Now this is the neurological goldmine, if you like, because a known reward excites people, but what really gets them going is the uncertain reward, the reward pitched at the right level of uncertainty, that they didn't quite know whether they were going to get it or not. The 25 percent. This lights the brain up.
Esta es una mina de oro neurológica, si se quiere, porque una recompensa conocida apasiona a las personas pero lo que realmente los motiva es la recompensa incierta, la recompensa con el grado justo de incertidumbre, que no saben muy bien si la van a conseguir o no. El 25%, eso ilumina el cerebro.