Explains the hierarchic structure of the mammalian visual system. Proposes a model in which feedback pathways serve to modify sensory stimuli in ways that enhance and complete sensory input patterns. Investigates the functioning of the system through computer simulations. (ML)

Discusses field-dependent and field-independent perception, their link to learning characteristics, Herman A. Witkin's work on individual perception, and how this is instrumental in determining teaching style. A chart displays characteristics of field-dependent and field-independent students and teachers, motivation tips, and what teachers in each…