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Rapid sequential activation from A1 to V1 in congenitally blind and sighted subjects

delete2026-05-01
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S
Samuel Paré
S
Sylvain Baillet
M
Maurice Ptito
R
Ron Kupers *
DOI:10.1016/j.brainresbull.2026.111892delete
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Abstract

Abstract

En 中文
• MEG reveals thalamus→A1→V1 sequential activation within 50 ms of auditory onset • V1 activates 10–15 ms after A1, consistent with a monosynaptic A1-to-V1 pathway • Auditory-evoked V1 responses are significantly larger in congenitally blind subjects • Alpha-band connectivity from A1 to V1 and thalamus to V1 is enhanced in blindness • Auditory cross-modal plasticity relies on a different route than tactile plasticity
Keywords:
sensory deprivation
cross-modal
plasticity
multisensory interactions
MEG
phase transfer entropy
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Brain Research Bulletin cover
Brain Research Bulletin
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3.7
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U
university of montreal
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mcgill university
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