title: Numerosity discrimination of repetitive visual stimuli by mildly retarded adolescents and normal children.
mesh_terms: D000293:Adolescent; D001077:Aptitude Tests; D002648:Child; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D013997:Time Factors; D014785:Vision, Ocular; D014796:Visual Perception