A new study has found that dyslexia can be linked to 42 genetic variants

Researchers have discovered the genes that cause dyslexia, which is a disorder that can make it hard for millions to spell or read.

Researchers from the Max Planck Institute for Psycholinguistics and QIMR Berghofer Medical Research Institute (Australia), the University of Edinburgh, and 23andMe Inc in the United States conducted the largest genetic study of dyslexia and published their results in Nature Genetics.

The study identified 42 genes that were important while analyzing the relationships between dyslexia and millions of genetic variants. Researchers had access to data from approximately 50,000 dyslexic adults and about 1 million people without the disease.

Some genes can lead to language delays and other critical thinking skills, which may impact academic performance. Scientists have identified over 30% of all genetic variants that can be traced back to cognitive problems. Many are associated with learning and development skills.

Michelle Luciano (the University of Edinburgh, School of Philosophy Psychology and Language Sciences) said that the findings showed that genetic differences can have very similar effects on boys and girls and that there is a genetic connection between dyslexia, ambidexterity, and other genetic disorders.

Luciano said, “Our results also indicate that dyslexia may be genetically linked to performance on spelling and reading tests. Reinforcing how important it is for standardized testing in identifying Dyslexia.”

According to the study, dyslexia genes also seem to be associated with attention deficit hyperactivity disorder (ADHD).

The genetic variants also affected Chinese-speaking participants, which indicates that reading and writing are not just a function of one language.

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