Early vocabulary size is genetically linked to ADHD, literacy, and cognition
Early language development is an important predictor of children’s later language, reading and learning skills. Moreover, language learning difficulties are related to neurodevelopmental conditions such as Attention-Deficit/Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD). Children typically start to utter their first words between 10 and 15 months of age. At around two years of age, … Read more
