Common genetic influences for ADHD and reading disability

Attention Deficit Hyperactivity Disorder (ADHD) and developmental reading disability (RD) are complex childhood disorders that frequently occur together; if a child is experiencing trouble with reading, symptoms of ADHD are often also present. However, the reason for this correlation remains unknown. A new study reported in the latest special issue of Cortex, dedicated to 'Developmental Dyslexia and Dysgraphia,' has suggested that the disorders have common genetic influences, which may also lead to slow processing speed - the brain taking longer to make sense of the information it receives...

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