: reappearance of an extinguished conditioned response without positive reinforcement
Example Sentences
Recent Examples on the WebSales of headache medicines—and spontaneous recovery rates—also spike when barometric pressure drops, the researchers say. Caroline Delbert, Popular Mechanics, 6 Apr. 2021 In both studies, the patients needed the stimulator to be on to walk, helping to rule out the idea that this was spontaneous recovery. Carolyn Y. Johnson, The Seattle Times, 24 Sep. 2018
Word History
First Known Use
1943, in the meaning defined above
Medical Definition
spontaneous recovery
noun
: reappearance of an extinguished conditioned response without positive reinforcement