ArticleFrontiers in psychology2022
Event-related potential and lexical decision task in dyslexic adults: Lexical and lateralization effects.
Article in Frontiers in psychology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 10 citations in OpenAlex.
- A new effective treatment for dyslexia based on dorsal visual stream neuromodulation.Journal of neurodevelopmental disorders · 2026Trial
- Event-Related Potential Components and the Lexical Decision Task in Greek-Speaking Children With and Without Reading Difficulties.Dyslexia (Chichester, England) · 2026Article
- Electroencephalography Signatures Associated with Developmental Dyslexia Identified Using Principal Component Analysis.Diagnostics (Basel, Switzerland) · 2025Article
- New Insights Into Slow Reading: Behavioral and Electrophysiological Analyses of Visual Word Recognition in Arabic.The European journal of neuroscience · 2025Article
- Electrophysiological evidence of lexical processing impacted by foreign language reading anxiety.Heliyon · 2024Article
- Overt Word Reading and Visual Object Naming in Adults with Dyslexia: Electroencephalography Study in Transparent Orthography.Bioengineering (Basel, Switzerland) · 2024Article
- Semantic Priming and Its Link to Verbal Comprehension and Working Memory in Children with Learning Disorders.Brain sciences · 2023Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Developmental dyslexia is a specific learning disorder that presents cognitive and neurobiological impairments related to different patterns of brain activation throughout development, continuing in adulthood. Lexical decision tasks, together with electroencephalography (EEG) measures that have great temporal precision, allow the capture of cognitive processes during the task, and can assist in the understanding of altered brain activation processes in adult dyslexics. High-density EEG allows the use of temporal analyses through event-related potentials (ERPs). The aim of this study was to compare and measure the pattern of ERPs in adults with developmental dyslexia and good readers, and to characterize and compare reading patterns between groups. Twenty university adults diagnosed with developmental dyslexia and 23 healthy adult readers paired with dyslexics participated in the study. The groups were assessed in tests of intelligence, phonological awareness, reading, and writing, as well as through the lexical decision test (LDT). During LDT, ERPs were recorded using a 128-channel EEG device. The ERPs P100 occipital, N170 occipito-temporal, N400 centro-parietal, and LPC centro-parietal were analyzed. The results showed a different cognitive profile between the groups in the reading, phonological awareness, and writing tests but not in the intelligence test. In addition, the brain activation pattern of the ERPs was different between the groups in terms of hemispheric lateralization, with higher amplitude of N170 in the dyslexia group in the right hemisphere and opposite pattern in the control group and specificities in relation to the items of the LDT, as the N400 were more negative in the Dyslexia group for words, while in the control group, this ERP was more pronounced in the pseudowords. These results are important for understanding different brain patterns in developmental dyslexia and can better guide future interventions according to the changes found in the profile.
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