1. Deja vu
Deja vu is an experience of having seen or experienced a new situation previously. It feels like if the event has already happened before. The experience is usually accompanied by a strong sense of familiarity and a sense of paradox or bizarre. The “previous” experience is usually attributed to a dream, but sometimes there is a constant feeling that it really has happened in the past.
2. Deja Vecu
Deja vecu is what most people experience when they think they are having a deja vu. Deja vu is when one has a feeling that he has seen something before, whereas deja vecu is an experience of having seen an event before, but with great detail as to recognize the smells and sounds. This also is usually accompanied by a very strong sense of knowledge about what will happen next.
3. Deja senti
Deja senti is a phenomenon of having already felt something. The phrase “I have felt it before” perfectly captures deja senti. It is only a mental phenomenon and seldom remains in our memory later. Many epileptic patients often experience deja senti.