Mismatch Negativity in Children with Dyslexia Speaking Indian Languages
Author Information
Author(s): Shankarnarayan Vanaja Chittinahalli, Maruthy Sandeep
Primary Institution: All India Institute of Speech and Hearing, Mysore, India
Hypothesis
The study aimed to investigate auditory processing in children with dyslexia who spoke and studied Indian languages.
Conclusion
Despite having good phoneme-grapheme correspondence in Indian languages, children with dyslexia show deficits in processing both spectral and durational cues.
Supporting Evidence
- Children with dyslexia showed longer latency in mismatch negativity compared to control children.
- Processing deficits were observed for both speech and tonal stimuli.
- More children with dyslexia had abnormal processing for speech stimuli than tonal stimuli.
Takeaway
Kids with dyslexia have trouble hearing sounds correctly, even when their language is supposed to be easier for them.
Methodology
The study used a standard group comparison design with 15 children with dyslexia and 15 control children, measuring mismatch negativity for speech and tonal stimuli.
Potential Biases
Potential bias in the selection of participants and the subjective nature of diagnosing dyslexia.
Limitations
The study's findings may not be generalizable to children speaking other Indian languages or dialects.
Participant Demographics
Participants were children aged 7 to 12 years, native speakers of Kannada.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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