FMR1 and fragile X syndrome: In addition to environmental ASD models, we also performed the same neurochemical analysis in adolescent rats with a genetic deletion of Fragile X messenger ribonucleoprotein 1 (Fmr1) (Fmr1‐Δexon 8 rats) (Figure 1b), which causes Fragile X Syndrome, the most common inherited form of ASD (Richter and Zhao 2021).