There is a subforum in the training section on Natural Horsemanship. You may want to post your question there, as you may find more members sympathetic to the right brain/ left brain concept.-
Here in gen pop there tends to be some of us who find the whole 'horsonalities' thing to be a bunch of malarky, albeit somewhat amusing, and vaguely alarming. -
But, to each his own. -
Welcome to the forum!