The emphasis is on the first part of the name. Given that a lot of people either pronounce or spell it wrong I'm used to all variations!
Invariably you have to use your intuition when you come up against something new and the more we do that the better we must get.
Back on topic, many 'experts' say the capacity of the human brain is infinite, how then can they say we use only a specific percentage of our capaicity? Surely a better measurement is how much we use it not how much of it we don't use.