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Updated: Jul 17, 2026
15:00
Assessing Dyslexia at Six Year of Age
Published on: May 1, 2020
[Are there different patterns of cerebral asymmetry between dyslexic subtypes? ]
Juan E Jiménez1, Sergio Hernández, Jessica Conforti
1Universidad de La Laguna, Islas Canarias, Spain. ejimenez@ull.es
Psicothema
|February 14, 2007
Summary
This study found that dyslexic children, like younger readers, often show left-hemisphere dominance for language and spatial tasks. No distinct cerebral asymmetry patterns were identified among dyslexia subtypes.
Area of Science:
- Neuroscience
- Developmental Psychology
- Cognitive Science
Context:
- Cerebral asymmetry is crucial for cognitive functions.
- Dyslexia is a neurodevelopmental disorder affecting reading.
- Understanding hemispheric specialization in dyslexia is key.
Purpose:
- To analyze cerebral asymmetry in dyslexic children.
- To determine if different patterns of cerebral asymmetry exist among dyslexia subtypes.
- To compare dyslexic children's patterns with control groups.
Summary:
- A study of 89 dyslexic children and control groups (37 age-matched, 40 reading-level-matched) used the dual-task method to assess hemispheric specialization.
- Findings indicate a high percentage of dyslexic children and the reading-level-matched control group exhibit convergence of linguistic and spatial functions in the left hemisphere.
- No significant differences in cerebral asymmetry patterns were observed between the various subtypes of dyslexia.
Impact:
- Provides insights into the neurobiological underpinnings of dyslexia.
- Suggests a common pattern of hemispheric function in dyslexia, irrespective of subtype.
- Informs potential targeted interventions for reading difficulties based on hemispheric specialization.
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