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Direct linkBillock, Vincent A.; Tsou, Brian H. – Psychological Bulletin, 2012
An extraordinary variety of experimental (e.g., flicker, magnetic fields) and clinical (epilepsy, migraine) conditions give rise to a surprisingly common set of elementary hallucinations, including spots, geometric patterns, and jagged lines, some of which also have color, depth, motion, and texture. Many of these simple hallucinations fall into a…
Descriptors: Intelligence, Geometric Concepts, Biological Influences, Spatial Ability
Peer reviewedKaess, Dale W. – Developmental Psychology, 1971
Descriptors: Developmental Tasks, Elementary School Students, Geometric Concepts, Pattern Recognition
