Conversely, transcripts encoding the LIM homeobox 8 (Lhx8), which is involved in neuronal differentiation, the distal-less homeobox 1(Dlx1), which may regulate inhibitory neurons in the brain, and the forkhead box G1 (Foxg1), which is responsible for neurodevelopmental disorders, were absent in the brainstem. The gene discussed is LHX8; the disease is neurodevelopmental disorder.