Social Interaction

• Not actively participating in simple social play
• Poor peer relationship
• Poor eye contact

Behaviour

• Enjoy repetitive activity
• Fascination with movement e.g. spinning wheels
• Insistence on sameness e.g. Same route to school
• Resistances to changes in environment

Communication

• Delay in development of spoken language
• Inability to understand simple questions, directions or jokes
• Delayed or immediate echolalia