title: Learning to use the ultrasonic spatial sensor by the blind infant: comments on Aitken and Bower.
mesh_terms: D001307:Auditory Perception; D001766:Blindness / Q000534:rehabilitation*; D006801:Humans; D007223:Infant; D009949:Orientation; D012682:Sensory Aids; D013028:Space Perception; D014465:Ultrasonics / Q000295:instrumentation*