Tilted lines as complex stimuli.
Severely retarded boys were taught to respond differentially to lines tilted at 45 degrees and 135 degrees . While all subjects could perform the discrimination, the aspect of the stimulus that controlled responding was shown to differ among subjects.
D000293:Adolescent; D002648:Child; D004193:Discrimination Learning; D005556:Form Perception; D005795:Generalization, Stimulus; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D014796:Visual Perception