This study investigated whether object-picture discrepancy occurs because preschool children regard pictures as significates rather than as signifiers. Results indicated the children did not consistently respond to objects and their pictorial representations equivalently. (Author/DB)

Object substitution masking (OSM) is said to occur when a perceptual object is hypothesized that is mismatched by subsequent sensory evidence, leading to a new hypothesized object being substituted for the first. For example, when a brief target is accompanied by a longer lasting display of nonoverlapping mask elements, reporting of target…

Reviews the research literature on the abilities of infants to categorize visual information on dot patterns; schematic faces; hue; and orientation. (HOD)

A detailed program for the development of pre-reading visual perceptual skills in young children is presented which provides benefits to both teacher and child due to its scope and flexibility. The program is primarily visual-motor, providing at the same time experiences in language and concept development. The prescribed sequence of lessons…

This is volume 3 of the series of translations of books from the Soviet literature on research in the psychology of mathematics instruction and on teaching methods influenced by the research. This volume presents a detailed and careful technical analysis of the constituent aspects underlying spatial thinking as well as interesting reports of…