This document discusses typical and atypical child development. It provides information on:
1) Typical motor, cognitive, and language development milestones from birth to 2 years of age.
2) "Red flags" that may indicate atypical development, such as not crawling by 10 months.
3) Examples of atypical motor development seen in autism, such as repetitive movements and toe-walking.
4) Examples of atypical cognitive development seen in Down Syndrome, such as difficulties with working memory.