title: Dimensional dominance in discrimination learning: a study of severely subnormal and normal subjects.
mesh_terms: D000293:Adolescent; D001076:Aptitude; D003118:Color Perception; D003210:Concept Formation; D004193:Discrimination Learning; D004314:Down Syndrome; D005556:Form Perception; D006801:Humans; D007360:Intelligence; D012193:Reversal Learning; D014163:Transfer, Psychology; D014706:Verbal Learning