thecenter

Activities and Seminars

Alan J. Power. Low Frequency Speech Envelope Encoding in Developmental Dyslexia.
 
Date: Sep 25, 2014

What: Low Frequency Speech Envelope Encoding in Developmental Dyslexia.

Where: BCBL auditorium

Who: Alan J. Power, Centre for Neuroscience in Education, University of Cambridge.

When: 12 noon


Research with children with dyslexia has revealed that the processing of the sound structure (phonological structure) of words is adversely affected and that phonological awareness before reading onset is the most robust predictor of subsequent reading ability. There is a broad debate in the dyslexia literature around what elements of the neural processing of the  auditory world are impaired and contribute to this phonological awareness deficit in dyslexia: low frequency encoding related to rhythm, prosody and syllables or higher frequency encoding related to phonemes. Research with children with dyslexia from our lab lends support to the idea that auditory processing difficulties in dyslexia are focused around encoding at slower rates and that this has a direct causal impact on phonological awareness and the mental lexicon developed by affected individuals. I will present data from EEG studies employing syllable and speech perception tasks to support this claim.