How to pronounce “direct current” in English

the nervous system non-invasively that is to say from outside the skull is really really crude so there are techniques there's one called transcranial magnetic stimulation there'sanother one called transcranial direct current stimulation these stimulate large volumes of brain tissue like the volume of a golf ball and within they stimulate every kind of neuronin that volume so they're really crude ways to activate or inhibit very large parts of the brain