Cognition, not to be confused with perception, reception, or stimulus detection, is defined as relationships of sensory experiences in single-loop matrices. The reticular system of the upper brain stem is centered upon as the likely locus of sensory filtering and modification that can modulate language usage. That is, higher cognitive functions…

Four-year-olds attending traditional and Montessori preschools were compared on two memory tasks and on three social cognitive reasoning tasks. Although the Montessori students performed better on the recognition task, there were no other significant differences between the groups. Conclusions about the Montessori curriculum were made. (GDC)