ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2022
Reduced Learning of Sound Categories in Dyslexia Is Associated with Reduced Regularity-Induced Auditory Cortex Adaptation.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 20 citations in OpenAlex.
- Rapid decay of perceptual memory in dyslexia.Trends in cognitive sciences · 2026Review
- Neural tracking of auditory statistical regularities in adults with and without dyslexia.Cerebral cortex (New York, N.Y. : 1991) · 2025Article
- Distinct impact modes of polygenic disposition to dyslexia in the adult brain.Science advances · 2024Article
- Reduced categorical learning of faces in dyslexia.Cortex; a journal devoted to the study of the nervous system and behavior · 2024Article
- Auditory Category Learning in Children With Dyslexia.Journal of speech, language, and hearing research : JSLHR · 2024Article
- Adaptation in auditory processing.Physiological reviews · 2023Review
- Diminished Repetition Suppression Reveals Selective and Systems-Level Face Processing Differences in ASD.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2023Article
- Functional Plasticity Coupled With Structural Predispositions in Auditory Cortex Shape Successful Music Category Learning.Frontiers in neuroscience · 2022Article
- Is there evidence for a noisy computation deficit in developmental dyslexia?Frontiers in human neuroscience · 2022Article
- The shared neurobiological basis of developmental dyslexia and developmental stuttering: A meta-analysis of functional and structural MRI studies.International journal of clinical and health psychology : IJCHPArticle
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A main characteristic of dyslexia is poor use of sound categories. We now studied within-session learning of new sound categories in dyslexia, behaviorally and neurally, using fMRI. Human participants (males and females) with and without dyslexia were asked to discriminate which of two serially-presented tones had a higher pitch. The task was administered in two protocols, with and without a repeated reference frequency. The reference condition introduces regularity, and enhances frequency sensitivity in typically developing (TD) individuals. Enhanced sensitivity facilitates the formation of "high" and "low" pitch categories above and below this reference, respectively. We found that in TDs, learning was paralleled by a gradual decrease in activation of the primary auditory cortex (PAC), and reduced activation of the superior temporal gyrus (STG) and left posterior parietal cortex (PPC), which are important for using sensory history. No such sensitivity was found among individuals with dyslexia (IDDs). Rather, IDDs showed reduced behavioral learning of stimulus regularities and no regularity-associated adaptation in the auditory cortex or in higher-level regions. We propose that IDDs' reduced cortical adaptation, associated with reduced behavioral learning of sound regularities, underlies their impoverished use of stimulus history, and consequently impedes their formation of rich sound categories.
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