Maintains that, although the relation of the mind to the brain is a common topic in teaching psychology; psychogeny, the study of the mind's origin, is a neglected problem. Outlines and discusses two theories: (1) identify theory; and (2) emergentism. Presents student reactions to psychogeny. (CFR)

Describes a lesson in which instruction is initiated through the right cerebral hemisphere by using visualizations as concrete aids to learning. Explanations include a hand model which is used to illustrate the dynamics of guard cell activity of stomates and a paper folding model to show increase in surface area. (RT)