Discrimination characteristics of the turtle's retinal ganglion cells.
D000221:Adaptation, Ocular; D000818:Animals; D004192:Discrimination, Psychological; D008027:Light; D009474:Neurons / Q000502:physiology / Q000528:radiation effects*; D011830:Radiation Effects; D012160:Retina / Q000502:physiology / Q000528:radiation effects*; D014426:Turtles / Q000502:physiology*