When1: 1959
Who: Oliver Selfridge [Selfridge, Oliver]
What: psychologist
Where: USA
Detail: He invented letter-recognition models {Pandemonium model}. Lowest level recognized letter features, such as straight and curved line segments at different orientations. Middle level suggested letters based on feature combinations. Highest level chose letter based on weights from middle-level letters.
Social Sciences>Psychology>History>Perception
6-Psychology-History-Perception
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Date Modified: 2022.0224