PAX6 and autism: Reduction in exploratory behaviour in adulthood was documented in other animal models of autism – Pax6 heterozygous mutant (rSey2/+) rats with alterations in serotonergic system (Umeda et al.,2010), mice with disruption in chromosome 7 (analogue of human locus 15q11-13) (Tamada et al.,2010), BALB/cByJ mice (Moy et al.,2008).