|
Rett’s Disorder
All of the following:
- apparently normal prenatal and prenatal development
- apparently normal psychomotor development through the first 5 months after birth
- normal head circumference at birth
Onset of all of the following after the period of normal development:
- deceleration of head growth between ages 5 and 48 months
- loss of previously acquired purposeful hand skill between ages 5 and 30
months with the subsequent development of stereotyped hand movements (e.g.
hand-wringing or hand washing)
- loss of social engagement early in the course (although often social
interaction develops later)
- appearance of poorly coordinated gait or trunk movements
- severely impaired expressive and receptive language development with
severe psychomotor retardation
Childhood Disintegrative Disorder
Clinically significant loss of previously acquired skills (before age 10
years) in at least two of the following areas:
- expressive or receptive language
- social skills or adaptive behavior
- bowel or bladder control
- play
- motor skills
Asperger’s Disorder
- qualitative impairment in social interaction
- restricted repetitive and stereotyped patterns of behavior, interests, and activities.
- the disturbance causes clinically significant impairment in or other
important areas of functioning.
Copyright © 1999 - 2006 Psychological Sciences Institute. All rights reserved.
Revised: July 09, 2002
|
