title: Spatial summation in the fovea: asymmetrical effects of longer and shorter dimensions.
mesh_terms: D004192:Discrimination, Psychological; D005260:Female; D005584:Fovea Centralis / Q000502:physiology*; D006801:Humans; D008266:Macula Lutea / Q000502:physiology*; D008297:Male; D012399:Rotation; D012858:Size Perception; D013028:Space Perception / Q000502:physiology*; D014785:Vision, Ocular