Article (Scientific journals)
Longitudinal changes in cortical responses to letter-speech sound stimuli in 8 – 11 year-old children
Romanovska, Linda; Janssen, Roef; Bonte, Milene
2022In npj Science of Learning
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Abstract :
[en] While children are able to name letters fairly quickly, the automatisation of letter-speech sound mappings continues over the first years of reading development. In the current longitudinal fMRI study, we explored developmental changes in cortical responses to letters and speech sounds across 3 yearly measurements in a sample of 18 8–11 year old children. We employed a text-based recalibration paradigm in which combined exposure to text and ambiguous speech sounds shifts participants’ later perception of the ambiguous sounds towards the text. Our results showed that activity of the left superior temporal and lateral inferior precentral gyri followed a non-linear developmental pattern across the measurement sessions. This pattern is reminiscent of previously reported inverted-u-shape developmental trajectories in children’s visual cortical responses to text. Our findings suggest that the processing of letters and speech sounds involves non-linear changes in the brain’s spoken language network possibly related to progressive automatisation of reading skills.
Research center :
Maastricht Brain Imaging Centre
Disciplines :
Human health sciences: Multidisciplinary, general & others
Author, co-author :
Romanovska, Linda ;  University of Luxembourg > Faculty of Humanities, Education and Social Sciences (FHSE) > LUCET
Janssen, Roef;  Maastricht University > Cognitive Neuroscience
Bonte, Milene;  Maastricht University > Cognitive Neuroscience
External co-authors :
yes
Language :
English
Title :
Longitudinal changes in cortical responses to letter-speech sound stimuli in 8 – 11 year-old children
Publication date :
2022
Journal title :
npj Science of Learning
ISSN :
2056-7936
Publisher :
Nature Publishing Group
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Leeswinst
Funders :
NWO - Nederlandse Organisatie voor Wetenschappelijk Onderzoek [NL]
Available on ORBilu :
since 09 November 2022

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