Cortical Dysplasia, Complex, with Other Brain Malformations 4, is also known as complex cortical dysplasia with other brain malformations 4, and has symptoms including seizures An important gene associated with Cortical Dysplasia, Complex, with Other Brain Malformations 4 is TUBG1 (Tubulin Gamma 1). Affiliated tissues include brain and cortex, and related phenotypes are global developmental delay and pachygyria