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Blenkhorn, P. – Journal of Visual Impairment and Blindness, 1994
This article proposes some techniques for enhancing large-character computer access systems to enable users with partial vision to operate them more easily and efficiently. These techniques involve mapping several areas of an application's screen into large characters and adapting this mapping in a context-specific way. (Author)
Descriptors: Accessibility (for Disabled), Computer Software, Computer Terminals, Display Systems
Walker, Jearl – Scientific American, 1988
Describes subjective-contour illusions and gives explanations for perception of shape and brightness in these figures. Supports cognitive mechanisms rather than psychological mechanisms. Gives examples of subjective-contour illusions and summarizes explanations of other psychologists with regard to this topic. (CW)
Descriptors: Cognitive Processes, Deception, Perception, Psychology
Livingstone, Margaret S. – Scientific American, 1988
Describes the three part system of human vision. Explores the anatomical arrangement of the vision system from the eyes to the brain. Traces the path of various visual signals to their interpretations by the brain. Discusses human visual perception and its implications in art and design. (CW)
Descriptors: Anatomy, Art, Color, Eyes

Johnson, Donald D. – Visual Arts Research, 1995
Describes a corrective method of color adaptation designed to allow most, if not all, individuals to participate in the learning process as well as social and work-related environments. Provides a concise summation of facts and theories concerning color deficiency. Includes anatomical drawings, graphs, and statistical data. (MJP)
Descriptors: Adaptive Behavior (of Disabled), Art Education, Color, Disabilities