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Peer reviewedNelson, Keith E. – Merrill-Palmer Quarterly, 1974
Infants ranging in age from six months to eight months were shown repeated instances of real object movement-disappearance-reappearance. Results suggest that the key changes in early cognitive development rest primarily upon the infant's gradual adaptation of old responses through encounters with new events--rather than upon the acquisition of…
Descriptors: Concept Formation, Discrimination Learning, Feedback, Infant Behavior
Direct linkBruce, Susan M. – International Journal of Disability, Development and Education, 2005
Most children who are congenitally deafblind are severely delayed in their communication development and many will not achieve symbolic understanding and expression. This article discusses developmental markers cited in the research literature as predictive of or facilitative of the development of symbolism. These markers include the growth toward…
Descriptors: Symbolic Learning, Cues, Object Permanence, Communication Disorders
