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Kogo, Naoki; Strecha, Christoph; Van Gool, Luc; Wagemans, Johan – Psychological Review, 2010
Human visual perception is a fundamentally relational process: Lightness perception depends on luminance ratios, and depth perception depends on occlusion (difference of depth) cues. Neurons in low-level visual cortex are sensitive to the difference (but not the value itself) of signals, and these differences have to be used to reconstruct the…
Descriptors: Cues, Depth Perception, Mathematical Models, Visual Perception
Coury, Janine P.; Nessa, Donald B. – 1973
This study was conducted in order to develop and evaluate a systematic screening method which could be used by counselors and school psychologists in the identification of first graders showing characteristics generally associated with learning disabilities. The study was conducted within three Title I schools in a large sourthern metropolitan…
Descriptors: Ability Identification, Auditory Perception, Auditory Tests, Cultural Differences