq4Num aims at disentangling the specific cerebral responses to numerosity and to continuous dimensions. This objective will be achieved by adopting an innovative frequency-based approach to specifically measure the neural correlates of both numerical and continuous dimensions, and their potential interaction. More precisely, the project will combine Steady-State Evoked Potentials (SSVEP) paradigms with electro-encephalography (EEG) and Magneto-encephalography (MEG) to 1) test whether the system discriminates numerosity and other continuous dimensions within stimulus sequences, and 2) highlight whether and how the brain builds neural representations of numerosity and continuous dimensions. Freq4Num will considerably develop the career of the experienced researcher by allowing her to bring significant new advances to the field and to foster her independent research skill and international network.

 Publications

year authors and title journal last update
List of publications.
2018 Mathieu Guillaume, Amandine Van Rinsveld
Comparing Numerical Comparison Tasks: A Meta-Analysis of the Variability of the Weber Fraction Relative to the Generation Algorithm
published pages: , ISSN: 1664-1078, DOI: 10.3389/fpsyg.2018.01694
Frontiers in Psychology 9 2020-04-24
2020 Amandine Van Rinsveld, Mathieu Guillaume, Peter J. Kohler, Christine Schiltz, Wim Gevers, Alain Content
The neural signature of numerosity by separating numerical and continuous magnitude extraction in visual cortex with frequency-tagged EEG
published pages: 5726-5732, ISSN: 0027-8424, DOI: 10.1073/pnas.1917849117
Proceedings of the National Academy of Sciences 117/11 2020-04-24

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The information about "FREQ4NUM" are provided by the European Opendata Portal: CORDIS opendata.

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