Neurodevelopmental Disorder with Ataxia, Hypotonia, and Microcephaly, is also known as nedahm. An important gene associated with Neurodevelopmental Disorder with Ataxia, Hypotonia, and Microcephaly is SVBP (Small Vasohibin Binding Protein). Affiliated tissues include skin and brain, and related phenotypes are intellectual disability and delayed speech and language development