Neurodevelopmental Disorder and Structural Brain Anomalies with or Without Seizures and Spasticity, is also known as nedbass. An important gene associated with Neurodevelopmental Disorder and Structural Brain Anomalies with or Without Seizures and Spasticity is PTPN23 (Protein Tyrosine Phosphatase Non-Receptor Type 23). Affiliated tissues include brain and cerebellum, and related phenotypes are spasticity and microcephaly