A gem from the past: Pleikart Stumpf's (1911) anticipation of the aperture problem, Reichardt detectors, and perceived motion loss at equiluminance.
Stumpf
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D005366:Figural Aftereffect / Q000502:physiology*; D049673:History, 20th Century; D006801:Humans; D009039:Motion Perception / Q000502:physiology*; D011601:Psychophysics / Q000266:history; D012160:Retina / Q000502:physiology*; D014177:Translations; D014796:Visual Perception / Q000502:physiology