Home›Articles›Reading vision from a horseshoe crab eyeArticleReading vision from a horseshoe crab eyeArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnHaldan Keffer Hartline, Healers Well-attested SourcesHaldan Keffer Hartline (Wikipedia)Scientific careerQuote, Scientific careerHe found that the photoreceptor cells in the eye are interconnected in such a way that when one is stimulated, others nearby are depressed, thus enhancing the contrast in light patterns and sharpening the perception of shapes.View the SourceMedicine Atlas Original Articlestier 1Comments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.