NEPSY-II (semantic), Tokentest-II, CCC-2 Parent, CCC-2 Teacher, WISC-IV verbal comprehension
Moderate to low GRADE	Children with single-suture craniosynostosis at the age of 7 years are likely to have a slightly increased risk of speech and language problems compared to children without craniofacial anomaly. Source: Kapp-Simon et al, 2016