Déjà vu, pronounced familiar but you also know that this feeling of familiarity should not be as strong as it is.For example, you might be walking to school when you suddenly feel like you have been in exactly this situation before.They are unusual but cool experiences that can actually tell us a lot about how our minds, particularly our memories, work.Figure 1 - What is and what is not a déjà vu experience? We all go through our lives seeing and experiencing things that we may remember later on.Of course, you been in the situation before – you have walked to school many times – but the feeling is so strong and so connected to right now, that you know it should not feel as overwhelming as it does (see Figure 1 for more explanation of what déjà vu is).Déjà vu experiences are often described in movies and books, because they can make people feel like they have somehow seen into the future.By the time you reach an age between 15 and 25, you will probably be having déjà vu experiences more often than you will ever have them after that.The number of déjà vu experiences people report steadily decreases after 25 years old.
In this article, we review recent research on déjà vu including what it is, how common it is, and why scientists think it happens.
You will then read about how researchers have investigated déjà vu and what they think might cause it.
The percentage of people who experience déjà vu is probably somewhere between 30% (about 8 in a class of 30) and 100% (everyone in a class of 30) .
You know that although you have seen horses before they should not make you feel as strongly familiar with them as these horses do.
Then, the feeling fades away and you wonder what just happened. In this review, you will read about how often we experience déjà vu.