title: The myth of perceptual defect: sources and evidence.
mesh_terms: D044383:Black People; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008297:Male; D010468:Perceptual Disorders / Q000175:diagnosis / Q000453:epidemiology*; D011594:Psychometrics; D014796:Visual Perception