The mean levels of cytoplasmic Rbfox1 immunoreactivity (F1,9=5.2, P = 0.048; Fig. 4D) and the mean density of PV mRNA grains (F1,9=4.4, P = 0.065; Fig. 4E) were each 14% lower in PVIs in schizophrenia, respectively. Here, RBFOX1 is linked to schizophrenia.