What is déjà vu ?

You might have felt it -- the feeling that you've experienced something before, but, in reality, the experience is brand new. There are over 40 theories that attempt to explain the phenomenon of déjà vu. Michael Molina explains how neuroimaging and cognitive psychology have narrowed down the theories that could explain that feeling you're having...again.

1.What are the physical manifestations of déjà vu?
2.What does déjà vu mean?
3.How many theories of déjà vu are there?
4.Which theory asserts that déjà vu occurs when there is a delay in information to your brian?
5.The theory of divided attention asserts that our brain subliminally takes in an environment while we’re ______.
6.Why haven’t scientists been able to definitively explain the phenomenon of déjà vu?
7.How can a fragment of memory summon up a moment from the past?
8.How is the Dual Processing theory different than the Divided Attention theory?