De ja vecu is a phenomenon that occurs in our mind when we try to remember something already known or known before. This can happen, for example, when watching an old movie or reading a book that we have already read before. This phenomenon is associated with our brain and its ability to remember information.
When recalling old knowledge, our brain processes the information in the same way as if we had just seen or heard about it for the first time. But in reality, we already know this information because it was stored in our memory early.
De ja vecue helps to understand