disorientation confusion (usually transient) about where you are and how to proceed; uncertainty as to direction; "his disorientation was the result of inattention"
distraction the act of distracting; drawing someone's attention away from something; "conjurers are experts at misdirection"
daze,
haze,
fog confusion characterized by lack of clarity
half-cock confusion resulting from lack of preparation
jamais vu the experience of being unfamiliar with a person or situation that is actually very familiar; associated with certain types of epilepsy