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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
Scientific American, Inc., New York, NY. – 1986
Understanding vision is not a simple task. Nevertheless, a great deal is known about vision, more than about any of our other senses. The articles collected in this volume were chosen and organized with the intention of providing a survey of a number of different areas of vision research. Three major sections focus on the general categories of…
Descriptors: Anatomy, Animals, Entomology, Eyes
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
Download full textMcClelland, James L.; Rumelhart, David E. – 1980
This report is the first in a two-part series introducing an interactive activation model of context effects in perception. A model for the perception of letters in words and other contexts is described and applied to a number of experiments. It is proposed that the model accounts for (1) the perceptual advantage for letters in words compared to…
Descriptors: Cognitive Processes, Context Clues, Feedback, Pattern Recognition
PDF pending restorationRumelhart, David E.; McClelland, James L. – 1980
This report is the second in a two-part series introducing an interactive activation model of context effects in perception. In the first part, a model for the perception of letters in words and other contexts was described and applied to a number of experiments. This second part applies the same model to a number of new experiments designed to…
Descriptors: Cognitive Processes, Context Clues, Feedback, Pattern Recognition
Peer reviewedShort, Elizabeth J. And Others – Reading Horizons, 1986
Reports on a program for the improvement of reading skills of children whose scores were below the 50th percentile on the reading subtest of the Stanford Achievement Test. Concludes that, in general, the program helped poor readers improve their reading skills. (SRT)
Descriptors: Decoding (Reading), Elementary Education, Oral Reading, Program Content
Arizona Univ., Tucson. Center for Educational Evaluation and Measurement. – 1984
The Head Start Measures Project was a 3-year study to develop a set of measures designed specifically for Head Start children. The measures are based on a path-referenced approach to assessment, in which children's performance is described in terms of their position along paths of development. A path is defined as a sequence of skills within a…
Descriptors: Achievement Tests, Early Childhood Education, General Science, Language Acquisition
