Rett's Disorder

Presenting Signs and Symptoms:

• Development of multiple deficits after a normal prenatal and postnatal period of development.
• Head circumference is normal at birth but growth rate slows between the 5th and 48th months of life.
• Persistent and progressive loss of previously acquired hand skills between the 5th and 30th months of life.
• Development of stereotyped hand movements (hand-wringing and hand-washing)
• Problems with coordination of gait and trunk movements
• Severe psychomotor retardation
• Severe problems with expressive and receptive language 
• Loss of interest in social interactions but might develop this interest later in childhood or adolescence.