Once I lay with a high temperature accurately after passing the scheme, hallucinated. And expressed in the nonsense such a thought - said, with the increase of body temperature conductivity of nerve fibers increases, and the signal goes not only to the desired sector of memory, but also spreads to several adjacent nerves, exciting other areas of the brain and raising the wrong information that was requested. This is why there are so many inadequate analogues and "genial" ideas.