Describes an experiment in which the rate of habituation of fixation of 12-week-old infants to a homogeneous stimulus series where a cube was presented in different orientations was contrasted with the rates of habituation to various heterogeneous series where a cube was alternated with some other solid. (Author/JMB)

Children of ages two and one-half, three, and three and one-half years were tested for their understanding of object hiding. Results indicated that children of this age can be both nonegocentric and skillful at estimating what other people do and do not see under various viewing conditions. (JMB)

The visual and motor responses to novel and familiar stimuli were measured in twelve 6-month-old infants, using new measures of integration and concordance. Results indicate that the infants' responses to the stimuli were both integrated and concordant. (Author/JMB)

The reactions of 112 10-month-old male infants to the property of curvature were examined using a habituation paradigm with lever pressing as an instrumental response. (SB)

First, third, and fifth graders made judgments of the geographical slant of surfaces depicted in photographs while optical slant and postural orientation were manipulated. The results indicated the existence of a linear mechanism which compensates for the effect of postural inclination. (JMB)

Results showed that 2- and 3-dimensional forms affected 4- and 8-week-old infant visual behavior differently. (Author/JMB)

Two studies: (1) assessed the infant's ability to perceive differences between two-dimensional and three-dimensional stimuli; and (2) tested the infants' ability to transfer responses across dimensions. (Author/SB)

Examined length of fixation time responses of neonates to pairs of red, blue, and green acetate stimuli. (Author)

Forty-eight neonates were randomly assigned to view a moving stimulus either in the horizontal or the upright position, with or without added vestibular stimulation and with or without pacifier sucking. Results indicate that vestibular proprioceptive stimulation, provided horizontally or semi-vertically, significantly enhanced visual tracking.…

Videotapes were made of the prehensile activity and looking behavior of 2- and 5-month-old infants in the presence of objects placed within and beyond possible contact distance. (BRT)

Groups of eight- and ten-year-olds and adults visually searched for the presence of a target letter or number in fields of items that were either of the same or a different category (letter or number) than the target. (JMB)