DMD and Duchenne muscular dystrophy: Considering the high frequency of ASD within dystrophinopathies, together with the still incipient data on this topic, particularly on the potential relevance of the genetic background to its etiology, this review will focus on updating the ASD prevalence among DMD/BMD cohorts, dystrophin in the brain and genotype–phenotype correlations between dystrophin isoforms, genetic background and ASD in dystrophinopathies.