With respect to Holy Communion it is up to the communicant to decide whether they are in a state of grace and worthy to receive the Eucharist. Each one of us makes that decision.
They become the keepers of the mystery. They place themselves between the communicants of the religion and the immediate experience. And then they dictate the terms on which you can have contact with this wonderful mystery. We don't dictate those terms.
If the presence of electricity can be made visible in any part of the circuit I see no reason why intelligence may not be transmitted instantaneously by electricity.