Déjŕ vu has been a long run mystery due to the sudden vanish phenomenon that is caused by false calls memories of brain. However, Akira O' Connor and his research team revealed a new method to trigger déjŕ vu in the lab despite of the disagreement on the first speculation.
Hippocampus which is a part of brain related to memories was the first suspected to be active during the phenomenon, but it was not. In fact, the frontal sections was the main actor regarding probability of transmitting signal, while a conflict between truth reality and reality that we supposed to be true or called memory error was occur.
O' Connor said that those people who have a healthy head and good at memorizing occasions seemed to experience no déjŕ vu at all, because if there is no trigger to conflict memory system, there will be no déjŕ vu, but he cannot explain it by data yet. This phenomenon is more common in teenagers besides the reduced working of memory checking system through ageing.
So this is my fifth essay summary based on New Scientist's Article (newscientist.com/article/2101089-mystery-of-deja-vu-explained-its-how-we-check-our-memories/)
I was trying to improve my ability in complex sentence. So do not hesitate to criticize, thanks!