What have scientists learned about glia cells through recent research?

The recent research showed that glial cells have more activity and are essential than previously thought. First, they help in neuronal communication; they help to potentiate the communication between the neurons, also, it potentiates the cerebral functions like being the thought and the emotions, and finally, these cells migrate to regions of the brain where pathologies are found and proliferate, interacting with the immunological system.

the answer the third choice the letter c