title: Induced arousal and word-recognition learning by mongoloids and normals.
mesh_terms: D000161:Acoustic Stimulation; D000328:Adult; D001143:Arousal; D001288:Attention; D002657:Child Development; D002675:Child, Preschool; D004314:Down Syndrome; D005556:Form Perception; D006801:Humans; D008568:Memory; D009622:Noise; D014706:Verbal Learning