Examination of developmental scores of 198 infants and young children with Down's Syndrome attending exemplary early intervention programs found more similarity to other children in Personal Social and Adaptive Domains and less similarity in Communication and Cognitive Domains of the Battelle Developmental Inventory. These differences were…

A group of 16 infants (ages 6 to 24 months) with Down's Syndrome (DS) were exposed to two operant learning tasks varying in control of reinforcement. Comparison with chronological and developmental age matched controls found DS subjects characterized by increasing adoption of counterproductive learning behaviors with increasing age. (Author/DB)

This study, with 13 mothers of Down's Syndrome children (ages 7 to 8) and comparison groups of mothers of motor handicapped children and of children with both mental retardation and psychotic symptoms, found mood disturbances uncommon in the mothers of DS and motor handicapped children. DS mothers' experience of social support was generally not…

Behavioral ratings by mothers and teachers of 94 children with Down's Syndrome (between 8 and 14 years of age) indicated general support for the amiable personality stereotype, but ratings of low persistence were associated with maternal impressions of difficulty. There was little agreement between mothers and teachers regarding individual child…

Recent experimental research is synthesized to identify distinctive biobehavioral characteristics of Down's Syndrome persons across their lifespan. It is argued that educational and other intervention programs have not demonstrated strong gains having significant durability or generalization. Recommended is an interactionist function-structure…