Two experiments tested the effects of crawling-onset age, amount of crawling experience, and testing age on avoidance of the deep side of a visual cliff apparatus by human infants. Crawling-onset age disciminated between infants because crawling during the tactile phase interferes with later visual control of locomotion. (Author/RD)

An evaluation of research in the area of perceptual training suggests procedures for teachers to follow until more definitive information is obtained. First, educators should build their programs on broadly-based but accurate classifications of perceptual skills. They should also be aware of the theoretical assumptions which influence perceptual…

Seven children with basic perceptual motor problems (learning disorders) in varying severity were selected for a 6-week intensive program. All were from 6 to 8 years old and had mental ages 2 years below their chronological age. Structured and integrated areas of instruction were speech and language, perceptual-motor, gross motor, and aquatics.…