Discusses the use of visual media as symbol systems that gather, package, and convey knowledge. Media's different and often unique symbol systems are looked at as potentially serving as cultivators of mental abilities. Forty-nine references are provided. (Author/CHC)

Discusses the findings of a recent study concerning the ability of an infant to see an object as a symbol. Reports that infants between 36 and 39 months old significantly outperformed informed infants between 30 and 32 months old on a symbolic task. (TW)

Reports on a study in which the symbolic relation between a scale model and the larger space that it represents was displayed by two groups of young children. Three-year-old children outperformed 2.5-year-olds in finding an object in a room after seeing an analogous object hidden in a model. (TW)