in the series, highlights new advances in the field, with this new volume presenting interesting chapters on The dopamine hypothesis of Autism Spectrum Disorder: a comprehensive analysis of the evidence, A Review of the Use of Psychotropic Medication to Address Challenging Behavior in Neurodevelopmental Disorders, Lipid metabolism alterations in fragile X syndrome and other neurodevelopmental disorders, Genesis, modelling and methodological remedies to autism heterogeneity, Toward an Understanding of the Role of the Exposome on Fragile X Phenotypes, Glial-mediated dysregulation of neurodevelopment in Fragile X Syndrome, and more.