Acquisition of milestones in a sequence that is different from the usual is called:

Acquisition of milestones in a sequence that is different from the usual -Dence. Ex: Walking may come before crawling in cerebral palsy. Dissociation- Significant variations in attainment of milestones in different developmental domains. Delay is when child does not reach their developmental milestones at the expected time. Developmental disabilities are a group of conditions due to an impairment in physical, learning, language, or behavior areas.