As part of an animal show at a theme park, Paulie the porpoi…
As part of an animal show at a theme park, Paulie the porpoise is taught to jump through a hoop when his trainer blows a whistle. When the show closes for the winter, Paulie loses this trained response. One day, however, someone blows a whistle in the crowd outside of Paulie’s tank, and he jumps out of the water looking for a hoop. This re-emergence of an extinguished response is called