On the possible existance of edge detector neurones in the human visual system.
D000221:Adaptation, Ocular; D005133:Eye Movements; D005556:Form Perception; D006801:Humans; D007088:Illusions; D009433:Neural Inhibition; D009474:Neurons; D012160:Retina / Q000502:physiology; D014793:Visual Cortex / Q000033:anatomy & histology*