Atypical development:  children may perform within their appropriate age range on test instruments, but whose patterns of development are different from their peers.
Atypical sensory-motor development:  muscle tone, reflex or postural reaction responses, oral-motor skills and sensory integration
Atypical language or cognition:  state regulation, attention span, perseveration, information processing
Atypical emotional or social patterns:  social responsiveness, affective development, attachment patterns, and self-targeted behaviors