Through a continuing dialogue between the cortex and hippocampus, it is then repeatedly reactivated, driving its gradual redistribution to long-term storage in the cortex.
In 50 years or maybe longer, when the volcano reactivates again, we will know from this current experience that it may take several years before the eruption actually shows up.
Apple's latest iOS comes with Activation Lock, which lets iPhone users disable a lost device and then, if it's recovered, reactivate it via its original username and password.
The last light a plant sees at night is in the far red of the spectrum, and this longer wavelength light inactivates a light-sensing molecule inside the plant, that isn't reactivated until the next morning.
If and when a person's immune system becomes compromised like with AIDS or with aging, the Ghon focus can become reactivated and the infection can spread to either one or both upper lobes of the lungs.
In hindsight it took a long time for the volcano to reactivate but in the end there was a week of late stage warning that an eruption was going to come.