FOXP1 and Delayed speech and language development: A number of neurodevelopmentally important transcriptional regulators were present in the midnight blue module, including PAX6, FOXP1 and CHD8. FOXP1 has been previously implicated in speech and language delay and disorders with communicative elements such as intellectual disability (ID) and autism spectrum disorder (ASD) [49, 50], prompting us to look for FOXP1-target relationships within the midnight blue network.