If rat is given mild electric shock when it goes to certain part of its cage, it eventually avoids going there. This is because of- (AS 1)
(a) Imitation
(b) Conditioning
(c) Instinct
(d) Imprinting

In brain research and ethology, imprinting is any sort of stage delicate getting the hang of (picking up happening at a specific age or a specific life organize) that is quick and evidently free of the results of conduct.

So, the correct option is 'Imprinting'.