Abstract #0645
Relating the structural and functional maturation of visual and auditory white matter pathways with diffusion imaging and event-related potentials in infants
Parvaneh Adibpour 1,2 , Ghislaine Dehaene-Lambertz 1,2 , and Jessica Dubois 1,2
1
Cognitive Neuroimaging Unit, INSERM,
Gif-sur-Yvette, France,
2
NeuroSpin,
CEA, Gif-sur-Yvette, France
White matter myelination is a long-lasting process
occurring at different times and speeds depending on
bundles and underlying networks. Since it both impacts
DTI parameters and accelerates the neural transmissions
between brain regions, we investigated whether
transverse diffusivity measured in the tracts conducting
the functional information would explain the conduction
speeds measured with event-related potentials better
than age. By considering the visual and auditory
networks of 6- to 22-week old infants, we analyzed early
lateralized responses in relation to projection bundles,
and the inter-hemispheric transfer of responses in
relation to corpus callosum fibers while taking into
account the age effects.
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