Answer:
long-term potentiation.
Step-by-step explanation:
The process in which we can strengthen the nerve impulses or synapses of animals is called potentiation. This is a term that is commonly used in neuroscience, although it is also used in Psychology which has the same explaination as that of neuroscience definition. Potentiation can be be done on a long term, that is the process of strengthening the nerve impulses continually and potentiation can also be done on short term, that is the process in which the strengthening is not constant or continuos.
One of the disadvantages of the long term potentiation is the one in the question in which rats get lost in a maze, that is rats difficulties to remember.