If they are unconscious then people do not know or realise them and therefore can not talk about them. Also they are usually unconscious for a good reason and you have no rite to ferret them out.
An emotion, desire, physiological need, or similar impulse that acts as an incitement to action. (mō'tĭv, mō-tēv') A motif in art, literature, or music.adj. Causing or able to cause motion:...