Mia is taught to go to sleep when the light is turned off. however, for many months mia no longer falls asleep when the light is turned off. later, mia begins to fall asleep when the light is turned off again. this is an example of

Spontaneous recovery

Explanation:

Mia is taught to go to sleep when the light is turned off. However, for many months Mia no longer falls asleep when the light is turned off. Later, Mia begins to fall asleep when the light is turned off again. This is an example of spontaneous recovery.

Spontaneous recovery refers to a phenomenon in which a person exhibits a behavior that was thought to have disappeared, that is, a specific behavior reappears after a 'rest' period.

The study of spontaneous recovery has been extremely significant in the field of psychology because it has shown that some behaviors do not disappear  but, instead, it is only not displayed. This has demonstrated the important difference between extinction and unlearning.

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