This type of shifting should not be confused with the PS. This is a term to be used for the type of shift that occurs when only the appearance shifts. This usually takes place when there is little available light, a sort of mass hallucination if you will, but whatever the case, the object being focused upon, appears to be something else. Unlike the PS, this type of shifting is "looks only," you wouldn't gain any extra senses, or characteristics from this... it is, in fact, very similar to just putting on a fursuit (but without the suit).