Answer:
The correct answer is - habituation; dishabituation.
Explanation:
Habituation is one of the forms of non- associative learning or behavioral response. In habituation a for a particular stimulus, innate response is a loss for a period of time or prolonged exposure or repeated presentation of the stimulus. In this case, the baby chase is habituated to the bright red rattle.
Dishabituation is the restored or regained response to a particular stimulus that was habituated, the response is enhanced towards the stimulus. In the second case, the baby case response is restored.
Thus, the correct answer is - habituation; dishabituation.