Answer: Spontaneous recovery.
Explanation: Spontaneous recovery is stern used in Psychology to describe the sudden reappearance of a conditioned response after of it has been extinguished after a certain period of time.
ACCORDING TO PAVLOV A CLASSICAL PSYCHOLIGIST, THE SUDDEN REAPPEARANCE OF AN EXTINGUISHED CONDITIONED RESPONSE OCCURS AFTER A PERIOD OF NOT BEING EXPOSED TO THE CONDITIONED STIMULUS.
Zimmerman telegram and the sinking of the Lusitania <span />
The intensity of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time. Hope this helps :D
People with an agreeable personality who become blind usually recover near-normal levels of day-to-day happiness, those who become paralyzed usually recover near-normal the same way, they all need to go throught different stages in order to get happiness back in their lifes, anger, depression, negociation and acceptance are the phases to finally understand and learn how to live with the new condition.