Article (Scientific journals)
Lateralized neural responses to letters and digits in first graders.
Lochy, Aliette; Schiltz, Christine
2019In Child Development, 90 (6)
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Keywords :
letters perception; digits perception; FPVS-EEG; children
Abstract :
[en] The emergence of visual cortex specialization for culturally acquired characters like letters and digits, both arbitrary shapes related to specific cognitive domains, is yet unclear. Here, 20 young children (6.12 years old) were tested with a frequency-tagging paradigm coupled with electroencephalogram recordings to assess discrimination responses of letters from digits and vice-versa. One category of stimuli (e.g., letters) was periodically inserted (1/5) in streams of the other category (e.g., digits) presented at a fast rate (6 Hz). Results show clear right-lateralized discrimination responses at 6 Hz/5 for digits within letters, and a trend for left-lateralization for letters. These results support an early developmental emergence of ventral occipito-temporal cortex specialization for visual recognition of digits and letters, potentially in relation with relevant coactivated brain networks.
Research center :
University of Luxembourg: Institute for Cognitive Science and assessment, RU ECCS
Disciplines :
Neurosciences & behavior
Author, co-author :
Lochy, Aliette  ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Education, Culture, Cognition and Society (ECCS)
Schiltz, Christine ;  University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Education, Culture, Cognition and Society (ECCS)
External co-authors :
no
Language :
English
Title :
Lateralized neural responses to letters and digits in first graders.
Publication date :
2019
Journal title :
Child Development
ISSN :
1467-8624
Publisher :
Blackwell, Oxford, United Kingdom
Volume :
90
Issue :
6
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Educational Sciences
FnR Project :
FNR11015111 - Understanding The Relationship Between Electrophysiological Indexes Of Face Perception With Fast Perodic Visual Stimulation And Explicit Behavioral Measures, 2015 (01/10/2016-30/09/2020) - Christine Schiltz
Funders :
FNR - Fonds National de la Recherche [LU]
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since 17 January 2020

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