Nicola Molinaro|Mikel Lizarazu|Marie Lallier|Mathieu Bourguignon|Manuel Carreiras
Out?of?synchrony speech entrainment in developmental dyslexia
Basque Center on Cognition, Brain and Language|Ikerbasque|Basque Center on Cognition, Brain and Language|Basque Center on Cognition, Brain and Language|Basque Center on Cognition, Brain and Language|Aalto University|Basque Center on Cognition, Brain and Language|Ikerbasque
abstract developmental dyslexia reading disorder often characterized reduced awareness speech units whether neural source phonological disorder dyslexic readers results malfunctioning primary auditory system damaged feedback communication higherorder phonological regions ie left inferior frontal regions auditory cortex still dispute recorded magnetoencephalographic meg signals 20 dyslexic readers 20 agematched controls listening 10slong spoken sentences compared controls dyslexic readers 1 impaired neural entrainment speech delta band 051 hz 2 reduced delta synchronization right auditory cortex left inferior frontal gyrus 3 impaired feedforward functional coupling neural oscillations right auditory cortex left inferior frontal regions shows speech listening individuals developmental dyslexia present reduced neural synchrony lowfrequency speech oscillations primary auditory regions hinders higherorder speech processing steps present findings thus strengthen proposals assuming improper lowfrequency acoustic entrainment affects speech sampling low speechbrain synchronization strong potential cause severe consequences phonological reading skills interestingly reduced speechbrain synchronization dyslexic readers compared normal readers higherorder consequences across speech processing network appears preserved development childhood adulthood thus evaluation speechbrain synchronization could possibly serve diagnostic tool early detection children risk dyslexia hum brain mapp 3727672783 2016 2016 wiley periodicals inc