Foxg1 Syndrome, also known as foxg1-related epileptic-dyskinetic encephalopathy, is related to foxg1 syndrome due to 14q12 microdeletion and foxg1 syndrome due to intragenic alteration, and has symptoms including athetosis, constipation and muscle spasticity. An important gene associated with Foxg1 Syndrome is FOXG1 (Forkhead Box G1). Affiliated tissues include brain and eye, and related phenotypes are hypotonia and dyskinesia