CNTNAP2 variants affect early language development in the general population
2011

CNTNAP2 Variants and Early Language Development

Sample size: 1149 publication Evidence: moderate

Author Information

Author(s): Whitehouse A J O, Bishop D V M, Ang Q W, Pennell C E, Fisher S E

Primary Institution: Telethon Institute for Child Health Research, University of Western Australia

Hypothesis

Do CNTNAP2 variants affect communicative behavior in children at 2 years of age?

Conclusion

CNTNAP2 variants influence early language acquisition in the general population.

Supporting Evidence

  • CNTNAP2 variants were previously linked to language deficits in specific language impairment and autism.
  • The study used a large epidemiological sample to assess early language development.
  • Parental reports were shown to be a reliable measure of early communicative behavior.
  • Significant associations were found between specific SNPs and language scores.

Takeaway

Some genes can affect how well kids learn to talk, and this study found that certain gene variants are linked to early language skills.

Methodology

The study analyzed genetic data and early communicative behavior in a large cohort of children using parental reports.

Potential Biases

Potential bias from reliance on parental reports for language assessment.

Limitations

The study focused only on specific genetic markers and did not explore a genome-wide association.

Participant Demographics

The sample consisted of 1149 children (606 males and 543 females) from the Western Australian Pregnancy Cohort Study, primarily Caucasian.

Statistical Information

P-Value

0.0239; 0.0248; 0.049; 0.0014

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1111/j.1601-183X.2011.00684.x

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