Anyways impasse occurs when you become delusional of your capabilities. What are you are out to achieve and what you are actually achieving; then the brain thinks comeon i am more capable of than where i stand today.... then you may find yourself you treaded on wrong path somewhere back in life and you ended up where you are. It all percieves you are loosing a hold of yourself. I was researching on hallucinations sometime back there too people ended up confusing why they different kind of people from their normal self. It actually starts when you are faced with a two pronged problem normally. I dunno what aspect you were referring to;