Creative rhythmic movement permits children to conceptualize space, time, and force in relation to their own bodies. (DB)

Reprints from: Thomas J. Cottle, Department of Social Relations, Harvard University, Cambridge, Massachusetts 02138.

Based on a PhD dissertation (Syracuse University).

Using a combination of letter-detection and proofreading techniques, subjects searching for target letters in printed text made more errors on correctly spelled words than misspelled words. This word inferiority effect contrasts with the superior perception of letters in words over nonwords commonly found in tachistoscopic studies. (Author/CM)

Examines, in 30 normal infants from three age groups, differences in exploratory and sucking responses to artificial nipples varying in material and shape. Results suggest the existence of a developmental trend influenced by the type of nipple. Findings support the view that the mouth has a perceptual as well as a nutritive function. (Author/RH)

Employed the signal-detection paradigm as a model for investigating age-related biological versus cognitive effects on perceptual behavior. Old and young subjects reported the presence or absence of sugar in threshold level solutions and tap water. Older subjects displayed a higher detection threshold and obtained a stricter criterion of decision.…

Compares the effects of interpersonal distance, number of people, acquaintance level, and sex on perceived crowding and discomfort in two cultures. Data obtained from 90 eighth and ninth graders indicate that distance is more important a variable than number and that males are more sensitive to crowding than are females. (Author/RH)

Four stages in the development of tactual perception are described (awareness of tactual quality, shape conception and recognition, graphic representation, and symbology systems). Educational applications for blind infants and children are given for each stage. (CL)

Art teachers should be familiar with psychologist's research on human vision and perception. Research by Julian Hochberg, James Gibson, and Gestaltists is summarized. (SR)