title: Stimulus orientation and the apparent developmental lag between perception and performance.
mesh_terms: D002657:Child Development; D002675:Child, Preschool; D004193:Discrimination Learning; D005260:Female; D005556:Form Perception; D006801:Humans; D008297:Male; D009048:Motor Skills; D009949:Orientation; D011214:Practice, Psychological; D013647:Task Performance and Analysis