Yvonne Griffiths|Nicholas I. Hill|Peter J. Bailey|Margaret J. Snowling
Auditory Temporal Order Discrimination and Backward Recognition Masking in Adults With Dyslexia
University of Essex|University of Essex|University of York|University of York
ability 20 adult dyslexic readers extract frequency information successive tone pairs compared iqmatched controls using temporal order discrimination auditory backward recognition masking abrm tasks paradigms interstimulus interval isi tones pair either short 20 ms long 200 ms temporal order discrimination better groups listeners long short isis group differences performance observed either isi performance abrm task also better long short isis influenced variability masker frequency spectral proximity target masker significant group difference found one condition abrm task targetmasker interval 200 ms difference reliable measure optimal performance moderate correlations observed auditory thresholds phonological skill sample whole within dyslexic control groups however although small subgroup dyslexic listeners poor phonology characterized elevated thresholds across auditory tasks evidence association auditory phonological processing skills weakened finding subgroup control listeners poor auditory processing normal phonological processing skills