The characteristic behaviors of autism spectrum disorder may be apparent in infancy (18 to 24 months), but they usually become clearer during early childhood (24 months to 6 years).
- Avoiding eye contact
- Avoiding physical contact
- Rocking, spinning, or other repeated movements
- Delayed speech development
- Repetitive speaking of words or short phrases
- Inability to cope with small changes in a daily routine
- Limited or no interactions with peers
Additional symptoms can be: Poor coordination while running or climbing, poor hand control, constipation, and poor sleeping. Some children develop seizures.
Image courtesy: http://www.autismtopics.org/