In schizophrenia organoids, FGFR1 expression in the CZ was greatly reduced, as compared to control iPSC organoids at 2 weeks (Fig. 5a; Supplementary Fig. 4, a4 and a5), as well as at 5 weeks (Fig. 5b, Supplementary Fig. 4b and c). The gene discussed is FGFR1; the disease is schizophrenia.