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  • Poză de profil pentru Zamfir Carmen

    Zamfir Carmen a postat o actualizare în grupul Logo grup al Teste psihologiceTeste psihologice Acum 12 ani, 10 luni

    Can you put the fish in the fishbowl?

    Stare at the yel­low stripe in the mid­dle of the fish in the pic­ture below for about 10–20 sec. Then move your gaze to the fish bowl.

    • Poză de profil pentru Zamfir Carmen
      Zamfir Carmen a răspuns Acum 12 ani, 10 luni

      Did you see a fish of a dif­fer­ent color in the bowl? You have just expe­ri­enced an after­im­age.
      In the retina of your eyes, there are three types of color recep­tors (cones) that are most sen­si­tive to either red, blue or green. When you stare at a par­tic­u­lar color for too long, these recep­tors get “fatigued.” When you then look at a dif­fer­ent back­ground, the recep­tors that are tired do not work as well. There­fore, the infor­ma­tion from all of the dif­fer­ent color recep­tors is not in bal­ance. This will cre­ate the color “afterimages.”