[ON THE CONDITIONED REFLEX NATURE OF VISUAL IMPRESSIONS WITH SPECIAL REFERENCE TO VISUAL ACUITY].
D003214:Conditioning, Classical; D006801:Humans; D012018:Reflex; D012029:Refraction, Ocular; D014785:Vision, Ocular; D014792:Visual Acuity; D014796:Visual Perception
REFLEX, CONDITIONED; REFRACTION, OCULAR; VISUAL PERCEPTION