New Research Finds Differences in Brains of Those with Higher Genetic Risk of Dyslexia
A new large scale study conducted by scientists at the Max Planck Institute for Psycholinguistics in Nijmegen, the Netherlands examined the brains of both adults with dyslexia and those without. The study found that people with higher genetic risk for dyslexia tended to have lower volumes in brain regions that relate to speech-sound processing and coordination of movement and higher levels in the visual cortex. The researchers also found differences in the internal capsule of the participants’ brains; white matter density was associated with genetic influences not only for dyslexia but also for traits that are correlated with dyslexia (e.g., ADHD, educational attainment, fluid intelligence). The researchers hope that better understanding of the brain basis of dyslexia will lead to improving outcomes for children with dyslexia through earlier diagnosis and improved educational intervention.
Image Source: Shawn Day
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