It's the same as the old devil v angel on your shoulder bit. There's a left hemisphere mode of understanding, a right hemisphere mode of understanding, and there's what happens when they're well integrated, which is mostly only achievable through meditation.

Just for the record, the left brain is the denialist, which offers hypotheticals and which takes the behaviour of others and places it firmly outside yourself, edifying the lie you tell yourself that you are separate and different from the other largely identical monkeys. The right brain tends to communicate in gestalts and complete pictures, without negativity and possibly without reference to individuality; YMMV.