Electrophysiological indices of phonological impairments in dyslexia. Desroches, A. S; Newman, R. L.; Robertson, E. K; and Joanisse, M. F Journal of Speech, Language, and Hearing Research, 56(1):250-264.
Electrophysiological indices of phonological impairments in dyslexia [link]Paper  doi  abstract   bibtex   
Purpose: A range of studies have shown difficulties in perceiving acoustic and phonetic information in dyslexia; however, much less is known about how such difficulties relate to the perception of individual words. The authors present data from event-related potentials (ERPs) examining the hypothesis that children with dyslexia have difficulties with processing phonemic information within spoken words compared to age-matched readers with typical development. Method: The authors monitored ERPs to auditory words during a simple picture-word matching task. The key manipulation was the inclusion of both matching stimuli and three types of mismatches (cohort, CONE- comb; rhyme, CONE- bone; and unrelated, CONE- fox). Results: Children with dyslexia showed atypical N400 ERP waveforms to both types of phonological mismatches, but not to phonologically unrelated mismatches, reflecting a relative insensitivity to phonological overlap among auditory words. Conclusion: The data suggest that children with dyslexia have impairments in integrating phonological information into word-level representations. The results suggest that speech perception difficulties in dyslexia might have consequences for processing auditory words.
@article{desroches_electrophysiological_2013,
	Author = {Desroches, Amy S and Newman, Randy Lynn and Robertson, Erin K and Joanisse, Marc F},
	Date = {2013},
	Date-Modified = {2017-04-19 08:04:06 +0000},
	Doi = {10.1044/1092-4388(2012/10-0351)},
	Issn = {1092-4388},
	Journal = {Journal of Speech, Language, and Hearing Research},
	Keywords = {clinical, clinical phonetics, dyslexia, English, speech perception},
	Number = {1},
	Pages = {250-264},
	Title = {Electrophysiological indices of phonological impairments in dyslexia},
	Url = {http://jslhr.asha.org/cgi/content/abstract/56/1/250},
	Volume = {56},
	Abstract = {Purpose: A range of studies have shown difficulties in perceiving acoustic and phonetic information in dyslexia; however, much less is known about how such difficulties relate to the perception of individual words. The authors present data from event-related potentials (ERPs) examining the hypothesis that children with dyslexia have difficulties with processing phonemic information within spoken words compared to age-matched readers with typical development. Method: The authors monitored ERPs to auditory words during a simple picture-word matching task. The key manipulation was the inclusion of both matching stimuli and three types of mismatches (cohort, CONE- comb; rhyme, CONE- bone; and unrelated, CONE- fox). Results: Children with dyslexia showed atypical N400 ERP waveforms to both types of phonological mismatches, but not to phonologically unrelated mismatches, reflecting a relative insensitivity to phonological overlap among auditory words. Conclusion: The data suggest that children with dyslexia have impairments in integrating phonological information into word-level representations. The results suggest that speech perception difficulties in dyslexia might have consequences for processing auditory words.},
	Bdsk-Url-1 = {http://jslhr.asha.org/cgi/content/abstract/56/1/250},
	Bdsk-Url-2 = {http://dx.doi.org/10.1044/1092-4388(2012/10-0351)}}
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