Research of interest

Vellutino, Frank R.; Pruzek, Robert M.; Steger, Joseph A.; Meshoulam, Uriel; Fromkin, Victoria A.; Fagan III, Joseph F.; Dodrill, Carl; MacFarlane, David; Boyd, Robert
November 1974
Journal of Learning Disabilities;Nov1974, Vol. 7 Issue 9, p555
Academic Journal
The article focuses on issues related to intellectual disabilities of children. Disorders in perception, characterized by visual-spatial disorientation in letter and word learning, have often been seen as the dominant factor in reading disability. Reading disability is best viewed as a cognitive rather than a perceptual disorder. Little has been known about the infant's ability to discriminate among hues of color. One difficulty has been the lack of sensitive measures of infant discriminative ability. A second has been the problem of providing adequate controls for variations in brightness which may accompany differences in hue. The most widely used measure of infant visual discrimination is the visual preference test in which it is assumed that if the infant consistently gazes at certain stimuli more often than at others he must be able to perceive and differentiate among them. This relation between hue and brightness is accounted for in the Munsell system by equating different hues for brightness on the basis of adult judgments.


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