Discusses the emergence and early development of symbolic functioning in children engaged in nonverbal, expressive activities. Concludes that symbolic functioning must be considered in the affective as well as cognitive sphere of development. Implications for educational practice and questions for further research are presented. (DP)

Based on the more general principle that all thinking (including reasoning) is basically perceptual in nature, the author proposes that visual perception is not a passive recording of stimulus material but an active concern of the mind. He delineates the task of visually distinguishing changes in size, shape, and position and points out the…