title: Acquisition and decision in visual same-different search of letter displays.
mesh_terms: D000293:Adolescent; D000328:Adult; D003657:Decision Making; D003662:Decision Theory; D005260:Female; D005556:Form Perception; D006801:Humans; D007858:Learning; D008297:Male; D010364:Pattern Recognition, Visual; D011214:Practice, Psychological; D011930:Reaction Time