title: Visual search, stimulus density, and subnormal intelligence.
mesh_terms: D000293:Adolescent; D001288:Attention; D002648:Child; D003201:Computers; D003463:Cues; D004193:Discrimination Learning; D005556:Form Perception; D006801:Humans; D008607:Intellectual Disability; D007360:Intelligence; D008027:Light; D011214:Practice, Psychological; D011594:Psychometrics; D011930:Reaction Time; D013647:Task Performance and Analysis; D014796:Visual Perception