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Poster (Scientific congresses, symposiums and conference proceedings)
How the human brain discriminates numerosities: A steady-state visual-evoked potentials study
Mejias, Sandrine; Rossion, Bruno; Schiltz, Christine
2013Neuropsychology Workshop
 

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Abstract :
[en] This study aimed at measuring rapidly and objectively human adults' sensitivity to (non)symbolic numerical stimuli, using the steady-state visual-evoked potentials (1) response in the context of repetition suppression (2). It aimed to demonstrate the feasibility of the method and evaluate its potential to tap into the basic numerical representation systems that can be assumed to underlie symbolic and non-symbolic magnitude comparisons. Following a short duration experiment, we observed a large reduction of signal specifically at the 3.5 Hz response, over the occipito-temporo-parietal cortex. This reduction was greater for symbolic than non-symbolic control stimuli. This first observation of repetition suppression to fast periodic stimulation of symbolic and non-symbolic numerosities in the human brain offers a promising tool to study the sensitivity to numerosities in the human brain in adults, but also especially in children.
Disciplines :
Neurosciences & behavior
Author, co-author :
Mejias, Sandrine
Rossion, Bruno
Schiltz, Christine ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Education, Culture, Cognition and Society (ECCS)
Language :
English
Title :
How the human brain discriminates numerosities: A steady-state visual-evoked potentials study
Publication date :
2013
Event name :
Neuropsychology Workshop
Event place :
Leuven, Belgium
Event date :
09-09-2013 to 11-09-2013
Audience :
International
Available on ORBilu :
since 28 November 2014

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