In schools, learning spatial geometry is usually dependent upon a student's ability to visualize three dimensional geometric configurations from two dimensional drawings. Such a process, however, often creates visual obstacles which are unique to spatial geometry. Useful software programs which realistically depict three dimensional geometric…

External noise methods and observer models have been widely used to characterize the intrinsic perceptual limitations of human observers and changes of the perceptual limitations associated with cognitive, developmental, and disease processes by highlighting the variance of internal representations. The authors conducted a comprehensive review of…

This study investigated the relationship between cognitive style and the use of play areas in the nursery school. The participants were 28 preschool children (13 girls and 15 boys) attending the Laboratory Nursery School at the University of California at Davis. Each child was observed for 12 one-hour sessions over a 10-week period. A time…