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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 €

EC-Contrib. €

Partnership

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Freq4Num project word cloud

Explore the words cloud of the Freq4Num project. It provides you a very rough idea of what is the project "Freq4Num" about.

capita accordingly stimulus neuroimaging ssvep intrinsic children discriminates combine skill societies independent extracted eeg continuous researcher modern handle skills steady critical builds frequent tested environmental neural properly potentials object encephalography gdp network objects magneto numerosity weighting evoked career difficulties authors alternative correlation brain paradigms representations debated interaction theory mathematical frequency adopting classic disentangling size opposite views meg correlates precisely humans stimuli dimensions considerably highlight international learning block building mechanism innovative numerical agree behavioral extract approximate electro argues magnitudes freq4num considerable additional cerebral visual quantities financial sequences

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 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.	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

List of publications.
year	authors and title	journal	last update
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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