1. The dopamine hypothesis of Autism Spectrum Disorder: a comprehensive analysis of the evidence Denis Paval 2. A Review of the Use of Psychotropic Medication to Address Challenging Behaviour in Neurodevelopmental Disorders Maria Valdovinos 3. Lipid metabolism alterations in fragile X syndrome and other neurodevelopmental disorders Olivier Dionne 4. Toward an Understanding of the Role of the Exposome on Fragile X Phenotypes Cara Westmark 5. Glial-mediated dysregulation of neurodevelopment in Fragile X Syndrome Angela Scott