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Reading and writing are crucial life skills but roughly one in ten children are affected by dyslexia, which can persist into adulthood. Family studies of dyslexia suggest heritability up to 70%, yet few convincing genetic markers have been found.

The idea of the '30 million word gap' suggests families from more socioeconomically advantaged backgrounds engage in more verbal interactions with their child than disadvantaged families. Initial findings from the Language in Little Ones (LiLO) study up to 12 months showed no word gap between maternal education groups.

This study investigates the heritability of language, speech, and nonverbal cognitive development of twins at 4 and 6 years of age.

Delayed or impaired language development is a common developmental concern, yet there is little agreement about the criteria used to identify and classify...

While autism spectrum disorder (ASD) and specific language impairment (SLI) have traditionally been conceptualized as distinct disorders, recent findings...

This study investigates relationships between methyl-CpG-binding protein 2 gene (MECP2) mutation type and speech-language abilities in girls with Rett syndrome.

Although genetic factors are known to play a causal role in specific language impairment (SLI), environmental factors may also be important. This study...

Commentary on Bishop, D. V. M., Ten questions about terminology for children with unexplained language problems.

Children who enter school with limited proficiency in the language of instruction face a range of challenges in negotiating this new context, yet limited...

Variation in receptive vocabulary ability is associated with variation in children's school achievement, and low receptive vocabulary ability is a risk...