SYNGAP1 and microcephaly: Retrospecting her medical history, they noticed that a few of the phenotypes such as growth delay, microcephaly, and seizures could be alleviated or well-controlled with age, whereas several phenotypes such as facial features, unsteady gait, and cognitive and language performance showed a tendency to deteriorate, indicating a specific dynamic of the SYNGAP1-related phenotypes from a young age to adulthood.