The review surveys theories and models of human development and extrapolates from these to form a composite sketch of the "typical" deaf adolescent. Theories of J. Piaget are examined and the major stages of cognitive development he proposed are summarized. Implications of concepts of disequilibrium and restructuring of cognitive schemas…

This paper reviews research on symbolic play gaps between children with and without language impairment (LI), arguing that these gaps should not be interpreted as demonstrative of marked deficits in general representational or specific symbolic play competence of children with LI. Frequent encroachment of language into testing procedures is cited…

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…