title: Effect of spatial separation of stimuli on children's discrimination learning.
mesh_terms: D001288:Attention; D002648:Child; D002675:Child, Preschool; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D008297:Male; D011939:Mental Recall; D009949:Orientation; D010364:Pattern Recognition, Visual; D013028:Space Perception