title: A verification of Weber's law for visual discrimination of disc sizes in the Bering Sea spotted seal, Phoca largha.
mesh_terms: D000818:Animals; D010872:Caniformia / Q000502:physiology*; D004192:Discrimination, Psychological; D005260:Female; D008297:Male; D010783:Photometry; D012054:Reinforcement, Psychology; D046048:Seals, Earless / Q000502:physiology*; D012858:Size Perception / Q000502:physiology*; D014792:Visual Acuity