title: A test between the selective attention and stimulus generalization interpretations of the easy-to-hard effect.
mesh_terms: D000818:Animals; D001288:Attention; D004193:Discrimination Learning; D005795:Generalization, Stimulus; D008027:Light; D008297:Male; D009949:Orientation; D051381:Rats; D012193:Reversal Learning; D014796:Visual Perception