As for neurodevelopmental disorders, disrupted developmental timing and slow acquisitional pace are hallmarks of these populations.
Yonata Levy 2018, '‘Developmental Delay' Reconsidered: The Critical Role of Age-Dependent, Co-variantDevelopment', Frontiers in Psychologyhttp://journal.frontiersin.org/article/10.3389/fpsyg.2018.00503/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)