Four-year-old boys and girls initially named and matched by form more often than by color. Also, agreements involving form names and matches occurred more often than agreements involving color names and matches. (Authors)

This study relates excitatory and inhibitory personality variables of a heterogeneous group of severely retarded children to performance on a discrete trial, successive go-no-go intradimensional discrimination learning problem, which was followed by stimulus generalization tests on a color hue continuum and extinction trials. (GO)

In a permanently changing environment, it is by no means an easy task to distinguish potentially important events from negligible ones. Yet, to survive, every animal has to continuously face that challenge. How does the brain accomplish this feat? Building on previous work in "Drosophila melanogaster" visual learning, we have developed an…

The 24 papers listed report the findings of a study funded by the Office of Naval Research. The study concentrated on the sensory and cognitive factors in man-machine interfaces. The papers are categorized into three groups: perception studies, human engineering studies, and methodological papers. A brief summary of the most noteworthy findings in…