Even stress and abuse can cause one to cultivate certain psychokinetic abilities. I am referring here to the actual ability, not certain mental illness that can mimic telepathy and such. I'm not a medical doctor. If you think you are having any problems with anything of that nature, please see your doctor. The brain is the hardware that is utilized by the Mind.
Neurons do communicate with each other.
There is all sorts of low level subatomic and atomic dialogue going on all the time. Even at a cellular level there is communication going on. I remember years ago, I saw a documentary on, Cellular Communication. In essence, what was done is a the scientist scraped some cells from the inside of several participants mouths and placed them in a petre dish. They connected those cells to a lie-detector type looking device.