For several months after having an upset stomach on a bumpy airplane ride, jacqueline experienced a feeling of nausea at the sight of an airplane. however, a year later, she could fly again without distress. jacqueline's ability to fly again comfortably suggests that her conditioning had undergone:

Extinction

Explanation:

Extinction, in psychology, actually refers to the gradual weakening of a conditioned response that results in the decrease or disappearance of behavior completely, which is the case here. In other words, it is how the conditioned behavior eventually stops.

answer; i believe the correct answer is enlightenment;