There may be a fascination with or curiosity about a subject. Sometimes there is an impulse to do something say, to look up a particular fact in a reference book. At other times there is a wondering maybe about the relationship between this element and that. Occasionally there is a physical feeling that a certain thing is needed. Once I had the distinct bodily sensation no verbal thought was involved that internal research would proceed more easily if I exercised more and ate more fresh produce.
Some information presents itself as a visual image .
I always test an idea's validity. Some ideas turn out to be unusable. Others are wrong in and of themselves, but prove to be a conceptual bridge to the right idea. So, despite their incorrectness, they are a part of the solution. As a general principle, one should always subject unconscious materials to rational evaluation.