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Development of Perception and Cognitive Abilities among Nonhandicapped Children and Children with Down Syndrome.
Peer reviewed Peer reviewed
Metcalfe, John Alban; Stratford, Brian – Australia and New Zealand Journal of Developmental Disabilities, 1986
Development of cognitive processes and visual perception in 128 Down Syndrome (DS) children (ages 5 to 18) was compared to that of 162 nonhandicapped children (ages 3 to 8). Linear, rather than stepwise, relationships between performance and chronological age in the DS subjects and similar to normal visual perceptual development were found.…
Descriptors: Age Differences, Cognitive Development, Developmental Stages, Downs Syndrome
Does Assessment of Cognitive Functioning in Infancy Hold the Key to Early Detection of Developmental Disabilities? A Review of Research.
Peer reviewed Peer reviewed
Rolfe, Sharne A. – Australia and New Zealand Journal of Developmental Disabilities, 1994
This paper reviews, first, experimental studies of perceptual-cognitive development and related work directed to the assessment of infant intelligence and, second, naturalistic observation of the exploratory patterns of infants during free play. Techniques used, such as the Fagan Test of Infant Intelligence, offer the potential to identify…
Descriptors: Cognitive Development, Cognitive Processes, Developmental Disabilities, Disability Identification