1. Social communication and interaction
Hyper or hypo-reactivity to sensory input (pain, temperature, sounds or textures)
Instances of sameness- small changes to the environment or routines leads to distress
Restricted, repetitive patterns of behaviour, interests or activities
Fixated interests with high intensity or focus to objects
Behaviours such as the lining up of toys or flipping objects
Stereotyped or repetitive motor movements
Echolalia /palalia can be present and or idiosyncratic phrases
Rigid thinking patterns such as needing to take the same route each day
Adherence to routines or ritualistic patterns of behaviour
Dyad of Impairments
Abnormal social approach
Difficulties in imaginative play
Difficulties in maintaining & understanding relationships
Difficulties in adjusting behaviour to various social contexts
Social communication and interaction
Failure to engage in normal dialogue
Failure to initiate or respond to social interaction
Lack of eye contact & use of gestures or facial expressions
Reduced sharing of interest and emotions
Seen in multiple contexts