Well by measuring oxytocin we found that the more money the second person received, the more their brain produced oxytocin, and the more oxytocin on board, the more money they returned.
Pa, mjereći oksitocin, pronašli smo da što više novaca druga osoba primi, mozak proizvede više oksitocina, a s više prisutnog oksitocina, vraćaju više novaca.